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:
Jul. 31, 2007
Filed:
Oct. 07, 2004
Tetsuji Hayashi, Tokyo, JP;
Tsunefumi Arita, Tokyo, JP;
Hideyasu Ihira, Tokyo, JP;
Kayaba Industry Co., Ltd, Tokyo, JP;
Abstract
The flow control device comprises a supply passage () for supplying hydraulic fluid discharged by a pump () to a power steering output section (); a variable throttle section () situated at an intermediate position of the supply passage (); and a flow control valve () for returning the hydraulic fluid in the supply passage () to the pump inlet side, in accordance with a pressure differential between upstream and downstream of the variable throttle section (). When the pump () is halted, the flow control valve () is impelled by a spring () and closes the variable throttle section (). A throttle passage () is provided for connecting the upstream side and the downstream side of the variable throttle section with the supply passage ().