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:
Sep. 01, 1987
Filed:
Dec. 09, 1985
Toshihiko Daido, Osaka, JP;
Koyo Seiko Co., Ltd., Osaka, JP;
Abstract
A power steering control device in an electronically controlled power steering system in which the degree of opening of an orifice in a liquid pressure circuit is controlled to adjust the steering power assist includes a driver for controlling an actuator for the orifice, a memory for storing, in the form of a table, values set in accordance with a combination of external factors affecting the adjustment of the steering power and orifice opening-degree control data corresponding to the combined values of actual external factors, a detector for detecting the concrete values of the external factors, and an access means for reading an orifice opening-degree control signal from the corresponding memory region in the memory.