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Superconducting magnet
专利权人:
发明人:
Ryo Eguchi,Shoichi Yokoyama,Hajime Tamura,Tatsuya Inoue
申请号:
US14903459
公开号:
US09799433B2
申请日:
2013.07.11
申请国别(地区):
US
年份:
2017
代理人:
摘要:
A superconducting magnet includes a superconducting coil, a refrigerant container, a radiation shield, a vacuum container, a refrigerating machine cooling an interior of the refrigerant container, a tubular current lead passing from outside of the vacuum container to inside of the refrigerant container electrically connected to the superconducting coil, a power source electrically connected to the current lead, a manometer measuring a pressure inside of the refrigerant container, a thermometer to measure a temperature of the current lead, and a control unit connected to each of the power source, the manometer, and the thermometer. The control unit raises an output of the power source to vary a value of a current flowing into superconducting coil only when a measurement value of the manometer is higher than or equal to a set value and a measurement value of the thermometer is lower than or equal to a set value.
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