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Patent Searching and Data


Title:
POWER STEERING DEVICE
Document Type and Number:
WIPO Patent Application WO/1999/059859
Kind Code:
A1
Abstract:
A power steering device for assisting a steering operation by a hydraulic pressure generated from a hydraulic pump, comprising an electric motor, the hydraulic pump driven by the electric motor, and a control device which is positioned between the electric motor and the hydraulic pump and controls the electric motor all formed integrally with each other, wherein a radiating body is positioned between the control device and the hydraulic pump and a heat generated by the control device is radiated to the hydraulic pump so that the heat generated in the control device can be radiated efficiently, a radiation design can be made without being affected by the atmospheric conditions, and the members of the power steering device can be replaced with low heat resisting members.

Inventors:
MATSUOKA HIROFUMI (JP)
GOTO YOSHIHIRO (JP)
HAMASAKI YOSHIAKI (JP)
Application Number:
PCT/JP1999/002685
Publication Date:
November 25, 1999
Filing Date:
May 20, 1999
Export Citation:
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Assignee:
KOYO SEIKO CO (JP)
MATSUOKA HIROFUMI (JP)
GOTO YOSHIHIRO (JP)
HAMASAKI YOSHIAKI (JP)
International Classes:
B62D5/06; F04B17/03; F04B53/08; F04C11/00; H02K7/14; H02K9/22; H02K11/04; (IPC1-7): B62D5/07
Foreign References:
JPH0166486U1989-04-27
JPH04138174U1992-12-24
Other References:
See also references of EP 0999115A4
Attorney, Agent or Firm:
Kohno, Takao (Tsuriganecho 2-chome Chuo-ku Osaka-shi Osaka, JP)
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