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Title:
SUPERCONDUCTIVE BEARING DEVICE
Document Type and Number:
Japanese Patent JPH0681842
Kind Code:
A
Abstract:

PURPOSE: To carry out high speed rotation of a rotary unit by decreasing deflec tion of the rotary unit, and stably supporting it in a noncontact condition.

CONSTITUTION: A superconductive bearing device comprises an annular permanent magnet part 2 concentrically provided in a rotary unit 1 and an annular superconductor part arranged in a fixed part so as to be opposed with a space in the rotary shaft center direction relating to an end face of the permanent magnet part 2. The permanent magnet part 2 is formed of a disk 5 fixedly provided in the rotary unit 1 and an annular permanent magnet 6 arranged in the disk 5. A position adjusting screw 8 possible to adjust a position of the permanent magnet 6 relating to the disk 5 is provided in the permanent magnet part.


Inventors:
TAKAHATA RYOICHI
KAMIYAMA HIROTOMO
Application Number:
JP1992000234508
Publication Date:
March 22, 1994
Filing Date:
September 02, 1992
Export Citation:
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Assignee:
KOYO SEIKO CO
International Classes:
F16C32/04; H02J15/00; (IPC1-7): F16C32/04
Attorney, Agent or Firm:
岸本 瑛之助 (外3名)



 
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