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:
Dec. 27, 2011
Filed:
Oct. 17, 2008
Takuya Yamaguchi, Wako, JP;
Yoshimitsu Akuta, Wako, JP;
Takuya Yamaguchi, Wako, JP;
Yoshimitsu Akuta, Wako, JP;
Honda Motor Co., Ltd., Tokyo, JP;
Abstract
There is provided a steering system allowing a comfortable steering operation even if a driver quickly turns a steering wheel when a transfer ratio is quickened in a low vehicle speed range. In the steering system that changes the transfer ratio of a steering angle of the steering wheel to a turning angle of a turning wheel by a variable transfer ratio mechanism and generates auxiliary power by an electric power steering unit, a variable transfer ratio mechanism controlling ECU has a switching section for switching a transfer ratio modulating mode of setting a rotational angle of a transfer ratio variable motor used in the variable transfer ratio mechanism so that the transfer ratio is set at a target transfer ratio corresponding to vehicle speed with a steering torque modulating mode of reducing an electric current for driving the motor so as to reduce steering power of the steering wheel.