SPARK ADVANCE FOR ENGINE IDLE SPEED CONTROL
Application 1514/KOL/2007 published 2008-07-11, filed 2007-11-02
An engine idle speed control system for regulating an idle speed of an internal combustion engine includes a first module that determines an indicated torque of the engine based on a current spark timing and a second module that determines a desired indicated torque based on the indicated torque. A third module determines a new spark timing based on the desired indicated torque and a fourth module that regulates operation of the engine based on the new spark timing. No. of Pages : 20 No. of Claims : 17
Applicant
1)GM GLOBAL TECHNOLOGY OPERATIONS, INC
:300 GM RENAISSANCE CENTER DETROIT, MICHIGAN U.S.A.
Inventor
1)MICHAEL G. REYNOLDS 2)DADIV W. WALTERS
International Info
Classification: F02P11/02; F02P11/00;
Priority Information
11/607,135 U.S.A. 2006-11-30