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:
Nov. 01, 2011
Filed:
Jul. 22, 2009
Kenneth J. Cinpinski, Ray, MI (US);
Craig D. Marriott, Clawson, MI (US);
Andrew P. Bagnasco, Plymouth, MI (US);
Ronald Jay Pierik, Holly, MI (US);
Kenneth J. Cinpinski, Ray, MI (US);
Craig D. Marriott, Clawson, MI (US);
Andrew P. Bagnasco, Plymouth, MI (US);
Ronald Jay Pierik, Holly, MI (US);
Abstract
A diagnostic system and method for operating the same includes a pressure monitoring module generating a diagnostic pressure signal and a camshaft driven engine component correction module generating an engine component oil pressure correction signal and generating a corrected diagnostic pressure signal based on the diagnostic pressure signal and the engine component oil pressure signal. The system further includes a diagnostic module generating a failed variable valve lift mechanism signal based on the corrected diagnostic pressure signal.