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:
Mar. 05, 1985
Filed:
Oct. 16, 1981
Kunio Okada, Higashimatsuyama, JP;
Sadao Takeshima, Higashimatsuyama, JP;
Shuichirow Tashiro, Higashimatsuyama, JP;
Jidosha Kiki Co., Ltd., Tokyo, JP;
Abstract
In a flow quantity control valve of the type comprising a rod shaped valve moved toward and away from an orifice formed in a fluid passage for controlling flow quantity of an operating fluid supplied to a power steering device of a motor car, for example, and drive means for reciprocating the rod shaped valve with respect to the orifice, there is provided an annular permanent magnet loosely encircling the rod shaped valve and located close to the orifice for attracting and removing magnetic particles contained in the operating fluid where the drive means is constituted by a solenoid coil and a plunger, current supplied to the solenoid coil is adjusted in proportion to a running speed of a motor car.