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Craters of the Moon National Monument and Preserve is a U.S. national monument and national preserve in the Snake River Plain in central Idaho. It is along US 20 (concurrent with US 93 and US 26), between the small towns of Arco and Carey, at an average elevation of 5,900 feet (1,800 m) above sea level.
The Monument was established on May 2, 1924. In November 2000, a presidential proclamation by President Clinton greatly expanded the Monument area. The 410,000-acre National Park Service portions of the expanded Monument were designated as Craters of the Moon National Preserve in August 2002. It spreads across Blaine, Butte, Lincoln, Minidoka, and Power counties. The area is managed cooperatively by the National Park Service and the Bureau of Land Management (BLM).
The Monument and Preserve encompass three major lava fields and about 400 square miles (1,000 km2) of sagebrush steppe grasslands to cover a total area of 1,117 square miles (2,893 km2). The Monument alone covers 343,000 acres (139,000 ha). All three lava fields lie along the Great Rift of Idaho, with some of the best examples of open rift cracks in the world, including the deepest known on Earth at 800 feet (240 m). There are excellent examples of almost every variety of basaltic lava, as well as tree molds (cavities left by lava-incinerated trees), lava tubes (a type of cave), and many other volcanic features.
Craters of the Moon is in south-central Idaho, midway between Boise and Yellowstone National Park. The lava field reaches southeastward from the Pioneer Mountains. Combined U.S. Highway 20–26–93 cuts through the northwestern part of the monument and provides access to it. However, the rugged landscape of the monument itself remains remote and undeveloped, with only one paved road across the northern end.
The Craters of the Moon Lava Field spreads across 618 square miles (1,601 km2) and is the largest mostly Holocene-aged basaltic lava field in the contiguous United States. The Monument and Preserve contain more than 25 volcanic cones, including outstanding examples of spatter cones. The 60 distinct solidified lava flows that form the Craters of the Moon Lava Field range in age from 15,000 to just 2,000 years. The Kings Bowl and Wapi lava fields, both about 2,200 years old, are part of the National Preserve.
This lava field is the largest of several large beds of lava that erupted from the 53-mile (85 km) south-east to north-west trending Great Rift volcanic zone, a line of weakness in the Earth's crust. Together with fields from other fissures they make up the Lava Beds of Idaho, which in turn are in the much larger Snake River Plain volcanic province. The Great Rift extends across almost the entire Snake River Plain.
Elevation at the visitor center is 5,900 feet (1,800 m) above sea level.
Total average precipitation in the Craters of the Moon area is between 15–20 inches (380–510 mm) per year. Most of this is lost in cracks in the basalt, only to emerge later in springs and seeps in the walls of the Snake River Canyon. Older lava fields on the plain have been invaded by drought-resistant plants such as sagebrush, while younger fields, such as Craters of the Moon, only have a seasonal and very sparse cover of vegetation. From a distance this cover disappears almost entirely, giving an impression of utter black desolation. Repeated lava flows over the last 15,000 years have raised the land surface enough to expose it to the prevailing southwesterly winds, which help to keep the area dry. Together these conditions make life on the lava field difficult.
Paleo-Indians visited the area about 12,000 years ago but did not leave much archaeological evidence. Northern Shoshone created trails through the Craters of the Moon Lava Field during their summer migrations from the Snake River to the camas prairie, west of the lava field. Stone windbreaks at Indian Tunnel were used to protect campsites from the dry summer wind. No evidence exists for permanent habitation by any Native American group. A hunting and gathering culture, the Northern Shoshone pursued elk, bears, American bison, cougars, and bighorn sheep — all large game who no longer range the area. The most recent volcanic eruptions ended about 2,100 years ago and were likely witnessed by the Shoshone people. Ella E. Clark has recorded a Shoshone legend which speaks of a serpent on a mountain who, angered by lightning, coiled around and squeezed the mountain until liquid rock flowed, fire shot from cracks, and the mountain exploded.
In 1879, two Arco cattlemen named Arthur Ferris and J.W. Powell became the first known European-Americans to explore the lava fields. They were investigating its possible use for grazing and watering cattle but found the area to be unsuitable and left.
U.S. Army Captain and western explorer B.L.E. Bonneville visited the lava fields and other places in the West in the 19th century and wrote about his experiences in his diaries. Washington Irving later used Bonneville's diaries to write the Adventures of Captain Bonneville, saying this unnamed lava field is a place "where nothing meets the eye but a desolate and awful waste, where no grass grows nor water runs, and where nothing is to be seen but lava."
In 1901 and 1903, Israel Russell became the first geologist to study this area while surveying it for the United States Geological Survey (USGS). In 1910, Samuel Paisley continued Russell's work and later became the monument's first custodian. Others followed and in time much of the mystery surrounding this and the other Lava Beds of Idaho was lifted.
The few European settlers who visited the area in the 19th century created local legends that it looked like the surface of the Moon. Geologist Harold T. Stearns coined the name "Craters of the Moon" in 1923 while trying to convince the National Park Service to recommend protection of the area in a national monument.
The Snake River Plain is a volcanic province that was created by a series of cataclysmic caldera-forming eruptions which started about 15 million years ago. A migrating hotspot thought to now exist under Yellowstone Caldera in Yellowstone National Park has been implicated. This hot spot was under the Craters of the Moon area some 10 to 11 million years ago but 'moved' as the North American Plate migrated northwestward. Pressure from the hot spot heaves the land surface up, creating fault-block mountains. After the hot spot passes the pressure is released and the land subsides.
Leftover heat from this hot spot was later liberated by Basin and Range-associated rifting and created the many overlapping lava flows that make up the Lava Beds of Idaho. The largest rift zone is the Great Rift; it is from this 'Great Rift fissure system' that Craters of the Moon, Kings Bowl, and Wapi lava fields were created. The Great Rift is a National Natural Landmark.
In spite of their fresh appearance, the oldest flows in the Craters of the Moon Lava Field are 15,000 years old and the youngest erupted about 2000 years ago, according to Mel Kuntz and other USGS geologists. Nevertheless, the volcanic fissures at Craters of the Moon are considered to be dormant, not extinct, and are expected to erupt again in less than a thousand years. There are eight major eruptive periods recognized in the Craters of the Moon Lava Field. Each period lasted about 1000 years or less and were separated by relatively quiet periods that lasted between 500 and as long as 3000 years. Individual lava flows were up to 30 miles (50 km) long with the Blue Dragon Flow being the longest.
Kings Bowl Lava Field erupted during a single fissure eruption on the southern part of the Great Rift about 2,250 years ago. This eruption probably lasted only a few hours to a few days. The field preserves explosion pits, lava lakes, squeeze-ups, basalt mounds, and an ash blanket. The Wapi Lava Field probably formed from a fissure eruption at the same time as the Kings Bowl eruption. More prolonged activity over a period of months to a few years led to the formation of low shield volcanoes in the Wapi field. The Bear Trap lava tube, between the Craters of the Moon and the Wapi lava fields, is a cave system more than 15 miles (24 km) long. The lava tube is remarkable for its length and for the number of well-preserved lava cave features, such as lava stalactites and curbs, the latter marking high stands of the flowing lava frozen on the lava tube walls. The lava tubes and pit craters of the monument are known for their unusual preservation of winter ice and snow into the hot summer months, due to shielding from the sun and the insulating properties of basalt.
A typical eruption along the Great Rift and similar basaltic rift systems starts with a curtain of very fluid lava shooting up to 1,000 feet (300 m) high along a segment of the rift up to 1 mile (1.6 km) long. As the eruption continues, pressure and heat decrease and the chemistry of the lava becomes slightly more silica rich. The curtain of lava responds by breaking apart into separate vents. Various types of volcanoes may form at these vents: gas-rich pulverized lava creates cinder cones (such as Inferno Cone – stop 4), and pasty lava blobs form spatter cones (such as Spatter Cones – stop 5). Later stages of an eruption push lava streams out through the side or base of cinder cones, which usually ends the life of the cinder cone (North Crater, Watchmen, and Sheep Trail Butte are notable exceptions). This will sometimes breach part of the cone and carry it away as large and craggy blocks of cinder (as seen at North Crater Flow – stop 2 – and Devils Orchard – stop 3). Solid crust forms over lava streams, and lava tubes (a type of cave) are created when lava vacates its course (examples can be seen at the Cave Area – stop 7).
Geologists feared that a large earthquake that shook Borah Peak, Idaho's tallest mountain, in 1983 would restart volcanic activity at Craters of the Moon, though this proved not to be the case. Geologists predict that the area will experience its next eruption some time in the next 900 years with the most likely period in the next 100 years.
All plants and animals that live in and around Craters of the Moon are under great environmental stress due to constant dry winds and heat-absorbing black lavas that tend to quickly sap water from living things. Summer soil temperatures often exceed 150 °F (66 °C) and plant cover is generally less than 5% on cinder cones and about 15% over the entire monument. Adaptation is therefore necessary for survival in this semi-arid harsh climate.
Water is usually only found deep inside holes at the bottom of blow-out craters. Animals therefore get the moisture they need directly from their food. The black soil on and around cinder cones does not hold moisture for long, making it difficult for plants to establish themselves. Soil particles first develop from direct rock decomposition by lichens and typically collect in crevices in lava flows. Successively more complex plants then colonize the microhabitat created by the increasingly productive soil.
The shaded north slopes of cinder cones provide more protection from direct sunlight and prevailing southwesterly winds and have a more persistent snow cover (an important water source in early spring). These parts of cinder cones are therefore colonized by plants first.
Gaps between lava flows were sometimes cut off from surrounding vegetation. These literal islands of habitat are called kīpukas, a Hawaiian name used for older land surrounded by younger lava. Carey Kīpuka is one such area in the southernmost part of the monument and is used as a benchmark to measure how plant cover has changed in less pristine parts of southern Idaho.
Idaho is a landlocked state in the Mountain West subregion of the United States. It shares a small portion of the Canada–United States border to the north, with the province of British Columbia. It borders Montana and Wyoming to the east, Nevada and Utah to the south, and Washington and Oregon to the west. The state's capital and largest city is Boise. With an area of 83,570 square miles (216,400 km2), Idaho is the 14th largest state by land area. With a population of approximately 1.8 million, it ranks as the 13th least populous and the 6th least densely populated of the 50 U.S. states.
For thousands of years, and prior to European colonization, Idaho has been inhabited by native peoples. In the early 19th century, Idaho was considered part of the Oregon Country, an area of dispute between the U.S. and the British Empire. It officially became a U.S. territory with the signing of the Oregon Treaty of 1846, but a separate Idaho Territory was not organized until 1863, instead being included for periods in Oregon Territory and Washington Territory. Idaho was eventually admitted to the Union on July 3, 1890, becoming the 43rd state.
Forming part of the Pacific Northwest (and the associated Cascadia bioregion), Idaho is divided into several distinct geographic and climatic regions. The state's north, the relatively isolated Idaho Panhandle, is closely linked with Eastern Washington, with which it shares the Pacific Time Zone—the rest of the state uses the Mountain Time Zone. The state's south includes the Snake River Plain (which has most of the population and agricultural land), and the southeast incorporates part of the Great Basin. Idaho is quite mountainous and contains several stretches of the Rocky Mountains. The United States Forest Service holds about 38% of Idaho's land, the highest proportion of any state.
Industries significant for the state economy include manufacturing, agriculture, mining, forestry, and tourism. Several science and technology firms are either headquartered in Idaho or have factories there, and the state also contains the Idaho National Laboratory, which is the country's largest Department of Energy facility. Idaho's agricultural sector supplies many products, but the state is best known for its potato crop, which comprises around one-third of the nationwide yield. The official state nickname is the "Gem State."
