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. 31, 1978
Filed:
Jul. 19, 1976
Applicant:
Inventor:
Mitsuhiko Ezoe, Yokosuka, JA;
Assignee:
Nissan Motor Co., Ltd., , JA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B62D / ;
U.S. Cl.
CPC ...
180143 ; 361236 ;
Abstract
A control circuit for power steering units of automotive vehicles comprises a wheel speed sensor generating an electrical signal representative of the wheel speed and an RC timing circuit for charging the signal and discharging the stored electrical signal in response to rapid changes in wheel speed. The voltage developed in the RC circuit is coupled to an amplifier through a field-effect transistor to generate an energization current that drives a control valve which in turn regulates the pressure of the working fluid to the power steering unit.