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. 26, 2020
Filed:
Dec. 09, 2016
Applicant:
Showa Corporation, Gyoda-shi, JP;
Inventor:
Toshio Nishikawa, Haga-gun, JP;
Assignee:
Showa Corporation, Gyodo-shi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04C 15/06 (2006.01); F01C 21/08 (2006.01); F01C 21/10 (2006.01); F04C 2/344 (2006.01);
U.S. Cl.
CPC ...
F04C 15/06 (2013.01); F01C 21/0809 (2013.01); F01C 21/0863 (2013.01); F01C 21/108 (2013.01); F04C 2/3446 (2013.01); F04C 2210/206 (2013.01); F04C 2240/20 (2013.01); F04C 2240/30 (2013.01);
Abstract
An embodiment provides a vane pump device including a rotation shaft; and a pump unit that discharges oil at multiple discharge pressures, discharges oil to one side in an axial direction of the rotation shaft at a first discharge pressure of the multiple discharge pressures, and discharges oil to the other side in the axial direction at a second discharge pressure of the multiple discharge pressures.