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:
Nov. 25, 2008
Filed:
Jul. 26, 2005
Ryuta Miura, Aichi-ken, JP;
Tsunekazu Yamauchi, Aichi-ken, JP;
Yasuo Ozawa, Aichi-ken, JP;
Aisin Seiki Kabushiki Kaisha, Kariya-shi, JP;
Abstract
A viscous fluid coupling device includes: a plate that divides a housing into a reservoir chamber and an operation chamber; communication holes that are provided in the plate and communicate the reservoir chamber and the operation chamber; a rotor that is disposed inside the operation chamber and fixed to one end of a drive shaft and rotates integrally with the drive shaft; a valve that is disposed in the reservoir chamber and opens and closes the communication holes, a rod that is fixed at one end to the valve and fixed at the other end to the inner circumferential side of a vortical bimetal and rotatably supported on the housing; a bimetal holder that fixes an attaching outer end formed by bending the outer circumferential side of the bimetal; and a vibration isolator that is disposed between the bimetal holder and the bimetal.