The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 23, 2001
Filed:
May. 04, 1999
Keita Ozeki, Ichinomiya, JP;
TRW Steering Systems Japan Co. Ltd., Aichi-ken, JP;
Abstract
In the power steering apparatus, a casing comprises integrated separate sections of a valve casing in which a control valve is incorporated, a cylinder tube of a power cylinder, and a gear casing in which a steering gear is incorporated. In the cylinder tube are formed a pair of supply/discharge passages, which are parallel to the axial direction of the cylinder tube, and through which hydraulic fluid flows into/from the power cylinder. In the gear casing are formed, by casting, a pair of pipes which communicate with a pair of supply/discharge passages. In the valve casing are formed a pair of supply/discharge ports which communicate with the pair of pipes.