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:
Dec. 02, 1986
Filed:
Jun. 28, 1984
Hideo Yabe, Hiki, JP;
Ichiro Koike, Higashimatsuyama, JP;
Jidosha Kiki Co., Ltd., Tokyo, JP;
Abstract
Power steering control apparatus utilizing an oil pump comprises a car speed sensor producing a car speed signal, a steering sensor producing a steering signal, a mean car speed calculating circuit, a mean steering quantity calculating circuit, a car speed calculating circuit, pattern memory means storing a plurality of number of revolution characteristics of the oil pump corresponding to different patterns, a selector selecting one of the number of revolution characteristics in accordance with the mean steering quantity and the mean car speed, circuit means for deriving out a number of revolution signal of the oil pump corresponding to the car speed, and control means controlling rotation of the oil pump in accordance with the derived out revolution signal of the oil pump.