Ignition timing control system for an engine

Details Ignition timing control system for an engine Ignition timing control system for an engine

1989-07-13

1991-01-08

Argenbright, Tony M.

Internal-combustion engines

Combustion chamber means combined with air-fuel mixture...

123421, F02P 515

Patent

active

049827120

ABSTRACT:
An ignition timing control system for an engine includes a starting judgment unit for judging a starting state of the engine, an ignition timing setting unit for setting an ignition timing of the engine, and an initial ignition timing setting unit. The ignition timing setting unit sets an ignition timing in accordance with an ignition map stored in a memory by using an engine load and engine speed as parameters, respectively. The initial ignition timing setting unit gradually advances an ignition timing from the fixed ignition timing side to the set ignition timing side immediately after starting of the engine in dependency on the judgment of the starting judgment unit. Advancing the ignition timing, improves the starting operation of the engine.

REFERENCES:
patent: 4351297 (1982-09-01), Suematsu
patent: 4570596 (1986-02-01), Sato
patent: 4694799 (1987-09-01), Yagi et al.

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