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:
Jan. 01, 2008
Filed:
Oct. 20, 2005
Tomoyuki Fujita, Toyko, JP;
Masamichi Sugihara, Tokyo, JP;
Yoshinobu Yasue, Tokyo, JP;
Hiroyuki Nishiyama, Fuji, JP;
Shingo Hirotsu, Fuji, JP;
Katsutoshi Amano, Fuji, JP;
Tomoyuki Fujita, Toyko, JP;
Masamichi Sugihara, Tokyo, JP;
Yoshinobu Yasue, Tokyo, JP;
Hiroyuki Nishiyama, Fuji, JP;
Shingo Hirotsu, Fuji, JP;
Katsutoshi Amano, Fuji, JP;
Kayaba Industry Co., Ltd., Tokyo, JP;
Jatco Ltd., Shizuoka, JP;
Abstract
In a vane pump disposed inside a transmission case of a continuously variable transmission, a pump case (), a pump drive shaft () rotatably supported by a shaft bore () of the pump case () to rotate a rotor (), and a drain port (), one end thereof being opened to a shaft bore () of the pump drive shaft () and the other end being opened to an outside of the pump case () are provided. A leaked oil flown via the drain port () from a pump discharge side is discharged to an outside of the pump case ().