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:
Apr. 22, 2014
Filed:
Mar. 31, 2010
Yasuo Shimizu, Shimotsuke, JP;
Atsuhiko Yoneda, Utsunomiya, JP;
Yutaka Arimura, Utsunomiya, JP;
Yoshihiro Oniwa, Utsunomiya, JP;
Yasuo Shimizu, Shimotsuke, JP;
Atsuhiko Yoneda, Utsunomiya, JP;
Yutaka Arimura, Utsunomiya, JP;
Yoshihiro Oniwa, Utsunomiya, JP;
Honda Motor Co., Ltd., Tokyo, JP;
Abstract
Disclosed are a magnetostrictive torque sensor and an electrical power steering device, wherein a first torque sensor has: one magnetostrictive film provided on a steering shaft; a first coil and a second coil that detect changes in the magnetic characteristics of the magnetostrictive film; and a first housing that contains, at least, the steering shaft, the magnetostrictive film, the first coil, and the second coil. The first housing has a resin part, a cylindrical part made of a metal that is soft magnetic, and a flange part made of a metal that is soft magnetic. The resin part, the cylindrical part, and the flange part are formed as a unit.