Title:
SUPERCONDUCTING MAGNETIC BEARING DEVICE
Document Type and Number:
Japanese Patent JPH05272539
Kind Code:
A
Abstract:
PURPOSE: To provide a superconducting magnetic bearing device capable of suppressing the fluctuation of a gap between a superconducting material and a magnet when a load is increased or decreased.
CONSTITUTION: A superconducting material 4 and a permanent magnet 5 are arranged at the lower section of a moving piece 3 to face the permanent magnet 2 of a stator. The repulsion due to the Meissner effect between the superconducting material 4 and permanent magnet 2 is reduced by the repulsion between the permanent magnets 2, 5, and the fluctuation of the levitation quantity of the moving piece 3 is suppressed when a load is applied to the moving piece 3.
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Inventors:
Takami Ozaki
Application Number:
JP6591592A
Publication Date:
October 19, 1993
Filing Date:
March 24, 1992
Export Citation:
Assignee:
NTT Corporation
International Classes:
F16C32/04; (IPC1-7): F16C32/04
Attorney, Agent or Firm:
Fukami Hisaro (2 outside)