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. 20, 2010
Filed:
Sep. 23, 2008
Applicants:
William C. Albertson, Clinton Township, MI (US);
Mark Stabinsky, Troy, MI (US);
Inventors:
William C. Albertson, Clinton Township, MI (US);
Mark Stabinsky, Troy, MI (US);
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02D 13/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
A system includes a cylinder selection module and a valve deactivation module. The cylinder selection module selects cylinders of an engine for active fuel management. The valve deactivation module deactivates intake valves of selected cylinders of the engine before deactivating exhaust valves of the selected cylinders when an engine speed of the engine is less than or equal to a predetermined speed.