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:
Oct. 13, 2009
Filed:
Dec. 12, 2007
William L. Aldrich, Iii, Davisburg, MI (US);
Lyle E. Hamilton, Howell, MI (US);
James L. Worthing, Munith, MI (US);
Donald D. Crites, Washington, MI (US);
William L. Aldrich, III, Davisburg, MI (US);
Lyle E. Hamilton, Howell, MI (US);
James L. Worthing, Munith, MI (US);
Donald D. Crites, Washington, MI (US);
Abstract
A control system includes a cam position calculation module that determines intake and exhaust cam positions during operation of an engine. The engine includes a regeneration and fuel cut-off (FCO) mode. A cam position adjustment module generates alternate intake and exhaust cam positions during the regeneration and FCO mode. A cam positioning module positions the intake and exhaust cams based on lower values of the intake and exhaust cam positions and the alternate intake and exhaust cam positions, respectively, during the regeneration and FCO mode.