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:
Feb. 19, 1985
Filed:
May. 26, 1982
Applicant:
Inventors:
Michio Abe, Aichi, JP;
Naoyuki Maeda, Aichi, JP;
Assignee:
Tokai TRW & Co. Ltd., Aichi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B62D / ;
U.S. Cl.
CPC ...
180142 ; 180148 ;
Abstract
An electric-oil pressure power steering system for a vehicle is described which comprises an oil pump driven by an electric motor for supplying power fluid to a power cylinder, a steering wheel connected to a control valve for controlling the supply of the power fluid, and an electronic switching device for controlling the supply of electric power to said motor in response to the change of a vehicle speed, said electronic switching device including a means for controlling continuously the supply of the electric power and a means for controlling discontinuously or variably the supply of the electric power.