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. 09, 2013
Filed:
Jan. 13, 2010
Haruki Shirasaka, Anjo, JP;
Masahiro Ito, Anjo, JP;
Tetsuya Shimizu, Anjo, JP;
Kazunori Ishikawa, Toyota, JP;
Kazuhiko Kato, Kariya, JP;
Kenichi Tsuchida, Hazugun, JP;
Nobuo Suzuki, Toyohashi, JP;
Haruki Shirasaka, Anjo, JP;
Masahiro Ito, Anjo, JP;
Tetsuya Shimizu, Anjo, JP;
Kazunori Ishikawa, Toyota, JP;
Kazuhiko Kato, Kariya, JP;
Kenichi Tsuchida, Hazugun, JP;
Nobuo Suzuki, Toyohashi, JP;
Aisin AW Co., Ltd., Anjo, JP;
Abstract
A power transmission device is installed in a vehicle and connected to a power generation source that is capable of outputting power for driving. The power transmission device includes a belt-type continuously variable transmission; a working fluid accumulation portion; a friction engagement element; a first pump; a pressure regulating valve; a friction engagement element pressure regulating valve; a second pump; and a switching valve.