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:
Jul. 14, 2015
Filed:
Oct. 11, 2012
Applicant:
GM Global Technology Operations Llc, Detroit, MI (US);
Inventors:
Thomas A. Spix, Rochester Hills, MI (US);
Thomas M. Bishop, New Lothrop, MI (US);
Assignee:
GM Global Technology Operations LLC, Detroit, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01L 9/02 (2006.01); F02D 41/00 (2006.01); F02D 13/02 (2006.01); F01M 9/10 (2006.01); F01M 3/04 (2006.01);
U.S. Cl.
CPC ...
F02D 41/00 (2013.01); F01L 9/02 (2013.01); F01M 3/04 (2013.01); F01M 9/10 (2013.01); F02D 13/0253 (2013.01);
Abstract
An engine efficiency system for a vehicle includes an electromechanically operated oil distribution device disposed proximate an oil environment of the vehicle. Also included is a current detection system for detecting a current change rate of the electromechanically operated oil distribution device, wherein the current change rate corresponds to a viscosity of an oil disposed in the oil environment of the vehicle. Further included is at least one efficiency device activated over a range of the viscosity of the oil.