The history of Idaho is an examination of the human history and social activity within the state of Idaho, one of the United States of America located in the Pacific Northwest area near the west coast of the United States and Canada. Other associated areas include southern Alaska, all of British Columbia, Washington, Oregon, western Montana and northern California and Nevada.
Humans may have been present in Idaho for 16,600 years. Recent findings in Cooper's Ferry along the Salmon River in western Idaho near the town of Cottonwood have unearthed stone tools and animal bone fragments in what may be the oldest evidence of humans in North America. Earlier excavations in 1959 at Wilson Butte Cave near Twin Falls revealed evidence of human activity, including arrowheads, that rank among the oldest dated artifacts in North America. Native American tribes predominant in the area in historic times included the Nez Perce and the Coeur d'Alene in the north; and the Northern and Western Shoshone and Bannock peoples in the south.
Idaho was one of the last areas in the lower 48 states of the US to be explored by people of European descent. The Lewis and Clark expedition entered present-day Idaho on August 12, 1805, at Lemhi Pass. It is believed that the first "European descent" expedition to enter southern Idaho was by a group led in 1811 and 1812 by Wilson Price Hunt, which navigated the Snake River while attempting to blaze an all-water trail westward from St. Louis, Missouri, to Astoria, Oregon. At that time, approximately 8,000 Native Americans lived in the region.
Fur trading led to the first significant incursion of Europeans in the region. Andrew Henry of the Missouri Fur Company first entered the Snake River plateau in 1810. He built Fort Henry on Henry's Fork on the upper Snake River, near modern St. Anthony, Idaho. However, this first American fur post west of the Rocky Mountains was abandoned the following spring.
The British-owned Hudson's Bay Company next entered Idaho and controlled the trade in the Snake River area by the 1820s. The North West Company's interior department of the Columbia was created in June 1816, and Donald Mackenzie was assigned as its head. Mackenzie had previously been employed by Hudson's Bay and had been a partner in the Pacific Fur Company, financed principally by John Jacob Astor. During these early years, he traveled west with a Pacific Fur Company's party and was involved in the initial exploration of the Salmon River and Clearwater River. The company proceeded down the lower Snake River and Columbia River by canoe, and were the first of the Overland Astorians to reach Fort Astoria, on January 18, 1812.
Under Mackenzie, the North West Company was a dominant force in the fur trade in the Snake River country. Out of Fort George in Astoria, Mackenzie led fur brigades up the Snake River in 1816-1817 and up the lower Snake in 1817-1818. Fort Nez Perce, established in July, 1818, became the staging point for Mackenzies' Snake brigades. The expedition of 1818-1819 explored the Blue Mountains, and traveled down the Snake River to the Bear River and approached the headwaters of the Snake. Mackenzie sought to establish a navigable route up the Snake River from Fort Nez Perce to the Boise area in 1819. While he did succeed in traveling by boat from the Columbia River through the Grand Canyon of the Snake past Hells Canyon, he concluded that water transport was generally impractical. Mackenzie held the first rendezvous in the region on the Boise River in 1819.
Despite their best efforts, early American fur companies in this region had difficulty maintaining the long-distance supply lines from the Missouri River system into the Intermountain West. However, Americans William H. Ashley and Jedediah Smith expanded the Saint Louis fur trade into Idaho in 1824. The 1832 trapper's rendezvous at Pierre's Hole, held at the foot of the Three Tetons in modern Teton County, was followed by an intense battle between the Gros Ventre and a large party of American trappers aided by their Nez Perce and Flathead allies.
The prospect of missionary work among the Native Americans also attracted early settlers to the region. In 1809, Kullyspell House, the first white-owned establishment and first trading post in Idaho, was constructed. In 1836, the Reverend Henry H. Spalding established a Protestant mission near Lapwai, where he printed the Northwest's first book, established Idaho's first school, developed its first irrigation system, and grew the state's first potatoes. Narcissa Whitman and Eliza Hart Spalding were the first non-native women to enter present-day Idaho.
Cataldo Mission, the oldest standing building in Idaho, was constructed at Cataldo by the Coeur d'Alene and Catholic missionaries. In 1842, Father Pierre-Jean De Smet, with Fr. Nicholas Point and Br. Charles Duet, selected a mission location along the St. Joe River. The mission was moved a short distance away in 1846, as the original location was subject to flooding. In 1850, Antonio Ravalli designed a new mission building and Indians affiliated with the church effort built the mission, without nails, using the wattle and daub method. In time, the Cataldo mission became an important stop for traders, settlers, and miners. It served as a place for rest from the trail, offered needed supplies, and was a working port for boats heading up the Coeur d'Alene River.
During this time, the region which became Idaho was part of an unorganized territory known as Oregon Country, claimed by both the United States and Great Britain. The United States gained undisputed jurisdiction over the region in the Oregon Treaty of 1846, although the area was under the de facto jurisdiction of the Provisional Government of Oregon from 1843 to 1849. The original boundaries of Oregon Territory in 1848 included all three of the present-day Pacific Northwest states and extended eastward to the Continental Divide. In 1853, areas north of the 46th Parallel became Washington Territory, splitting what is now Idaho in two. The future state was reunited in 1859 after Oregon became a state and the boundaries of Washington Territory were redrawn.
While thousands passed through Idaho on the Oregon Trail or during the California gold rush of 1849, few people settled there. In 1860, the first of several gold rushes in Idaho began at Pierce in present-day Clearwater County. By 1862, settlements in both the north and south had formed around the mining boom.
The Church of Jesus Christ of Latter-Day Saints missionaries founded Fort Lemhi in 1855, but the settlement did not last. The first organized town in Idaho was Franklin, settled in April 1860 by Mormon pioneers who believed they were in Utah Territory; although a later survey determined they had crossed the border. Mormon pioneers reached areas near the current-day Grand Teton National Park in Wyoming and established most of the historic and modern communities in Southeastern Idaho. These settlements include Ammon, Blackfoot, Chubbuck, Firth, Idaho Falls, Iona, Pocatello, Rexburg, Rigby, Shelley, and Ucon.
Large numbers of English immigrants settled in what is now the state of Idaho in the late 19th and early 20th century, many before statehood. The English found they had more property rights and paid less taxes than they did back in England. They were considered some of the most desirable immigrants at the time. Many came from humble beginnings and would rise to prominence in Idaho. Frank R. Gooding was raised in a rural working-class background in England, but was eventually elected as the seventh governor of the state. Today people of English descent make up one fifth of the entire state of Idaho and form a plurality in the southern portion of the state.
Many German farmers also settled in what is now Idaho. German settlers were primarily Lutheran across all of the midwest and west, including Idaho, however there were small numbers of Catholics amongst them as well. In parts of Northern Idaho, German remained the dominant language until World War I, when German-Americans were pressured to convert entirely to English. Today, Idahoans of German ancestry make up nearly one fifth of all Idahoans and make up the second largest ethnic group after Idahoans of English descent with people of German ancestry being 18.1% of the state and people of English ancestry being 20.1% of the state.
Irish Catholics worked in railroad centers such as Boise. Today, 10% of Idahoans self-identify as having Irish ancestry.
York, a slave owned by William Clark but considered a full member of Corps of Discovery during expedition to the Pacific, was the first recorded African American in Idaho. There is a significant African American population made up of those who came west after the abolition of slavery. Many settled near Pocatello and were ranchers, entertainers, and farmers. Although free, many blacks suffered discrimination in the early-to-mid-late 20th century. The black population of the state continues to grow as many come to the state because of educational opportunities, to serve in the military, and for other employment opportunities. There is a Black History Museum in Boise, Idaho, with an exhibit known as the "Invisible Idahoan", which chronicles the first African-Americans in the state. Blacks are the fourth largest ethnic group in Idaho according to the 2000 census. Mountain Home, Boise, and Garden City have significant African-American populations.
The Basque people from the Iberian peninsula in Spain and southern France were traditionally shepherds in Europe. They came to Idaho, offering hard work and perseverance in exchange for opportunity. One of the largest Basque communities in the US is in Boise, with a Basque museum and festival held annually in the city.
Chinese in the mid-19th century came to America through San Francisco to work on the railroad and open businesses. By 1870, there were over 4000 Chinese and they comprised almost 30% of the population. They suffered discrimination due to the Anti-Chinese League in the 19th century which sought to limit the rights and opportunities of Chinese emigrants. Today Asians are third in population demographically after Whites and Hispanics at less than 2%.
Main articles: Oregon boundary dispute, Provisional Government of Oregon, Oregon Treaty, Oregon Territory, Washington Territory, Dakota Territory, Organic act § List of organic acts, and Idaho Territory
On March 4, 1863, President Abraham Lincoln signed an act creating Idaho Territory from portions of Washington Territory and Dakota Territory with its capital at Lewiston. The original Idaho Territory included most of the areas that later became the states of Idaho, Montana and Wyoming, and had a population of under 17,000. Idaho Territory assumed the boundaries of the modern state in 1868 and was admitted as a state in 1890.
After Idaho became a territory, legislation was held in Lewiston, the capital of Idaho Territory at the time. There were many territories acts put into place, and then taken away during these early sessions, one act being the move of the capital city from Lewiston to Boise City. Boise was becoming a growing area after gold was found, so on December 24, 1864, Boise City was made the final destination of the capital for the Territory of Idaho.
However, moving the capital to Boise City created a lot of issues between the territory. This was especially true between the north and south areas in the territory, due to how far south Boise City was. Problems with communicating between the north and south contributed to some land in Idaho Territory being transferred to other territories and areas at the time. Idaho’s early boundary changes helped create the current boundaries of Washington, Wyoming, and Montana States as currently exist.
In a bid for statehood, Governor Edward A. Stevenson called for a constitutional convention in 1889. The convention approved a constitution on August 6, 1889, and voters approved the constitution on November 5, 1889.
When President Benjamin Harrison signed the law admitting Idaho as a U.S. state on July 3, 1890, the population was 88,548. George L. Shoup became the state's first governor, but resigned after only a few weeks in office to take a seat in the United States Senate. Willis Sweet, a Republican, was the first congressman, 1890 to 1895, representing the state at-large. He vigorously demanded "Free Silver" or the unrestricted coinage of silver into legal tender, in order to pour money into the large silver mining industry in the Mountain West, but he was defeated by supporters of the gold standard. In 1896 he, like many Republicans from silver mining districts, supported the Silver Republican Party instead of the regular Republican nominee William McKinley.
During its first years of statehood, Idaho was plagued by labor unrest in the mining district of Coeur d'Alene. In 1892, miners called a strike which developed into a shooting war between union miners and company guards. Each side accused the other of starting the fight. The first shots were exchanged at the Frisco mine in Frisco, in the Burke-Canyon north and east of Wallace. The Frisco mine was blown up, and company guards were taken prisoner. The violence soon spilled over into the nearby community of Gem, where union miners attempted to locate a Pinkerton spy who had infiltrated their union and was passing information to the mine operators. But agent Charlie Siringo escaped by cutting a hole in the floor of his room. Strikers forced the Gem mine to close, then traveled west to the Bunker Hill mining complex near Wardner, and closed down that facility as well. Several had been killed in the Burke-Canyon fighting. The Idaho National Guard and federal troops were dispatched to the area, and union miners and sympathizers were thrown into bullpens.
Hostilities would again erupt at the Bunker Hill facility in 1899, when seventeen union miners were fired for having joined the union. Other union miners were likewise ordered to draw their pay and leave. Angry members of the union converged on the area and blew up the Bunker Hill Mill, killing two company men.
