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:
Apr. 19, 2016
Filed:
Mar. 15, 2013
Applicant:
GM Global Technology Operations Llc, Detroit, MI (US);
Inventors:
Jon C. Miller, Fenton, MI (US);
Scott Jeffrey, Hartland, MI (US);
David Edward Prout, Linden, MI (US);
Assignee:
GM Global Technology Operations LLC, Detroit, MI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02D 41/00 (2006.01); F02D 41/20 (2006.01);
U.S. Cl.
CPC ...
F02D 41/0097 (2013.01); F02D 41/004 (2013.01); F02D 2041/2027 (2013.01); F02D 2200/101 (2013.01);
Abstract
A system according to the principles of the present disclosure includes an engine speed module and a valve control module. The engine speed module determines a speed of an engine based on a position of a crankshaft. The valve control module selectively adjusts an operating frequency of a purge valve based on the engine speed.