Spark advance foe engine idle speed control

Details Spark advance foe engine idle speed control Spark advance foe engine idle speed control

2006-11-30

2008-09-02

Wolfe, Jr., Willis R. (Department: 3747)

Internal-combustion engines

Engine speed regulator

Idle speed control

C123S406230

Reexamination Certificate

active

07418943

ABSTRACT:
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.

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patent: 2007/0261669 (2007-11-01), Buslepp et al.

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