In both disputes, the union's complaints included pay, hours of work, the right of miners to belong to the union, and the mine owners' use of informants and undercover agents. The violence committed by union miners was answered with a brutal response in 1892 and in 1899.
Through the Western Federation of Miners (WFM) union, the battles in the mining district became closely tied to a major miners' strike in Colorado. The struggle culminated in the December 1905 assassination of former Governor Frank Steunenberg by Harry Orchard (also known as Albert Horsley), a member of the WFM. Orchard was allegedly incensed by Steunenberg's efforts as governor to put down the 1899 miner uprising after being elected on a pro-labor platform.
Pinkerton detective James McParland conducted the investigation into the assassination. In 1907, WFM Secretary Treasurer "Big Bill" Haywood and two other WFM leaders were tried on a charge of conspiracy to murder Steunenberg, with Orchard testifying against them as part of a deal made with McParland. The nationally publicized trial featured Senator William E. Borah as prosecuting attorney and Clarence Darrow representing the defendants. The defense team presented evidence that Orchard had been a Pinkerton agent and had acted as a paid informant for the Cripple Creek Mine Owners' Association. Darrow argued that Orchard's real motive in the assassination had been revenge for a declaration of martial law by Steunenberg, which prompted Orchard to gamble away a share in the Hercules silver mine that would otherwise have made him wealthy.
Two of the WFM leaders were acquitted in two separate trials, and the third was released. Orchard was convicted and sentenced to death. His sentence was commuted, and he spent the rest of his life in an Idaho prison.
Mining in Idaho was a major commercial venture, bringing a great deal of attention to the state. From 1860-1866 Idaho produced 19% of all gold in the United States, or 2.5 million ounces.
Most of Idaho's mining production, 1860–1969, has come from metals equating to $2.88 billion out of $3.42 billion, according to the best estimates. Of the metallic mining areas of Idaho, the Coeur d'Alene region has produced the most by far, and accounts for about 80% of the total Idaho yield.
Several others—Boise Basin, Wood River Valley, Stibnite, Blackbirg, and Owyhee—range considerably above the other big producers. Atlanta, Bear Valley, Bay Horse, Florence, Gilmore, Mackay, Patterson, and Yankee Fork all ran on the order of ten to twenty million dollars, and Elk City, Leesburg, Pierce, Rocky Bar, and Warren's make up the rest of the major Idaho mining areas that stand out in the sixty or so regions of production worthy of mention.
A number of small operations do not appear in this list of Idaho metallic mining areas: a small amount of gold was recovered from Goose Creek on Salmon Meadows; a mine near Cleveland was prospected in 1922 and produced a little manganese in 1926; a few tons of copper came from Fort Hall, and a few more tons of copper came from a mine near Montpelier. Similarly, a few tons of lead came from a property near Bear Lake, and lead-silver is known on Cassia Creek near Elba. Some gold quartz and lead-silver workings are on Ruby Creek west of Elk River, and there is a slightly developed copper operation on Deer Creek near Winchester. Molybdenum is known on Roaring River and on the east fork of the Salmon. Some scattered mining enterprises have been undertaken around Soldier Mountain and on Chief Eagle Eye Creek north of Montour.
Idaho proved to be one of the more receptive states to the progressive agenda of the late 19th century and early 20th century. The state embraced progressive policies such as women's suffrage (1896) and prohibition (1916) before they became federal law. Idahoans were also strongly supportive of Free Silver. The pro-bimetallism Populist and Silver Republican parties of the late 1890s were particularly successful in the state.
Eugenics was also a major part of the Progressive movement. In 1919, the Idaho legislature passed an Act legalizing the forced sterilization of some persons institutionalized in the state. The act was vetoed by governor D.W. Davis, who doubted its scientific merits and believed it likely violated the Equal Protection clause of the US Constitution. In 1925, the Idaho legislature passed a revised eugenics act, now tailored to avoid Davis's earlier objections. The new law created a state board of eugenics, charged with: the sterilization of all feebleminded, insane, epileptics, habitual criminals, moral degenerates and sexual perverts who are a menace to society, and providing the means for ascertaining who are such persons.
The Eugenics board was eventually folded into the state's health commission; between 1932 and 1964, a total of 30 women and eight men in Idaho were sterilized under this law. The sterilization law was formally repealed in 1972.
After statehood, Idaho's economy began a gradual shift away from mining toward agriculture, particularly in the south. Older mining communities such as Silver City and Rocky Bar gave way to agricultural communities incorporated after statehood, such as Nampa and Twin Falls. Milner Dam on the Snake River, completed in 1905, allowed for the formation of many agricultural communities in the Magic Valley region which had previously been nearly unpopulated.
Meanwhile, some of the mining towns were able to reinvent themselves as resort communities, most notably in Blaine County, where the Sun Valley ski resort opened in 1936. Others, such as Silver City and Rocky Bar, became ghost towns.
In the north, mining continued to be an important industry for several more decades. The closure of the Bunker Hill Mine complex in Shoshone County in the early 1980s sent the region's economy into a tailspin. Since that time, a substantial increase in tourism in north Idaho has helped the region to recover. Coeur d'Alene, a lake-side resort town, is a destination for visitors in the area.
Beginning in the 1980s, there was a rise in North Idaho of a few right-wing extremist and "survivalist" political groups, most notably one holding Neo-Nazi views, the Aryan Nations. These groups were most heavily concentrated in the Panhandle region of the state, particularly in the vicinity of Coeur d'Alene.
In 1992 a stand-off occurred between U.S. Marshals, the F.B.I., and white separatist Randy Weaver and his family at their compound at Ruby Ridge, located near the small, northern Idaho town of Naples. The ensuing fire-fight and deaths of a U.S. Marshal, and Weaver's son and wife gained national attention, and raised a considerable amount of controversy regarding the nature of acceptable force by the federal government in such situations.
In 2001, the Aryan Nations compound, which had been located in Hayden Lake, Idaho, was confiscated as a result of a court case, and the organization moved out of state. About the same time Boise installed an impressive stone Human Rights Memorial featuring a bronze statue of Anne Frank and quotations from her and many other writers extolling human freedom and equality.
The demographics of the state have changed. Due to this growth in different groups, especially in Boise, the economic expansion surged wrong-economic growth followed the high standard of living and resulted in the "growth of different groups". The population of Idaho in the 21st Century has been described as sharply divided along geographic and cultural lines due to the center of the state being dominated by sparsely-populated national forests, mountain ranges and recreation sites: "unless you're willing to navigate a treacherous mountain pass, you can't even drive from the north to the south without leaving the state." The northern population gravitates towards Spokane, Washington, the heavily Mormon south-east population towards Utah, with an isolated Boise "[being] the closest thing to a city-state that you'll find in America."
On March 13, 2020, officials from the Idaho Department of Health and Welfare announced the first confirmed case of the novel coronavirus COVID-19 within the state of Idaho. A woman over the age of 50 from the southwestern part of the state was confirmed to have the coronavirus infection. She contracted the infection while attending a conference in New York City. Conference coordinators notified attendees that three individuals previously tested positive for the coronavirus. The Idahoan did not require hospitalization and was recovering from mild symptoms from her home. At the time of the announcement, there were 1,629 total cases and 41 deaths in the United States. Five days beforehand, on March 8, a man of age 54 had died of an unknown respiratory illness which his doctor had believed to be pneumonia. The disease was later suspected to be – but never confirmed as – COVID-19.
On March 14, state officials announced the second confirmed case within the state. The South Central Public Health District, announced that a woman over the age of 50 that resides in Blaine County had contracted the infection.[44] Like the first case, she did not require hospitalization and she was recovering from mild symptoms from home. Later on in the day, three additional confirmed cases of COVID-19 were reported in the state by three of the seven health districts in the state, which brought the confirmed total cases of coronavirus to five in Idaho. Officials from Central District Health announced their second confirmed case, which was a male from Ada County in his 50s. He was not hospitalized and was recovering at home. South Central Public Health reported their second confirmed case in a female that is over the age of 70 who was hospitalized. Eastern Idaho Public Health reported a confirmed positive case in a woman under the age of 60 in Teton County. She had contracted the coronavirus from contact with a confirmed case in a neighboring state; she was not hospitalized. The South Central Public Health District announced that a woman over the age of 50 that resides in Blaine County had contracted the infection. Like the first case, she did not require hospitalization and she was recovering from mild symptoms from home.
On March 17, two more confirmed cases of the infection were reported, bringing the total to seven. The first case on this date was by officials from Central District Health reported that a female under the age of 50 in Ada County was recovering at home and was not hospitalized. The second confirmed case was a female over the age of 50 as reported by South Central Public Health officials.
On March 18, two additional confirmed cases were announced by South Central Public Health District officials. One is a male from Blaine County in his 40s and the other a male in his 80s from Twin Falls County. These cases were the first known community spread transmission of the coronavirus in South Central Idaho.
Blender 3d model
VIDEO: youtu.be/0NXBUmNoifE
MODEL DETAILLS: www.turbosquid.com/FullPreview/Index.cfm/ID/1092424
Permanent Train Station parked in Boa Vista Nova - Campinas - São Paulo / Brazil (ZBL).
Manufacturer: EMD / GM
Number of Manufactured: 24663
Date of manufacture: 09/1958
Railroad and Original Number: Mineira de Viação (RMV)
Note: Returned to Rede Ferroviária Federal S / A
Trem da Via Permanente estacionado em Boa Vista Nova - Campinas - São Paulo / Brasil (ZBL).
Fabricante: EMD/GM
Número de Fabricação: 24663
Data de Fabricação: 09/1958
Ferrovia e Número original: Rede Mineira de Viação (RMV)
Observação: Devolvida a Rede Ferroviária Federal S/A
www.magd.ox.ac.uk/discover-magdalen/
To celebrate its 550th anniversary Magdalen College, Oxford has commissioned the Turner Prize-winning artist Mark Wallinger to create his first-ever dedicated permanent artwork.
Two years in development, the sculpture Y was unveiled on St Mary Magdalen Day 2008. William Waynflete, Bishop of Winchester founded Magdalen College in 1458. It is one of the best-known colleges in the University of Oxford and is known internationally for its high academic standing.
The College has many fine buildings. The Cloisters, Chapel, Founder’s Tower and Hall were built in the Gothic style in the later part of the 15th century. The Great Tower, a pictorial symbol of Oxford, is famous for the May Day event when the College choir sings an ancient hymn at dawn. The Georgian New Buildings, which blend into the College Gardens and grounds, were completed in 1733. The buildings sit amid a hundred acres of lawns, woodlands and riverside walks, which are publicly accessible, and there is a deer herd that has been in existence for over 300 years.
Addison’s Walk, named after the great essayist of the 18th century and father of English journalism, is about a mile in length and goes by the River Cherwell around a great water meadow. Beyond the end of Addison’s Walk is a tranquil field known as Bat Willow Meadow, which is where the new commission is sited. Maps of the grounds of Magdalen College are available from the Porters’ Lodge or they can be downloaded from the Magdalen website.
Over the past twenty years Mark Wallinger has established an international reputation with major solo exhibitions in London, Birmingham, Liverpool, Val-de-Marne, Frankfurt, Aarau, Basel, Milan, New York and Chicago.
His work encompasses a wide range of media, including painting, photography, sculpture, video and installation, and it takes art history, mythology, religion, politics, national identity and popular culture as its subject matter. Wallinger studied at Chelsea School of Art in 2001, and in Goldsmiths' College. He exhibited in Young British Artists II at the Saatchi Collection in 1993 and at the Royal Academy of Art's Sensation exhibition in 1997.
