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:
Apr. 02, 2002
Filed:
Oct. 05, 2000
Tomoyasu Kada, Kaizuka, JP;
Shiro Nakano, Chihayaakasaka-mura, JP;
Katsutoshi Nishizaki, Nabari, JP;
Takanobu Takamatsu, Habikino, JP;
Masaya Segawa, Tenri, JP;
Ryouhei Hayama, Nabari, JP;
Koyo Seiko Co., Ltd., Osaka, JP;
Abstract
An electric power steering system which assists a steering operation by controlling an electric motor on the basis of a target electric current determined in accordance with a steering torque applied to an operation member and applying a driving force to a steering mechanism from the electric motor. The system includes steering torque detecting section; target electric current determining circuit for determining a target electric current in accordance with the steering torque on the basis of an assist characteristic; and motor controlling circuit for controlling the electric motor on the basis of the target electric current. The assist characteristic is offset from an initial characteristic when a motor vehicle incorporating the system is in a predetermined turning state.