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    • 9. 发明专利
    • Superconducting magnetic bearing
    • JP3924662B2
    • 2007-06-06
    • JP12362997
    • 1997-05-14
    • 株式会社ジェイテクト
    • 浩徳 亀野良一 高畑
    • F16C32/04H02J15/00
    • F16C32/0438F16C37/005
    • PROBLEM TO BE SOLVED: To provide a superconducting magnetic bearing to always completely cool a superconductor in a cooling liquid circulation container and produce an excellent supercondution state. SOLUTION: A superconducting magnetic bearing 20 is provided with a superconductor part 21 on the housing 3 and a permanent magnet part 2 on the rotary body 1 side. The superconductor part 21 comprises a cooling space 30 to circulate cooling liquid; a cooling liquid circulation container 26 provided with a cooling liquid outflow line 38 to effect outflow of cooling liquid through a cooling liquid inflow line 36 to effect inflow of cooling liquid to the cooling space 30 and effect outflow of cooling liquid from the interior of the cooling space 30; and a superconductor 9 arranged in the cooling space 30. A permanent magnet part 2 has a permanent magnet 6 arranged opposite to the superconductor 9 through the wall 27c of the cooling liquid circulation container 26. The cooling liquid outlet 36a to the cooling space 30 of the cooling liquid inflow line 36 is positioned at the lower part of the cooling space 30, and the cooling liquid inlet 38a from the cooling space 30 of the cooling liquid outflow line 38 is positioned at the upper part of the cooling space 30.