His Time and relative dimensions in space derived from a residency and was shown at Oxford University Museum of Natural History in 2001 and in the same year he represented Britain in the 49th Venice Biennale. The artist is best known for Ecce Homo, a life-size sculpture of Jesus Christ which inaugurated the Fourth Plinth in Trafalgar Square in 1999, and State Britain, his 2007 re-creation at Tate Britain of Brian Haw's protest display outside parliament. He was a Turner Prize nominee in 1995 and won the award in 2007, and he is one of five internationally acclaimed artists who have been commissioned to produce proposals for the Ebbsfleet Landmark Project, which will be one of the biggest artworks in the United Kingdom.
This is another photograph from the wave series. When making these photographs I envisioned them to be in colour but after trying black and white I think it turned out better.
Website: ethanhassickphotography.webs.com
Facebook: www.facebook.com/ethanhassickphotography
The magnetic motor will be cheaper than a standard motor to make, as the rotor and stator assemblies can be set into plastic housings, due to the fact that the system creates very little heat. Further, with the motor's energy efficiency, it will be well suited for any application where a motor has limited energy to drive it. While development is still focused on replacing existing devices, Minato says that his motor has sufficient torque to power a vehicle. With the help of magnetic propulsion, it is feasible to attach a generator to the motor and produce more electric power than was put into the device. Minato says that average efficiency on his motors is about 330 percent.
Mention of Over Unity devices in many scientific circles will draw icy skepticism. But if you can accept the idea that Minato's device is able to create motion and torque through its unique, sustainable permanent magnet propulsion system, then it makes sense that he is able to get more out of the unit than he puts in in terms of elctrical power. Indeed, if the device can produce a surplus of power for longer periods, every household in the land will want one.
"I am not in this for the money," Minato says. "I have done well in my musical career, but I want to make a contribution to society -- helping the backstreet manufacturers here in Japan and elsewhere. I want to reverse the trends caused by major multinationals. There is a place for corporations. But as the oil industry has taught us, energy is one area where a breakthrough invention like this cannot be trusted to large companies."
Minato was once close to making a deal with Enron. But today, he is firmly on a mission to support the small and the independent -- and to go worldwide with them and his amazing machine. "Our plan is to rally smaller companies and pool their talent, and to one day produce the technology across a wide range of fields."
When we first got the call from an excited colleague that he'd just seen the most amazing invention -- a magnetic motor that consumed almost no electricity -- we were so skeptical that we declined an invitation to go see it. If the technology was so good, we thought, how come they didn't have any customers yet?
We forgot about the invitation and the company until several months later, when our friend called again. "OK," he said. "They've just sold 40,000 units to a major convenience store chain. Now will you see it?" In Japan, no one pays for 40,000 convenience store cooling fans without being reasonably sure that they are going to work.
The Maestro ~
The streets of east Shinjuku are littered with the tailings of the many small factories and workshops still located there -- hardly one's image of the headquarters of a world-class technology company. But this is where we are first greeted outside Kohei Minato's workshop by Nobue Minato, the wife of the inventor and co-director of the family firm. The workshop itself is like a Hollywood set of an inventor's garage. Electrical machines, wires, measuring instruments and batteries are strewn everywhere. Along the diagram-covered walls are drill presses, racks of spare coils, Perspex plating and other paraphernalia. And seated in the back, head bowed in thought, is the 58-year-old techno maestro himself. Minato is no newcomer to the limelight. In fact, he has been an entertainer for most of his life, making music and producing his daughter's singing career in the US. He posseses an oversized presence, with a booming voice and a long ponytail. In short, you can easily imagine him onstage or in a convertible cruising down the coast of California -- not hunched over a mass of wires and coils in Tokyo's cramped backstreets. Joining us are a middle-aged banker and his entourage from Osaka and accounting and finance consultant Yukio Funai. The banker is doing a quick review for an investment, while the rest of us just want to see if Minato's magnetic motors really work. A prototype car air conditioner cooler sitting on a bench looks like it would fit into a Toyota Corolla and quickly catches our attention. Seeing is Believing ~
Nobue then takes us through the functions and operations of each of the machines, starting off with a simple explanation of the laws of magnetism and repulsion. She demonstrates the "Minato Wheel" by kicking a magnet-lined rotor into action with a magnetic wand. Looking carefully at the rotor, we see that it has over 16 magnets embedded on a slant -- apparently to make Minato's machines work, the positioning and angle of the magnets is critical. After she kicks the wheel into life, it keeps spinning, proving at least that the design doesn't suffer from magnetic lockup. She then moves us to the next device, a weighty machine connected to a tiny battery. Apparently the load on the machine is a 35kg rotor, which could easily be used in a washing machine. After she flicks the switch, the huge rotor spins at over 1,500 rpms effortlessly and silently. Meters show the power in and power out. Suddenly, a power source of 16 watt or so is driving a device that should be drawing at least 200 to 300 watts. Nobue explains to us that this and all the other devices only use electrical power for the two electromagnetic stators at either side of each rotor, which are used to kick the rotor past its lockup point then on to the next arc of magnets. Apparently the angle and spacing of the magnets is such that once the rotor is moving, repulsion between the stators and the rotor poles keeps the rotor moving smoothly in a counterclockwise direction. Either way, it's impressive. Next we move to a unit with its motor connected to a generator. What we see is striking. The meters showed an input to the stator electromagnets of approximately 1.8 volts and 150mA input, and from the generator, 9.144 volts and 192mA output. 1.8 x 0.15 x 2 = 540mW input and 9.144 x 0.192 = 1.755W out. But according to the laws of physics, you can't get more out of a device than you put into it. We mention this to Kohei Minato while looking under the workbench to make sure there aren't any hidden wires. Minato assures us that he hasn't transcended the laws of physics. The force supplying the unexplained extra power out is generated by the magnetic strength of the permanent magnets embedded in the rotor. "I'm simply harnessing one of the four fundamental forces of nature," he says. Although we learned in school that magnets were always bipolar and so magnetically induced motion would always end in a locked state of equilibrium, Minato explains that he has fine-tuned the positioning of the magnets and the timing of pulses to the stators to the point where the repulsion between the rotor and the stator (the fixed outer magnetic ring) is transitory. This creates further motion -- rather than a lockup. (See the sidebar on page 41 for a full explanation). Real Products ~ Nobue Minato leads us to the two devices that might convince a potential investor that this is all for real. First, she shows us the cooling fan prototype that is being manufactured for a convenience store chain's 14,000 outlets (3 fans per outlet). The unit looks almost identical to a Mitsubishi-manufactured fan unit next to it, which is the unit currently in wide use. In a test, the airflow from both units is about the same. The other unit is the car air conditioning prototype that caught our eye as we came in. It's a prototype for Nippon Denso, Japan's largest manufacturer of car air conditioners. The unit is remarkably compact and has the same contours and size as a conventional unit. Minato's manufacturing skills are clearly improving.
The Banker and his Investment ~
Minato has good reason to complain about Japan's social and cultural uniformity. For years, people thought of him as an oddball for playing the piano for a living, and bankers and investors have avoided him because of his habit of claiming that he'd discovered a breakthrough technology all by himself -- without any formal training. However, the Osaka banker stands up after the lecture and announces that before he goes, he will commit \100 million to the investment pool. Minato turns to us and smiles. We brought him good luck, and this was his third investor in as many weeks to confirm an interest. Bringing the Tech to the Table ~ With the audience gone, we ask Minato what he plans to do to commercialize the technology. His game plan is simple and clear, he says. He wants to retain control, and he wants to commercialize the technology in Japan first -- where he feels he can ensure that things get done right. Why doesn't he go directly to the US or China? His experiences in both countries, he suggests, have been less than successful. "The first stage is critical in terms of creating good products and refining the technology. I don't want to be busy with legal challenges and IP theft while doing that." Still, the export and licensing of the technology are on his agenda, and Minato is talking to a variety of potential partners in other countries. Whereas another inventor might be tempted to outsource everything to a larger corporation, part of what drives Minato is his vision of social justice and responsibility. The 40,000 motors for the convenience store chain are being produced by a group of small manufacturers in Ohta-ku and Bunkyo-ku, in the inner north of Tokyo -- which is becoming a regional rust belt. Minato is seized with the vision of reinvigorating these small workshops that until the 80s were the bedrock of Japan's manufacturing and economic miracle. Their level of expertise will ensure that the quality of the motors will be as good as those from any major company. International Prep " Despite his plan to do things domestically first, Minato is well prepared for the international markets. He is armed with both six years of living and doing business in Los Angeles in the early 90s -- and with patent protection for over 48 countries. His is hardly a provincial perspective. His US experience came after playing the piano for a living for 15 years. He began tinkering with his invention in the mid-70s. The idea for his magnetic motor design came from a burst of inspiration while playing the piano. But Minato decided to drop everything in 1990 to help his daughter Hiroko, who at the age of 20 decided that she wanted to be a rhythm and blues star in the US. Minato is a strong believer in family: If Hiroko was going to find fame and fortune in the US, Dad had better be there to help manage her. He suceeded in helping Hiroko to achieve a UK dance chart number one hit in 1995. In 1996 Minato returned to Japan and his magnetic motor project. The following year he displayed his prototypes to national power companies, government officials and others at a five-day conference in Mexico City. Interest was palpable, and Minato realized that his invention might meet a global need for energy-saving devices.
Subsequent previews and speeches in Korea and Singapore further consolidated his commitment to bringing the invention to fruition, and he was able to bring in several early-stage investors.
During the late 90s, Minato continued to refine his prototypes. He also stayed in constant contact with his lawyer, registering patents in major countries around the world. Through his experiences in the US he realized that legal protection was critical, even if it meant delaying release of the technology by a couple of years. Ironically, by the time he'd won patents in 47 countries, the Japanese patent office turned him down on the grounds that "[the invention] couldn' t possibly work" and that somehow he was fabricating the claims. But a few months later they were forced to recant their decision after the US patent office recognized his invention and gave him the first of two patents. As Minato notes: "How typical of Japan's small-minded bureaucrats that they needed the leadership of the US to accept that my invention was genuine." By 2001, the Minatos had refined their motors and met enough potential investors to enter into a major international relationship, initially with a Saudi company, to be followed thereafter by companies in the US and elsewhere. However, fate dealt the investors and Minato's business a serious blow when the World Trade Center was attacked in New York. The Saudis retreated, and Minato's plans fell back to square one. Now Minato is once again ready to move. With the first order in the works and more orders pending successful prototypes, he has decided that investors don't have to be primary partners. He is actively accepting inquiries from corporate investors who can bring strategic advantages and corporate credibility with them. His company, Japan Magnetic Fan, will make a series of investment tie-up announcements in the first and second quarters of 2004. Implications ~ Minato's motors consume just 20 percent or less of the power of conventional motors with the same torque and horse power. They run cool to the touch and produce almost no acoustic or electrical noise. They are significantly safer and cheaper (in terms of power consumed), and they are sounder environmentally. The implications are enormous. In the US alone, almost 55 percent of the nation's electricity is consumed by electric motors. While most factory operators buy the cheapest motors possible, they are steadily being educated by bodies like NEMA (National Electrical Manufacturers Association) that the costs of running a motor over a typical 20-year lifespan comprise a purchase price of just 3 percent of the total, and electricity costs of 97 percent. It is not unusual for a $2,000 motor to consume $80,000 of electricity (at a price of .06 cents per kilowatt hour). Since 1992, when efficiency legislation was put into place at the US federal level, motor efficiency has been a high priority -- and motors saving 20 percent or so on electrical bills are considered highly efficient. Minato is about to introduce a motor which saves 80 percent, putting it into an entirely new class: The $80,000 running cost will drop to just $16,000. This is a significant savings when multiplied by the millions of motors used throughout the USA and Japan -- and eventually, throughout the world. The Devices ; Minato's invention and its ability to use remarkably less power and run without heat or noise make it perfect for home appliances, personal computers, cellphones (a miniature generator is in the works) and other consumer products.
