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:
Dec. 30, 2008
Filed:
Oct. 15, 2007
Applicants:
William C. Albertson, Clinton Township, MI (US);
Frederick J. Rozario, Fenton, MI (US);
Mike M. MC Donald, Macomb, MI (US);
Inventors:
William C. Albertson, Clinton Township, MI (US);
Frederick J. Rozario, Fenton, MI (US);
Mike M. Mc Donald, Macomb, MI (US);
Assignee:
GM Global Technology Operations, Inc., Detroit, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02D 41/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An engine control module includes a valve control module that disables intake and exhaust valves corresponding to a cylinder that includes a mass of intake air. An engine cycle module determines a number of engine cycles that occurred while the cylinder is disabled. An air estimation module determines a remaining mass of air in the cylinder based on the number of engine cycles.