Title:
【発明の名称】磁気軸受装置
Document Type and Number:
Japanese Patent JP3131619
Kind Code:
B2
Abstract:
This invention discloses a magnetic bearing device comprising a control coil (7) which supports a rotor (1) in vertical direction and a current controller which increases control current according to increase of clearance between the control coil and the rotor, and in which the current controller comprises a gain controller which controls the control current with a larger gain when clearance between the control coil and the rotor is shorter than a certain distance, than when clearance between the control coil and the rotor is longer than the distance.
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Inventors:
Akira Yamamura
Application Number:
JP19107888A
Publication Date:
February 05, 2001
Filing Date:
July 29, 1988
Export Citation:
Assignee:
Ferrotec Co., Ltd.
International Classes:
F16C32/04; F16C39/06; (IPC1-7): F16C32/04
Domestic Patent References:
| JP1137302A |
Attorney, Agent or Firm:
Masahiro Nishimori