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:
Sep. 10, 2013
Filed:
Oct. 22, 2010
Applicant:
Eckhard Kirchner, Ginsheim, DE;
Inventor:
Eckhard Kirchner, Ginsheim, DE;
Assignee:
GM Global Technology Operations LLC, Detroit, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16H 61/38 (2006.01);
U.S. Cl.
CPC ...
Abstract
A pump arrangement for fluid in an automotive transmission system includes, but is not limited to a first, low-pressure pump stage and a second, high-pressure pump stage, the first pump stage supplying low-pressure fluid to a lubrication/cooling system and to the inlet of second pump stage, which supplies high pressure fluid to a hydraulic control system. Fluid from both systems is returned via a reservoir and filter to the first pump stage.
Kirchner, Eckhard. (2013). Pump arrangement (U.S. Patent No. 8529402). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8529402
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile