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. 19, 2011
Filed:
Jan. 25, 2010
Kohtaro Shiino, Kanagawa, JP;
Makoto Kimura, Yokohama, JP;
Toshiro Yoda, Saitama, JP;
Haruhiko Fujita, Tokyo, JP;
Yoshimori Kondo, Kanagawa, JP;
Yoshiki Sakamoto, Kanagawa, JP;
Kohtaro Shiino, Kanagawa, JP;
Makoto Kimura, Yokohama, JP;
Toshiro Yoda, Saitama, JP;
Haruhiko Fujita, Tokyo, JP;
Yoshimori Kondo, Kanagawa, JP;
Yoshiki Sakamoto, Kanagawa, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
An electric power steering apparatus including: a power system board which is received in a housing, which supports a component of a power supply circuit to supply power to a motor; a control system board which is received in the housing, which supports a component of a control circuit to control the motor, and which extends radially with respect to an axis of the motor output shaft; a rotation sensor which is provided in the housing, which is located, in an axial direction of a motor output shaft, between the motor and the control system board, and which is arranged to sense a rotational position of the motor output shaft; and an output terminal which is provided with the rotation sensor, which is connected electrically with the control system board to supply a rotational position signal of the rotation sensor to the control circuit.