Title:
POWER STEERING DEVICE
Document Type and Number:
Japanese Patent JP2005247226
Kind Code:
A
Abstract:
To provide a power steering device having a switching valve equipped with required liquid-tightness.
The power steering device supplies hydraulic pressure to both pressure chambers of a hydraulic cylinder by a reversible pump through first and second passages. A switching valve provided in a communicating passage communicating the first passage and the second passage is structured by a poppet valve.
Inventors:
YOKOTA TADAHARU
SOEDA ATSUSHI
SOEDA ATSUSHI
Application Number:
JP2004063287A
Publication Date:
September 15, 2005
Filing Date:
March 08, 2004
Export Citation:
Assignee:
HITACHI LTD
International Classes:
B62D5/07; B62D5/065; B62D5/09; B62D5/30; B62D6/00; F16D31/02; (IPC1-7): B62D5/07; B62D5/30
Attorney, Agent or Firm:
Masamichi Ayata
Satoru Asakura
Satoru Asakura