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:
Sep. 23, 2014
Filed:
Oct. 22, 2010
Daniel G. Brennan, Brighton, MI (US);
Craig D. Marriott, Clawson, MI (US);
Joel Cowgill, White Lake, MI (US);
Matthew A. Wiles, Royal Oak, MI (US);
Kenneth James Patton, Howell, MI (US);
Daniel G. Brennan, Brighton, MI (US);
Craig D. Marriott, Clawson, MI (US);
Joel Cowgill, White Lake, MI (US);
Matthew A. Wiles, Royal Oak, MI (US);
Kenneth James Patton, Howell, MI (US);
Abstract
A control system for an engine includes a first lift control module and a second lift control module. The first lift control module increases lift of M valves of the engine to a predetermined valve lift during a period before disabling or re-enabling N valves of the engine. The second lift control module decreases the lift of the M valves to a desired valve lift during a period after enabling or re-enabling the N valves of the engine, wherein N and M are integers greater than or equal to one.