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. 16, 2002
Filed:
Feb. 24, 1999
Yoshitaka Kouketsu, Kariya, JP;
Daisuke Satoh, Kariya, JP;
Hiroshi Fukasaku, Kariya, JP;
Takeshi Harasawa, Kariya, JP;
Katsufumi Tanaka, Kariya, JP;
Yoichiro Kashiwagi, Kariya, JP;
Yasuharu Odachi, Kariya, JP;
Kabushiki Kaisha Toyoda Jidoshokki Seisakusho, Kariya, JP;
Abstract
A torque sensor having an improved detection accuracy is disclosed. The torque sensor includes a cylindrical stator. The stator is arranged to face a magnetostrictive member fixed to a shaft. The stator includes a stator body and two retainer rings. When assembling the stator body and the two retainer rings, a pair of exciting coils and a pair of detecting coils are accommodated in the inner wall of the stator. Joints between the stator body and the two retainer rings are not exposed to the inner surface of the stator.