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. 11, 1992
Filed:
Jul. 20, 1990
Fuji Jukogyo Kabushiki Kaisha, Tokyo, JP;
Abstract
An electric power steering device in which current supplied to an electric motor is controlled in dependence on the torsional torque transmitted through the steering wheel shaft. And power steering is assisted by the rotation of the motor. The method comprises the steps of presetting a steering angle which is in the vicinity of the maximum steering angle and is less by a specific angle than the maximum steering angle; establishing the motor current value determined in dependence on the torsional torque at the time when the actual steering angle reaches the steering angle which is preset as the motor current limiting value at that time; and controlling the power steering device to assist steering by the motor current limiting value even though the torsional torque increases.