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US Patent # 4,751,486
(Cl. 335/272)
Magnetic Rotation Apparatus
(June 14. 1998)
Kohei Minato
Abstract --- The magnetic rotation apparatus of the present invention has first and second rotors rotatably supported and juxtaposed. The first and second rotors are connected so as to be rotatable in opposite directions in a cooperating manner. A number of permanent magnets are arranged on a circumferential portion of the first rotor at regular intervals, and just as many permanent magnets are arranged on a circumferential portion of the second rotor at regular intervals. Each permanent magnet has one magnetic polarity located radially outward from the rotors, and has the other magnetic polarity located radially inward toward the rotors. The polarity of each permanent magnet, which is located radially outward from the rotors, is identical. When the first and second rotors are rotated in a cooperating manner, the phase of rotation of the permanent magnets of one rotor is slightly advanced from that of the permanent magnets of the other rotor. One of the permanent magnets of one rotor is replaced with the electromagnet. The radially outward polarity of the electromagnet can be changed by reversing the direction in which a current is supplied to the electromagnet.
TECHNICAL FIELD
The present invention relates to a magnetic rotation apparatus in which a pair of rotors are rotated by utilizing a magnetic force.
BACKGROUND ART
An electromotor is well known as a rotation apparatus utilizing a magnetic force. For example, an AC electromotor comprises a rotor having a coil, a stator surrounding the rotor, and a plurality of electromagnets, disposed on the stator, for generating a rotating magnetic field. An electric power must be constantly supplied to the electromagnets in order to generate the rotating magnetic field and keep the rotor rotating, i.e., an external energy, or electric energy, is indispensable for the rotation of the rotor. Under the circumstances, a magnetic rotation apparatus, which employs permanent magnets in lieu of electromagnets and can rotate a rotor only by a magnetic force of the permanent magnets, is highly desirable. The present application proposes a magnetic rotation apparatus which comprises a pair of rotors rotatable in opposite directions in a cooperating manner, and a plurality of permanent magnets stationarily arranged at regular intervals on the peripheral portion of each rotor. One end portion of each permanent magnet of both rotors, which has the same polarity, is located radially outward of the rotors. When the two rotors are rotated in a cooperating fashion, a permanent magnet on one rotor and a corresponding permanent magnet on the other, which form a pair, approach and move away from each other periodically. In this case, the phase of rotation of the magnet on one rotor advances a little from that of the corresponding magnet on the other rotor. When the paired permanent magnets approach each other, magnetic repulsion causes one rotor to rotate. The rotation of one rotor is transmitted to the other rotor to rotate the same. In this manner, other pairs of magnets on both rotors sequentially approach each other, and magnetic repulsion occurs incessantly. As a result, the rotors continue to rotate. In the above apparatus, in order to stop the rotation of the rotors, a brake device is required. If an ordinary brake device is mounted on the magnetic rotation apparatus, the entire structure of the apparatus becomes complex, and a driving source for the brake device must be provided separately. The present invention has been developed in consideration of the above circumstances, and its object is to provide a magnetic rotation apparatus including a brake device for suitably stopping the rotation of rotors.,DISCLOSURE OF THE INVENTION The magnetic rotation apparatus of the present invention is provided with magnetic force conversion means which is substituted for at least one pair of permanent magnets of the paired rotors. In a normal state, the magnetic force conversion means causes a magnetic repulsion, as in the other pairs of permanent magnets. When it is intended for the rotors to stop, the magnetic force conversion means causes a magnetic attraction force. Since a magnetic attraction force can be produced between the rotors at any time, the magnetic attraction force serves to stop the rotors. The brake device constituted by the magnetic force conversion means differs from an ordinary brake device which forcibly stops a pair or rotors by using a frictional force. In the brake device of this invention, by converting a magnetic repulsion force to a magnetic attraction force, the rotors can be braked in the state that the movement of the rotors is reduced. Thus, the rotors can be stopped effectively. BRIEF DESCRIPTION OF THE DRAWINGS
FIG. 1 is a schematic perspective view showing a magnetic rotation apparatus according to an embodiment of the invention;
FIG. 2 is a schematic plan view showing the relationship between the first and second rotors; FIG. 3 is a perspective view of a permanent magnet; FIG. 4 shows an electromagnet, a permanent magnet cooperating with the electromagnet, and a driving circuit the electromagnet; and FIG. 5 is a view for explaining how a pair of rotors rotate. BEST MODE OF CARRYING OUT THE INVENTION FIG. 1 shows a magnetic rotation apparatus embodying the present invention. The magnetic rotation apparatus has frame 1. Frame 1 is provided with a pair of rotation shafts 2 which extend vertically and in parallel to each other. Shafts 2 are located at a predetermined distance from each other. Upper and lower ends of each shaft 2 are rotationally supported on frame 1 via bearing 3. First rotor 4a is mounted on one of rotation shafts 2, second rotor 4b is mounted on the other rotation shaft 2. First and second rotors 4a and 4b are arranged on the same level. Rotors 4a and 4b have similar structures. For example, each rotor 4a (4b) comprises two ring-shaped plates 5 which are spaced apart from each other in the axial direction of the rotation shaft 2. Gears 6a and 6b made of synthetic resin are, as cooperating means, attached to lower surfaces of first and second rotors 4a and 4b. The diameters of gears 6a and 6b are identical but larger than those of rotors 4a and 4b. Gears 6a and 6b mesh with each other. First and second rotors 4a and 4b are thus rotatable in opposite directions in a cooperating manner. In FIG. 1, reference numeral 7 indicates support arms for supporting first and second rotors 4a and 4b.
For example, 16 magnets are arranged at regular intervals on a peripheral portion of first rotor 4a. These magnets are secured between two ring-shaped plates 5. In this embodiment, among the 16 magnets, one is electromagnet 9a (see FIG. 2), and the others are permanent magnets 8a. FIG. 2 shows only some of permanent magnets 8a. As shown in FIG. 3, permanent magnet 8a comprises case 10, and a plurality of rod-like ferromagnetic members 11 housed in case 10. Ferromagnetic member 11 is, for example, a ferrite magnet. Ferromagnetic members 11 of each permanent magnet 8a are arranged such that ferromagnetic members 11 have the same polarity at one end. In first rotor 4a, for example, an N-polarity end portion of each permanent magnet 8a faces radially outward, and an S-polarity end portion of magnet 8a faces radially inward. As shown in FIG. 2, when each permanent magnet 8a is located between two shafts 2, angle C formed by longitudinal axis A of magnet 8a and imaginary line B connecting two shafts 2 is, for example, set to 30.degree. C. On the other hand, electromagnet 9a is, as shown in FIG. 4, constituted by U-shaped iron core 12, and coil 13 wound around core 12. Electromagnet 9a is arranged such that both N- and S-polarity end portions face radially outward of first rotor 4a, and the above-mentioned angle C is formed, similarly to the case of permanent magnet 8a. The same number of permanent magnets (8b,9b) as the total number of all permanent magnets and electromagnet (8a,9a) of first rotor 4a are secured on a peripheral portion of second rotor 4b at regular intervals. In FIG. 2, when first and second rotors 4a and 4b are rotated in opposite directions, each permanent magnet of second rotor 4b periodically moves toward and away from the corresponding one of the magnets (8a,9a) of first rotor 4a. The permanent magnets (8b,9b) of second rotor 4b will now be described in greater detail. Permanent magnets 8b of second rotor 4b, which periodically move toward and away from permanent magnets 8a of first rotor 4a in accordance with the rotation of rotors 4a and 4b, have a structure similar to that of permanent magnets 8a of first rotor 4a. The polarity of that end portion of each permanent magnet 8b which is located radially outward from second rotor 4b, is identical with that of the end portion of each permanent magnet 8a of first rotor 4a. That is, the radially outward portion of each permanent magnet 8b has an N-polarity. Permanent magnet 9b of second rotor 4b, which periodically moves toward and away from electromagnet 9a of first rotor 4a, has a structure shown in FIG. 4. Permanent magnet 9b has a structure similar to that of permanent magnets 8a. Both polarities of electromagnet 9a face radially outward from first rotor 4a. Permanent magnet 9b has two different polarities which face radially outward from second rotor 4b and correspond to both polarities of electromagnet 9a. As shown in FIG. 2, when each permanent magnet 8b,9b is located between two rotation shafts 2, angle E formed by longitudinal axis D of the magnet (8b,9b) and imaginary line B connecting two shafts 2 is, for example, set to 56.degree. C. In addition, when rotors 4a and 4b are rotated in opposite directions, as shown by arrows, the magnets (8a,9a) of first rotor 4a move a little ahead of the corresponding permanent magnets (8b,9b) of second rotor 4b, in a region in which both magnets (8a,9a; 8b,9b) approach one another. In other words, the phase of rotation of the magnets (8a,9a) of first rotor 4a advances by a predetermined angle in relation to the permanent magnets (8b,9b) of second rotor 4b. As shown in FIG. 4, electromagnet 9a of first rotor 4a is electrically connected to drive circuit 14. Drive circuit 14 includes a power source for supplying an electric current to coil 13 of electromagnet 9a. While rotors 4a and 4b rotate, drive circuit turns on electromagnet 9a upon receiving a signal from first sensor 15 only when electromagnet 9a and permanent magnet 9b are in a first region in which they periodically approach each other. First sensor 15 is an optical sensor comprising a light-emitting element and a light-receiving element. As shown in FIG. 1, first sensor 15 is attached to a portion of frame 1 above first rotor 4a. First sensor 15 emits light in a downward direction. The light is reflected by reflection plate 16 projecting radially inward from the inner edge of first rotor 4a. First sensor 15 receives the reflected light, and feeds a signal to drive circuit 14. Thus, drive circuit 14 turns on electromagnet 9a. The circumferential length of reflection plate 16 is equal to that of the above-mentioned first region. When magnets 9a and 9b enter the first region, first sensor 15 is turned on, and when they leave the first region, first sensor 15 is turned off. When drive circuit 14 receives a signal from first sensor 15, it excites electromagnet 9a such that both polarities of electromagnet 9a correspond to those of permanent magnet 9b of second rotor 4b. Drive circuit 14 is electrically connected to switching circuit 17. When brake switch 18 is operated, switching circuit 17 reverses the direction in which an electric current is supplied to electromagnet 9a. When the current supplying direction of drive circuit 14 is reversed, drive circuit 14 excites electromagnet 9a only in a time period in which drive circuit 14 receives a signal from second sensor 19. Second sensor 19 has a structure similar to that of first sensor 15, and is attached to frame 1 so as to be located closer to the center of rotor 4a than first sensor 15. Reflection plate 20, which corresponds to the position of second sensor 19, is formed integral to an inner edge portion of reflection plate 16. As shown in FIG. 2, compared to reflection plate 16, reflection plate 20 extends in rotational direction of first rotor 4a, indicated by the arrow. The operation of the above-described magnetic rotation apparatus will now be explained with reference to FIG. 5. In FIG. 5, rotation shaft 2 of first rotor 4a is denoted by 01, and rotation shaft 2 of second rotor 4b is denoted by 02. Only the radially outward polarity, that is, N-polarity, of the magnets of rotors 4a and 4b is shown, for the sake of convenience. Although electromagnet 9a and permanent magnet 9b have both polarities located radially outward, only the N-polarity thereof is shown. When first and second rotors 4a and 4b are put in a position shown in FIG. 5, magnetic pole Nb1 of one permanent magnet of second rotor 4b is located in a line connecting shafts 01 and 02. In this case, polarity Na1 of first rotor 4a, which is paired with polarity Nb1, is a little advanced from polarity Nb1 in the rotational direction of first rotor 4a. For example, as shown in FIG. 5, magnetic pole Na1 is advanced from polarity Nb1 by an angle of X.degree.. Polarities Na1 and Nb1 exert repulsion force F1 upon each other along line L. Supposing that an angle, formed by line M, which is drawn from shaft 01 perpendicularly to line L, and the line connecting shafts 01 and 02 is represented by Y, and that the length of line K is represented by R, torques Ta1 and Tb1 caused by repulsion force F1 to rotate first and second rotors 4a and 4b can be given by: Ta1=F1.multidot.R.multidot.cos (Y-X)
Tb1=F1.multidot.R.multidot.cos Y Since cos (Y-X)>cos Y, Ta1>Tb1.
