Title:
ROLLING SUPPORT DEVICE
Document Type and Number:
Japanese Patent JP2004169717
Kind Code:
A
Abstract:
To provide a rolling support device which can be suitably used for a compressor for a fuel cell and a compressor by prolonging the service lifetime by preventing corrosion and wear from occurring even if water intrudes and which is excellent in acoustic service lifetime characteristics.
The ball coupling 20 is used as a rotation prevention mechanism which prevents a revolving scroll 3 of a scroll type compressor 1 for the fuel cell from rotating on its own axis and in which a ball B is interposed between a movable race 23 and a fixed race 24 so as to be capable of rolling. At least one of the movable race 23, the fixed race 24, and the ball B is made of corrosion-resistant steel.
Inventors:
YAMAMURA KENJI
Application Number:
JP2002332614A
Publication Date:
June 17, 2004
Filing Date:
November 15, 2002
Export Citation:
Assignee:
NSK LTD
International Classes:
F16C33/58; C22C38/00; C22C38/18; F16C33/32; H01M8/04; (IPC1-7): F16C33/58; F16C33/32
Attorney, Agent or Firm:
Tetsuya Mori
Yoshiaki Naito
Cui Shu Tetsu
Yoshiaki Naito
Cui Shu Tetsu
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