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:
Jan. 14, 2014
Filed:
Oct. 29, 2010
Takaaki Sekine, Fujisawa, JP;
Shin Kumagai, Fujisawa, JP;
Yusuke Ota, Fujisawa, JP;
Yasuhiro Iwasaki, Fujisawa, JP;
Yousuke Imamura, Maebashi, JP;
Yusuke Kikuchi, Fujisawa, JP;
Takaaki Sekine, Fujisawa, JP;
Shin Kumagai, Fujisawa, JP;
Yusuke Ota, Fujisawa, JP;
Yasuhiro Iwasaki, Fujisawa, JP;
Yousuke Imamura, Maebashi, JP;
Yusuke Kikuchi, Fujisawa, JP;
NSK Ltd., Tokyo, JP;
Abstract
An electric power steering device includes a steering column in which a steering shaft for transmitting a steering torque is built, an electric motor for transmitting a steering assist force through a gear mechanism in a gearbox to the steering shaft, and a control device for driving and controlling the electric motor. The control device includes a drive circuit module having a switching element for driving the electric motor, and a control module that is mounted on the gearbox for controlling the drive circuit module. The drive circuit module is mounted on a housing of the electric motor.