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. 24, 2019
Filed:
Dec. 22, 2017
Applicant:
Concentric Birmingham Limited, Birmingham, GB;
Inventors:
Paul Shepherd, Birmingham, GB;
John Magee, Pacifica, CA (US);
Assignee:
Concentric Birmingham Limited, Birmingham, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01M 1/02 (2006.01); F01M 1/18 (2006.01);
U.S. Cl.
CPC ...
F01M 1/02 (2013.01); F01M 1/18 (2013.01); F01M 2001/0223 (2013.01); F01M 2001/0253 (2013.01);
Abstract
A vehicle engine pump assembly () has a gerotor pump (), a mechanical drive () driven by the engine and an electrical drive (). A controller () selectively engages the mechanical drive to boost pumping effort when required via a clutch.