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:
Jul. 26, 2011
Filed:
Oct. 19, 2006
Eiji Kasai, Toyota, JP;
Ippei Yamazaki, Toyota, JP;
Shuji Fujita, Nishikamo-gun, JP;
Yuichiro Ido, Nishikamo-gun, JP;
Yutaka Aoki, Toyota, JP;
Eiji Kasai, Toyota, JP;
Ippei Yamazaki, Toyota, JP;
Shuji Fujita, Nishikamo-gun, JP;
Yuichiro Ido, Nishikamo-gun, JP;
Yutaka Aoki, Toyota, JP;
Toyota Jidosha Kabushiki Kaisha, Toyota-shi, JP;
Abstract
An electric power steering device, including an electric motor supplied with power from a power supply device to generate a predetermined steering assistance force for a steered wheel, and an assistance control device the controls the amount of electrical power supplied to the electric motor, according to the steering state of a steering wheel. The assistance control device detects the power supply voltage of the power supply device. The assistance control device controls the electrical current supplied to the electric motor, so as to maintain the power supply voltage greater than or equal to a set voltage which is set in advance.