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, 2013
Filed:
Nov. 17, 2010
Ryuichi Sakakibara, Toyota, JP;
Kikuji Hayashida, Toyota, JP;
Kiyotaka Ohtahara, Toyota, JP;
Yoshimasa Kuno, Toyota, JP;
Ryuichi Sakakibara, Toyota, JP;
Kikuji Hayashida, Toyota, JP;
Kiyotaka Ohtahara, Toyota, JP;
Yoshimasa Kuno, Toyota, JP;
Taiho Kogyo Co., Ltd., Toyota-shi, Aichi, JP;
Abstract
A vane pump in which a lubricating oil from an oil supply pipeis supplied to a pump chamberA through an axial direction oil supply holeof an oil supply passage, a diameter direction oil supply hole, and an axial direction oil supply groove. A gas passageincludes a diameter direction gas holeand an axial direction gas groove, and the diameter direction gas holeis made to communicate with the axial direction gas groovewhen the diameter direction oil supply holeis made to communicate with the axial direction oil supply groove