Engine ignition timing control apparatus

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

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F02P 515

Patent

active

046129014

ABSTRACT:
An ignition timing control apparatus for an internal combustion engine in which the reference ignition timing of the engine is changed over or displaced according to the detected result of the occurrence of knocks owing to the kind of fuel being used for the engine. Either in the change-over determination or the displacement magnitude determination, the change-over magnitude of the reference ignition timing is initialized at a predetermined retard angle.

REFERENCES:
patent: 3822583 (1974-07-01), Keller et al.
patent: 4344400 (1982-08-01), Asano
patent: 4463565 (1984-08-01), Rydquist et al.

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