As shown in FIG. 5, since magnetic pole Na1 is advanced from magnetic pole Nb1 by angle X.degree., first rotor 4a receives a greater torque than second rotor 4b. Thus, first rotor 4a forwardly rotates in the direction of the arrow in FIG. 5. Mention is now made of paired magnets of rotors 4a and 4b in the vicinity of magnetic poles Na1 and Nb1. Magnetic poles Nan and Nan-1 of first rotor 4a are advanced ahead of magnetic pole Nal in the rotational direction. Magnetic poles Nan and Nan-1 receive a torque produced by a repulsion force acting between magnetic poles Nan and Nan-1 and corresponding magnetic poles Nbn and Nbn-1. In FIG. 5, magnetic poles Nan and Nan-1 receive a smaller torque, as they rotate farther from the location of magnetic pole Na1. It is well known that a torque of first rotor 4a, which is caused by a repulsion force acting on magnetic poles Nan and Nan-1, is decreased in inverse proportion to the square of the distance between paired magnetic poles Na and Nb.
Magnetic poles Na2 and Na3, behind magnetic pole Na1, receive a torque which tends to rotate rotor 4a in the reverse direction. This torque is considered to be counterbalanced with the torque acting on magnetic poles Nan and Nan-1. In FIG. 5, attention should be paid to the region of magnetic poles Na1 and Na2. As first rotor 4a forwardly rotates, the direction in which a torque applies to magnetic pole Na2, is changed from the reverse direction to the forward direction, before magnetic pole Na2 reaches the position of magnetic pole Na1. The torque for forwardly rotating rotor 4a is larger than that for reversely rotating rotor 4a. Therefore, first rotor 4a is easily rotated in the direction shown in FIG. 2. Second rotor 4b is considered to receive a torque in a direction reverse to the direction shown in FIG. 2, as seen from the description of first rotor 4a. It is obvious that second rotor 4b receives a maximum torque at the position of magnetic pole Nb1. As seen from the above formula, torque Tb1 applied to second rotor 4b in a direction reverse to that denoted by the arrow is smaller than torque Ta1 applied to first rotor 4a in the forward direction. The rotation of first rotor 4a is transmitted to second rotor 4b through gears 6a and 6b. By determining the relationship between the strengths of torques Ta1 and Tb1, second rotor 4b is thus rotated in a direction reverse to the rotational direction of first rotor 4a, against the torque applied to second rotor in the direction. As a result, first and second rotors 4a and 4b are kept rotating, since a torque for rotating rotors 4a and 4b in a cooperating manner is produced each time magnetic poles Na of first rotor 4a pass across the line connecting shafts 01 and 02. In a diagram shown in the right part of FIG. 5, a solid line indicates a torque applied to first rotor 4a, and a broken line indicates a torque applied to second rotor 4b. The ordinate indicates a distance between each magnetic pole and the line connecting shafts 01 and 02 of rotors 4a and 4b. The first region in which electromagnet 9a of first rotor 4a is turned on is set in a range of Z during which a torque is applied to first rotor 4a in the forward direction. In order to stop the cooperative rotation of rotors 4a and 4b, brake switch is turned on to operate switching circuit 17. Thus, the direction in which drive circuit 14 supplies a current to electromagnet 9a is reversed. The polarities of electromagnet 9a are reversed. The torque applied to electromagnet 9a in the forward direction is stopped. When electromagnet 9a approaches permanent magnet 9b, a magnetic attract:on force is produced. As a result, the rotation of rotors 4a and 4b is effectively slowed down and stopped. Since the second region, in which electromagnet 9a is excited, is larger than the first region, a large braking force can be obtained from a magnetic attraction force. In the above embodiment, since electromagnet 9a is excited only in a specific region, a large electric power is not required. In addition, since electromagnet 9a rotates and brakes rotors 4a and 4b, a braking mechanism for a magnetic rotation apparatus can be obtained without having to make the entire structure of the apparatus complex. The present invention is not restricted to the above embodiment. With the exception of the paired electromagnet and permanent magnet, all permanent magnets of the rotors are arranged such that their end portions of the same polarity face radially outward from the rotors. However, it is possible that the polarities of the radially outward end portions of the permanent magnets are alternately changed. Namely, it should suffice if the polarities of the radially outward end portions of the first rotor are identical to those of the corresponding radially outward end portions of the second rotor. The magnets may have different magnetic forces. Furthermore, an electric power for exciting the electromagnet can be derived from the rotation of the rotors or from the revolving magnetic field of the permanent magnet.
Angles C and E are not restricted to 30.degree. and 56.degree.. They may be freely determined in consideration of the strength of the magnetic force of the permanent magnet, a minimum distance between adjacent magnets, angle x, and the like. The number of magnets of the rotor is also freely chosen.
Industrial Applicability ~ As described above, the magnetic rotation apparatus of the present invention can be used as a driving source in place of an electric motor, and as an electric generator. US Patent # 5,594,289 (Cl. 310/152) Magnetic Rotating Apparatus (January 14, 1997) Kohei Minato Abstract --- On a rotor which is fixed to a rotatable rotating shaft, a plurality of permanent magnets are disposed along the direction of rotation such that the same magnetic pole type thereof face outward. In the same way, balancers are disposed on the rotor for balancing the rotation of this rotor. Each of the permanent magnets is obliquely arranged with respect to the radial direction line of the rotor. At the outer periphery of the rotor, an electromagnet is disposed facing this rotor, with this electromagnet intermittently energized based on the rotation of the rotor. According to the magnetic rotating apparatus of the present invention, rotational energy can be efficiently obtained from permanent magnets. This is made possible by minimizing as much as possible current supplied to the electromagnets, so that only a required amount of electrical energy is supplied to the electromagnets. Claims --- [ Claims not included here ] Description BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a magnetic rotating apparatus, and more particularly, to a magnetic rotating apparatus which utilizes repulsive forces produced between a permanent magnet and an electromagnet.
2. Description of the Prior Art In a conventional electric motor, an armature as a rotor consists of turns of wires, and electric field as a stator consists of a permanent magnet. In such the conventional electric motor, however, current must be usually supplied to windings of the armature which is rotated. When the current is supplied, heat is generated, which gives rise to the problem that not much driving force is efficiently generated. This, in turn, gives wise to the problem that the magnetic forces cannot be efficiently obtained from the permanent magnet. In addition, in the conventional electric motor, since the armature is so constructed as consisting of the windings, the moment of inertia cannot be made very high, so that enough torque cannot be obtained. To overcome the above-described problems of such the conventional electric motor, the inventor proposed, in Japanese Patent Publication No. 61868/1993 (U.S. Pat. No. 4,751,486) a magnetic rotating apparatus in which a plurality of the permanent magnets are disposed along the two rotors, respectively, at a predetermined angle, and in which an electromagnet is disposed at one of the rotors. In a generally constructed conventional electric motor, there is a limit as to how much the efficiency of energy conversion can be increased. In addition, the torque of the electric motor cannot be made high enough. For the above reasons, hitherto, various improvements have been made on existing electric motors, without any success in producing an electric motor so constructed has providing satisfactory characteristics. In the magnetic rotating apparatus disclosed in Japanese Patent Publication No. 6868/1993 (U.S. Pat. No. 4,751,486) a pair of rotors is rotated. Therefore, it is necessary for each of the rotors to have high precision, and in addition, measures must be taken for easier rotation control. SUMMARY OF THE INVENTION In view of the above-described problems, the object of the present invention is to provide a magnetic rotating apparatus in which rotational energy can be efficiently obtained from the permanent magnet with a minimum amount of electrical energy, and in which rotation control can be carried out relatively easily. According to one aspect of the present invention, there is provided a magnetic rotating apparatus comprising a rotating shaft; a rotor which is fixed to the rotating shaft and which has disposed thereon permanent magnet means and means for balancing rotation, the permanent magnet means being disposed such that a plurality of magnetic poles of one (or first) polarity type is arranged along an outer peripheral surface in the direction of rotation, and a plurality of magnetic poles of the other (or second) polarity type arranged along an inner peripheral surface, with each pair of corresponding magnetic poles of one and the other polarities obliquely arranged with respect to a radial line; electromagnet means, which is disposed facing this rotor, for developing a magnetic field which faces the magnetic field of the permanent magnet means of the rotor and detecting means for detecting rotating position of the rotor to allow the electromagnet means to be energized. According to another aspect of the present invention, there is provided a magnetic rotating apparatus comprising a rotating shaft a rotor which is fixed to the rotating shaft and which has disposed thereon a plurality of permanent magnets and balancers for balancing rotation, the permanent magnets being disposed such that one magnetic polarity type is arranged along an outer peripheral surface in the direction of rotation and the other magnetic polarity type arranged along an inner peripheral surface, with each pair of corresponding magnetic poles of one and the other polarities obliquely arranged with respect to a radial line; an electromagnet, which is disposed facing this rotor, for developing a magnetic field which produces the other magnetic polarity type on the facing surface; and energizing means for intermittently energizing the electromagnet means from where the leading permanent magnet, based on the rotation of the rotor, passes the facing surface of the electromagnet in the direction of rotation. According to still another aspect of the present invention, there is provided magnetic rotating apparatus comprising a rotating shaft; a first rotor which is fixed to the rotating shaft and which has disposed thereon permanent magnet means and means for balancing rotation, the permanent magnet means being disposed such that a plurality of magnetic poles of the second polarity type is arranged along an outer peripheral surface in the direction of rotation, and a plurality of magnetic poles of the first pole type arranged along an inner peripheral surface, with each pair of corresponding magnetic poles of one and the other polarities obliquely arranged with respect to a radial line; a second rotor which rotates along with the first rotor and is fixed to the rotating shaft, having disposed thereon a plurality of permanent magnets and balancers for balancing rotation, the permanent magnets being disposed such that one magnetic polarity type is arranged along an outer peripheral surface in the direction of rotation and the other magnetic polarity type arranged along an inner peripheral surface, with each pair of corresponding magnetic poles of one and the other polarities obliquely arranged with respect to a radial line a first and a second electromagnet means, which are magnetically connected and disposed facing the first and second rotors, respectively, for developing a magnetic field which faces the magnetic field of the permanent magnet means of the first and second rotors; and detecting means for detecting rotating position of the rotors to allow the electromagnet means to be energized. The nature, principle and utility of the invention will become more apparent from the following detailed description when read in conjunction with the accompanying drawings.
