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Title:
パワーステアリング装置
Document Type and Number:
Japanese Patent JP4351583
Kind Code:
B2
Abstract:
A power steering apparatus includes an input shaft, an output shaft, a piston arranged to separate a first hydraulic chamber and a second hydraulic chamber, a ball screw mechanism, an output member, a control valve configured to supply hydraulic fluid selectively to the first hydraulic chamber through a first connecting passage and to the second hydraulic chamber through a second connecting passage, a first damper valve provided in the first connecting passage, a second damper valve provided in the second connecting passage, and a housing enclosing the piston. The housing is formed with a first valve receiving hole in which the first damper valve is disposed, and a second valve receiving hole in which the second damper valve is disposed.

Inventors:
Shogo Ishikawa
Hideki Takahashi
Application Number:
JP2004152154A
Publication Date:
October 28, 2009
Filing Date:
May 21, 2004
Export Citation:
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Assignee:
株式会社日立製作所
International Classes:
B62D5/07; B62D5/06; B62D5/083; B62D5/24; F15B9/12; F16F9/34; F16K31/53
Domestic Patent References:
JP2002019630A
JP2001158369A
Attorney, Agent or Firm:
Masamichi Ayata



 
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