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:
Aug. 30, 2011
Filed:
Nov. 12, 2007
Kosuke Yamanaka, Kashihara, JP;
Kosuke Yamanaka, Kashihara, JP;
JTEKT Corporation, Osaka-shi, JP;
Abstract
A configuration is provided which includes a differential gear-type transfer ratio varying mechanism interposed between an input shaft which rotates as a steering wheel is operated and an output shaft which rotates in conjunction with operation of a steering mechanism for permitting a differential operation between both the shafts, the configuration including a transfer ratio control motor for applying a rotational force to the output shaft, a reaction force control motor for applying a rotational force to the input shaft, and a steering control unit for controlling and driving the transfer ratio control motor to obtain a rotation transfer ratio that is predetermined according to operation of the steering wheel and controlling and driving the reaction force control motor to apply a predetermined reaction force to the steering wheel.