BRIEF DESCRIPTION OF THE DRAWINGS In the accompanying drawings: FIG. 1 is a perspective view schematically illustrating a magnetic rating apparatus according to one embodiment of the present invention FIG. 2 is a side view of the magnetic rotating apparatus illustrated in FIG. 1; FIG. 3 is a plan view of a rotor of the magnetic rotating apparatus illustrated in FIGS. 1 and 2;
FIG. 4 is a circuit diagram illustrating a circuit in the magnetic rotating apparatus shown in FIG. 1; FIG. 5 is a plan view showing a magnetic field distribution formed between the rotor and the electromagnet of the magnetic rotating apparatus shown in FIGS. 1 and 2, and FIG. 6 is an explanatory view illustrating a torque which causes rotation of the rotor of the magnetic rotating apparatus shown in FIGS. 1 and 2. DESCRIPTION OF THE PREFERRED EMBODIMENTS The magnetic field developed by an electromagnet means and that of a permanent magnet means of a rotor repel each other. In addition, the magnetic field of the permanent magnet means is flattened by the magnetic fields of other nearby permanent magnets and electromagnet means. Therefore, a torque is produced therebetween to efficiently rotate the rotor. Since the rotor has a high inertial force, when the rotor starts rotating, its speed increases by the inertial force and the turning force. A magnetic rotating apparatus related to one embodiment of the present invention will be described with reference to the following drawings. FIGS. 1 and 2 are schematic diagrams of a magnetic rotating apparatus related to one embodiment of the present invention. In the specification, the term "magnetic rotating apparatus" will include an electric motor, and from its general meaning of obtaining turning force from the magnetic forces of permanent magnets, it will refer to a rotating apparatus utilizing the magnetic forces. As shown in FIG. 1, in the magnetic rotating apparatus related to one embodiment of the present invention, a rotating shaft 4 is rotatably fixed to a frame 2 with bearings 5. To the rotating shaft 4, there are fixed a first magnet rotor 6 and a second magnet rotor 8, both of which produce turning forces and a rotated body 10, which has mounted therealong a plurality of rod-shaped magnets 9 for obtaining the turning forces as energy. They are fixed in such a manner as to be rotatable with the rotating shaft 4. At the first and second magnet rotors 6 and 8, there are provided, as will be described later in detail with reference to FIGS. 1 and 2, a first electromagnet 12 and a second electromagnet 14 respectively are energized in synchronism with rotations of the first and second magnet rotors 6 and 8, both of which face each other and are each disposed in a magnetic gap. The first and second electromagnets 12 and 14 are respectively mounted to a yoke 16, which forms a magnetic path. As shown in FIG. 3, the first and second magnet rotors 6 and 8 each have disposed on its disk-shaped surface a plurality of tabular magnets 22A through 22H for developing a magnetic field for generating the turning forces and balancers 20A through 20H, made of non-magnetic substances, for balancing the magnet rotors 6 and 8. In the embodiments, the first and second magnet rotors 6 and 8 each have disposed along the disk-shaped surface 24 at equal intervals the eight tabular magnets 22A through 22H along half of the outer peripheral area and +the eight balancers 20A through 20H along the other half of the outer peripheral area.
As shown in FIG. 3, each of the tabular magnets 22A through 22H are disposed so that its longitudinal axis 1 makes an angle D with respect to a radial axis line 11 of the disk-shaped surface 24. In the embodiment, an angle of 30 degrees and 56 degrees have been confirmed for the angle D. An appropriate angle, however, can be set depending on the radius of the disk-shaped surface 24 and the number of tabular magnets 22A through 22H to be disposed on the disk-shaped surface 24. As illustrated in FIG. 2, from the viewpoint of effective use of the magnetic field, it is preferable that the tabular magnets 22A through 22H on the first magnet rotor 6 are positioned so that their N-poles point outward, while the tabular magnets 22A through 22H on the second magnet rotor 8 are positioned so that their S-poles point outward. Exterior to the first and second magnet rotors 6 and 8, the first and second electromagnets 12 and 14 are disposed facing the first and second magnet rotors 6 and 8 respectively in the magnetic gap. When the first and second electromagnets 12 and 14 are energized, they develop a magnetic field identical in polarity to the their respective tabular magnets 22A through 22H so that they repel one anther. In other words, as shown in FIG. 2, since the tabular magnets 22A through 22H on the first magnet rotor 6 have their N-poles facing outwards, the first electromagnet 12 is energized so that the side facing the first magnet rotor 6 develops an N-polarity. In a similar way, since the tabular magnets 22A through 22H on the second magnet rotor 8 have their S-poles facing outwards, the second electromagnet 14 is energized so that the side facing the tabular magnets 22A through 22H develops a S-polarity. The first and second electromagnets 12 and 14, which are magnetically connected by the yoke 16, are magnetized so that the sides facing their respective magnet rotors 6 and 8 are opposite in polarity with respect to each other. This means that the magnetic fields of the electromagnets 12 and 14 can be used efficiently. A detector 30, such as microswitch, is provided to either one of the first magnet rotor 6 or second magnet rotor 8 to detect the rotating position of the magnet rotors 6 and 8. That is, as shown in FIG. 3, in a rotational direction 32 of the tabular magnets 22A through 22H, the first and the second magnet rotors 6 and 8 are respectively energized when the leading tabular 22A has passed. In other words, in the rotational direction 32, the electromagnet 12 or 14 is energized when starting point So, located between the leading tabular magnet 22A and the following tabular magnet 22B coincides with the center point Ro of either the electromagnet 12 or 14. In addition, as illustrated in FIG. 3, in the rotational direction 32 of the tabular magnets 22A through 22H, the first and the second magnet rotors 6 and 8 are de-energized when the last tabular magnet 22A has passed. In the embodiment, an end point Eo is set symmetrical to the starting point So on the rotating disk-shaped surface 24. When the end point Eo coincides with the center point Ro of either the electromagnet 12 or 14, the electromagnet 12 or 14 is de-energized, respectively. As will be described later, with the center point Ro of the electromagnet 12 or 14 arbitrarily set between the starting point So and the end point Eo, the magnet rotors 6 and 8 start to rotate when the electromagnets 12 and 14 and their tabular magnets 22A through 22H face one another. When a microswitch is used as the detector 30 for detecting the rotating position, the contact point of the microswitch is allowed to slide along the surface of the rotating disk-shaped surface 24. A step is provided for the starting point So and the end point Eo so that the contact of the microswitch closes between the starting point So and the end point Eo. The area along the periphery therebetween protrudes beyond the other peripheral areas of the rotating disk-shaped surface 24. It is apparent that a photo sensor or the like may be used instead of the microswitch as the detector 30 for detecting the rotating position. As shown in FIG. 4, the windings of the electromagnets 12 and 14 are connected to a DC power source 42 through a movable contact of a relay 40, which is connected in series with the windings. A series circuit containing the relay 40 (solenoid) and the detector 30 or microswitch is connected to the DC power source 42. In addition, from the viewpoint of energy conservation, a charger 44 such as a solar cell is connected to the DC power source 42. It is preferable that the DC power source 42 is constantly chargeable using solar energy or the like. In the magnetic rotating apparatus illustrated in FIGS. 1 and 2, a magnetic field distribution shown in FIG. 5 is formed between the tabular magnets 22A through 22H, disposed on each of the magnet rotors 6 and 8, and the electromagnets 12 and 14 which face them, respectively. When the electromagnet 12 or 14 is energized, a magnetic field of a tabular magnet of the tabular magnets 22A through 22H, adjacent to the electromagnet 12 or 14, is distorted in the longitudinal direction in correspondence with the rotational direction. This results in the generation of a repulsive force therebetween. As is apparent from the distortion of the magnetic field, the repulsive force has a larger component in the longitudinal or perpendicular direction, and produces a torque, as shown by an arrow 32. Similarly, a magnetic field of a tabular magnet of the tabular magnets 22A through 22H, which next enters the magnetic field of the electromagnet 12 or 14, is distorted. the repulsive force produced between the tabular magnets of the tabular magnets 22A through 22H, which have already entered the magnetic field of the electromagnets, a repulsive force operates between both of the poles M and M' of the tabular magnet at the rotating side and the electromagnet at the stationary side, respectively. Therefore, from the relationship illustrated in FIG. 6, an angular torque T is generated based on the formula: T=F. a.cos (.alpha.-.beta.), where in a is a constant. The angular torque starts the rotation of the rotating disk-shaped surface 24. After the rotating disk-shaped surface 24 has started rotating, its rotating speed gradually increases due to an inertial moment thereof, which allows a large turning driving force to be produced. After a stable rotation of the rotating disk-shaped surface 24 has been produced, when a necessary electromotive force can be developed in an electromagnetic coil (not illustrated) by externally bringing it near a rotated body 10 to be rotated along with the rotating disk-shaped surface 24. This electric power can be used for other applications. This rotating principle is based on the rotating principle of the magnetic rotating apparatus already disclosed in Japanese Patent Publication No. 61868/1993 (U.S. Pat. No. 4,751,486) by the inventor. That is, even if an electromagnet, provided for one of the rotors of the magnetic rotating apparatus disclosed in the same Patent Application, is fixed, it is rotated in accordance with the rotating principle disclosed therein. For details, refer to the above Japanese Patent Publication No. 61868/1993 (U.S. Pat. No. 4,751,486).
The number of tabular magnets 22A through 22H is not limited to "8" as shown in FIGS. 1 and 3. Any number of magnets may be used. In the above-described embodiment, although the tabular magnets 22A through 22H are disposed along half of the peripheral area of the disk-shaped surface 24, and the balancers 20A through 20H are disposed along the other half of the peripheral area, the tabular magnets may further be disposed along other areas of the disk-shaped surface 24. It is preferable that balancers, in addition to magnets, are provided along a portion of the peripheral area on the disk-shaped surface. The counter weights, which do not need to be formed into separate blocks, may be formed into one sheet of plate which extends on the outer peripheral area of the disk-shaped surface. In addition, in the above-described embodiments, while the construction is such as to allow the electromagnets to be energized for a predetermined period of time for every rotation of the rotating disk-shaped surface, the circuit may be so constructed as to allow, upon increased number of rotations, energization of the electromagnets for every rotation of the rotating disk-shaped surface, starting from its second rotation onwards. Further, in the above-described embodiment, a tabular magnet has been used for the permanent magnet, but other types of permanent magnets may also be used. In effect, any type of magnet may be used as the permanent magnet means as long as a plurality of magnetic poles of one type is disposed along the outer surface of the inner periphery and a plurality of magnetic poles of the other type are disposed along the inner peripheral surface of the disk-shaped surface, so that a pair of corresponding magnetic poles of one and the other polarities is obliquely arranged, with respect to the radial line 11, as shown in FIG. 3. Although the tabular magnets 22A through 22H are mounted on the magnet rotors 6 and 8 in the above embodiment, they may be electromagnets. In this case, the electromagnets 12 and 14 may be the alternative of electromagnets or permanent magnets.
