Ignition timing control device of an internal combustion engine

Internal-combustion engines – Combustion chamber means combined with air-fuel mixture...

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F02P 504

Patent

active

045137170

ABSTRACT:
An ignition control device of an engine comprising a knocking sensor. When a knocking does not occur, the ignition timing is maintained at an optimum ignition timing determined by the engine speed and the level of vacuum produced in the intake passage of the engine. When a knocking occurs, the ignition timing is retarded to an optimum ignition timing determined by the engine speed and the level of vacuum which is produced in the intake passage when the engine is operating in a wide open throttle.

REFERENCES:
patent: 4233944 (1980-11-01), Omori et al.
patent: 4245602 (1981-01-01), Omori et al.
patent: 4351281 (1982-09-01), Geiger et al.
patent: 4370963 (1983-02-01), Iwata et al.

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