Ignition control system for internal combustion engine

Details Ignition control system for internal combustion engine Ignition control system for internal combustion engine

F - Mech Eng,Light,Heat,Weapons

02

P

F02P 5/05 (2006.01) F02P 5/06 (2006.01)

Patent

CA 2513222

An ignition control system for an internal combustion engine includes a throttle opening detector, a crank angle detector, a stroke determiner, and an ignition timing corrector. The throttle opening detector detects a throttle opening of a throttle valve disposed in an intake passage of the internal combustion engine. The crank angle detector detects a crank angle signal associated with the rotation of a crankshaft of the internal combustion engine. The stroke determiner determines a stroke based on the crank angle signal. The ignition timing corrector corrects ignition timing in a retardation direction by a predetermined retardation angle when the throttle valve is rapidly opened to a predetermined throttle opening and then rapidly closed within a predetermined time period including one combustion cycle of the internal combustion engine. The stroke determiner defines the combustion cycle. The predetermined retardation angle is based on at least the throttle opening.

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