According to the magnetic rotating apparatus of the present invention, rotational energy can be efficiently obtained from permanent magnets. This is made possible by minimizing as much as possible current supplied to the electromagnets, so that only a required amount of electrical energy is supplied to the electromagnets. It should be understood that many modifications and adaptations of the invention will become apparent to those skilled in the art and it is intended to encompass such obvious modifications and changes in the scope of the claims appended hereto. KeelyNet: BBS Posting from Henry Curtis (11-18-1997)
Korean Magnetic Perpetual Motion Wheel I must apologize for not having all the details of this interesting device but will update the file when I get more info from the source. In email communications with John Schnurer, I happened to mention it and he's been on me since then to send him a diagram, yet I felt like it would simply be confusing because its operation is not clear or readily apparent from the information I had.The information that I have comes directly from long time friend Henry Curtis of Colorado. We both attended the 1997 ISNE conference in Denver and Henry was telling about this interesting machine he had seen while on a trip to the Phillipines. He said there was a free energy conference held there and he noticed a spinning bicycle wheel that was attached to a stand that sat on a table.The wheel was running when he first saw it, yet there did not appear to be any driving force such as a motor, belts, gears, etc..Henry said he watched it for quite awhile and it never stopped running. On expressing curiosity about the wheel, he was invited to stop it and start it up without any outside assistance.Henry reports the wheel was brought to a complete stop, then he gave it a spin with his hand and it began moving on its own. I am uncertain if it followed the tendency of other such devices to establish its own speed. Some devices like this can be spun up to high speed from an outside source, then will slow to a speed which is determined by the geometry and strength of the repelling or attracting forces that operate it.Henry swears it was the neatest thing he'd ever seen and drew a crude diagram of the arrangement on my notepad. Unfortunately, we were a bit rushed and I did not achieve a complete understanding of how it operated. That is why I did not want to blow smoke about it until more detail had been received, god knows, we don't need any more of that.However, perhaps someone can figure it out from the limited information I do have. The following drawing shows the wheel arrangement, one half was weighted, the other half had slanted magnets. I do not know whether they are all repelling, attracting or a mix of these forces. As you can imagine, the weight of the magnets must equal the weight of the other half of the wheel to balance out. Apparently the force of the magnetic repulsion or attaction provides the actual imbalance.Henry also said there was a patent on this device that is dated January 14, 1997. The inventor is a Japanese man named Minatu. The spelling of this name is uncertain. I did a search on the IBM server but found nothing even remote. Henry specifically said this was a United States patent. So, here it is. Perhaps Henry can come up with some more detail which can be used to update this file in future. Good luck.... KeelyNet: Update and Corrections from Henry Curtis (Wed, 19 Nov 1997) ~
From: Henry Curtis ~ To: Jerry Decker Subject: Bicycle wheel correction and update Jerry, Again we see that communication is difficult and memories are fallable. Obviously I am remiss in not having sent this to you months ago as I intended to, but as a sage of old observed "The spirit is willing, but the flesh is slow." During the first weekend of May, 1997, a group in Soeul, Korea headed up by Mr. Chi San Park, held The First International New Energy Conference in Seoul, Korea. I attended this conference and gave a talk on various approcahes to free energy. It was at this conference in Seoul, Korea that I saw the bicycle wheel and had the opportunity to work with it unattended by anyone else.The inventor is Kohei Minato, a Japanese rock musician, who reports that he has spent a million dollars out of his own pocket developing magnetic motors, because the world needs a better source of energy. He has several patents in various countries. His latest patent that I am aware of is United States Patent # 5,594,289. His development efforts have gone in the general direction of the Adams motor which the above patent is similar to. He had a working prototype of this design at the conference and reported that it used 150 watts power input and produced 450 watts output on a sustained basis. About a year ago CNN (in the US) had a 10 minute segment about him and his motors. In this video he is shown demonstrating two of his magnetic motors. I have a copy of this film clip that he gave to me. I will make a copy and send it to you. Unfortunately, the editors were not attuned to technical details and the pictures of the running machines show little useful detail. The Phillipine connection that you mention is completely erroneous. It was in Korea. The drawing on the web site is essentially correct with the following exceptions. The counter weight is a single curved piece of aluminum covering 180 degrees. Each of the several individual magnets on the other half of the wheel are slightly asymmetric, crescent shaped and nested. They are magnetised end to end with the N poles out. The motor is actuated by moving the N pole of a large permanet magnet (the drive magnet) toward the wheel. As this magnet is moved toward the wheel, the wheel starts to spin. As the magnet is moved closer to the wheel it spins faster. The acceleration of the wheel is rapid. So rapid in fact, as to be startling. To put it another way I was very impressed. The motor works. And it works very well. In the film clip a slight pumping action of Minato's hand holding the magnet is apparent. When I braced my hand so that there was no pumping action, the motor still ran. In fact it seemed to run better. Pumping action by the hand held magnet is not the power that drives the motor. When the drive magnet is moved away from the wheel it coasts rather quickly to a stop and comes to rest in a manner typical of any spinning bicycle wheel. Again when the wheel is at rest and a large magnet is moved up to the wheel it starts to spin. At no time is it necessary to touch the wheel to get it to rotate. Simply bring the N pole of a large magnet several inches from the wheel. The particular orientation of the wheel when it is at rest seems to have no effect on how well it starts to turn. Irrespective of how the wheel and the magnets on it are sitting; move the drive magnet near, it starts to spin. Move the magnet closer it spins faster. Move the magnet further away it slows up. The wheel was mounted on a stand made of aluminum angle pieces bolted together similar to the diagram in the above mentioned patent. The axle of the wheel was mounted parellel to the surface of the planet. I have attached a rough diagram of the wheel. Apparently the geometry of the magnets on the wheel is very important and subtle. I have built several small models none of which have shown the free energy effects of Minato's machine. The conference in Seoul was attended by several hundred people, most appeared to be under 40 and evenly divided between men and women. Presenters were from Korea, US, Japan, and China. Simultaneous translation was provided for all talks in the 3 day conference. Jerry, I hope this information is useful. I may be contacted by e-mail at mailto:hcurtis@mindspring.com or by phone at 303.344.1458.
KeelyNet: Email from Gene Mallove at Infinite Energy ~ I spoke to Bob Vermillion of Tri-Cosmos Development (Los Angeles, CA 310-284-3250 or fax 310-284-3260) today, just before he left for the three-day demonstrations of the Minato magnetic motor being held in Mexico City, Mexico on July 8, 9, 10th.Three (3) Minato Motors (MM), covered by US Patents # 5,594,289 (Jan 14, 1997) and # 4,751,486 (June 14, 1988), have been brought over from Japan. One was allegedly tested last evening by Grupo Bufete Industrial (supposedly one of the largest power generation construction companies in Mexico and South America). The company engineers were said (by Vermillion) to have measured an output /input ratio of 4.3 / 1. The printed literature, which I received in a Fedex packet from Vermillion states that the device can put out 500 watts (maximum) with an input of 34 watts.For those of you who wonder why the device is not self-sustaining -- oral info from Vermillion is that Minato *will* in the course of one of the demonstrations *remove the battery power supply* and let the device self-run -- presumably with a load. The press release makes no bones about the physics-busting character of the MM: "As rotations per minute (rpm's) increase, the electromagnetic consumption of the stator decreases. This phenomenon is in direct conflict with accepted laws of physics and is achieved through the repelling magnetic fields. It operates without heat, noise, or pollution of any kind. It can be produced in size from ultra-small to very large." It is said in the press release that applications from cell phones to laptop computers are under development. Vermillion told me of other parties who were planning to attend the demonstrations, which will be conducted both in public displays and with private party measurements. These include: ENRON, Bechtel, Tejas (a division of Shell Oil Corporation), Fluor Daniels, Kellogg Corp. .He told me that Hal Fox of New Energy News and the Fusion Information Center will be there (I confirmed with Hal that he will be there and will give us a full report.) I considered going myself (I was invited), but I trust Hal Fox to provide a full report --
Bradford, PA. November 2019.
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If you would like to use THIS picture in any sort of media elsewhere (such as newspaper or article), please send me a Flickrmail or send me an email at natehenderson6@gmail.com
A permanent crafts market, built on the grounds of an old Dominican chruch and farm.
In the 1980s, artists and artisans took over the farm’s old cellars and stables in the eastern part of the park and built more small shops, using traditional, colonial-style adobe, to form the Pueblito de Los Dominicos.
"I hope they never open." says Frank.
Scenes such as this always remind me of Tutankhamun's tomb as it appeared when Howard Carter looked into it for the first time. When Lord Carnarvon asked “Can you see anything?”, Carter replied with the famous words:
“Yes, wonderful things!”
Oysterville Store, Oysterville, Washington.
january image from our permanent #Zerowaste PinArt calendar with Alice Francis
You can order the calendar directly at www.alicefrancis.de/shop
Monroil is our trash interpretation of Marilyn Monroe
...has settled permanently in our backyard. First it visited the feeding station every day, then it often paused on the arch between her meals. It now stays day and night and has set up its sleeping place sheltered from rain and wind above the door to the terrace.
Domestic pigeon, not ringed
(Columba livia f. domestica)
Haustaube, nicht beringt
Ein neues Haustier ...
... hat sich auf unserem Gundstück dauerhaft niedergelassen. Zuerst besuchte sie täglich die Futterstelle, dann pausierte sie öffters zwischen ihren Mahlzeiten auf dem Rundbogen. Inzwischen ist sie Tag und Nacht anwesend und hat sich Ihren Schlafplatz geschützt vor Regen und Wind über der Tür zur Terrasse eingerichtet.
64 has finished its work is now heading back to the depot at Willits, passing a crossover forever lined towards Fort Bragg.
An old photograph of Leeds City Tramways (LCT) 'Beeston Air Brake' car No. 375 being broken up at Lowfields Road Permanent Way Yard prior to the remains being burned in July 1952.
A photo of No. 375 taken at Chapel Allerton is here:-
The photo reverse is annotated with "Leeds 375 in scrapyard 1952", and stamped with the photographer (and/or negative owner) name of Robert F. Mack (Bob Mack).
No. 375 was built as a fully enclosed car built at the LCT Kirkstall Road Works seating 24/46 and running on a 4-wheel Peckham P22 truck. It first went into service Mar 1924, was the last car built with 'reversed stairs', and had an EMB air brake fitted in Oct 1926. It was last in service Jun 1952 and the following month was burned at Lowfields Road Permanent Way Yard.
The parts of the Leeds tramways systems that had not already been withdrawn or transferred to bus operation closed in Nov 1959.
If there are any errors in the above description please let me know. Thanks.
📷 Any photograph I post on Flickr is an original in my possession, nothing is ever copied/downloaded from another location. 📷
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The Yorkshire Sculpture Park is an open-air gallery in West Bretton near Wakefield in West Yorkshire, England, showing work by British and international artists, including Henry Moore and Barbara Hepworth. The park's collection of works by Moore is one of the largest open-air displays of his bronzes in Europe. The sculpture park occupies the parkland of Bretton Hall and straddles the border of West Yorkshire and South Yorkshire.
The Yorkshire Sculpture Park was the UK's first sculpture park based on the temporary open air exhibitions organised in London parks from the 1940s to 1970s by the Arts Council and London County Council (and later Greater London Council). The 'gallery without walls' has a changing exhibition programme, rather than permanent display as seen in other UK sculpture parks such as Grizedale Forest.
Permanently allocated to driver training duties, Trent Barton 124 still carries it's original trent livery, albeit minus its Trent logos. Rarely seen, the bus is pictured passing through Trowell, Notts on 02 July 2015.
Mr. Jacobs had expected the 3 freshman girls to report for detention at 2:45 PM sharp. Little did he know the tables were going to be turned on him and it was he, not them who was going into detention, forever.
Copyright Robert W. Dickinson. Unauthorized use of this image without my express permission is a violation of copyright law.
Canon 70D and Canon EF-S 17-55mm f2.8 IS lens.
Revolta Permanent taldea, Bilboko Kafe Antzokian, Ultravioleta disko berria aurkezten. Argazki gehiago / Mas fotos
Volcan LLaima : Posee una altura de 3.125 mts. Es el más voluminoso de la zona , tiene 2 cimas con fumarolas permanentes y el cráter mayor tiene 350 metros de diámetro. Presenta glaciares de 14 km² de superficie y es muy activo, ya tenido 49 erupciones históricas, siendo las mayores de este siglo pasado en 1927 y 1957, habiendo ocurrido la última en 1994.Su nombre tiene dos significados en Mapudungun (lengua mapuche), resucitado y zanja.