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:
May. 28, 2019
Filed:
Sep. 26, 2014
Aisin Aw Co., Ltd., Anjo-shi, Aichi-ken, JP;
AISIN AW CO., LTD., Anjo-shi, Aichi-ken, JP;
Abstract
In a lock-up clutch of a starting device, a one-sided friction plate is adopted as a first friction engagement plate fitted with a clutch hub on the power input side and a second friction engagement plate fitted with a clutch drum on the power output side; an engagement oil chamber is defined between a lock-up piston and a flange member; a supply oil passage through which working oil is supplied to the first and second friction engagement plates and is defined between the lock-up piston and a front cover; a return oil passage for the working oil which has passed through the first and second friction engagement plates and is defined on the side of the flange member opposite to the lock-up piston; and the return oil passage communicates with the supply oil passage.