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:
Jun. 30, 2015
Filed:
Apr. 28, 2009
Christopher E. Whitney, Highland, MI (US);
Paul A. Bauerle, Fenton, MI (US);
Ning Jin, Novi, MI (US);
Todd R. Shupe, Milford, MI (US);
Robert C. Simon, Jr., Brighton, MI (US);
Christopher E. Whitney, Highland, MI (US);
Paul A. Bauerle, Fenton, MI (US);
Ning Jin, Novi, MI (US);
Todd R. Shupe, Milford, MI (US);
Robert C. Simon, Jr., Brighton, MI (US);
GM Global Technology Operations LLC, Detroit, MI (US);
Abstract
An engine control system comprises an air control module and a spark control module. The air control module controls a throttle valve based on a first desired torque when the throttle valve is in an operable state. The spark control module controls spark advance based on the first desired torque and a second desired torque when the throttle valve is in a fault state. The throttle valve is maintained in a predetermined fault position when in the fault state.