Ignition timing control system for an engine

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

1989-07-20

1993-12-21

Argenbright, Tony M.

Internal-combustion engines

Charge forming device

Fuel injection system

123421, 123424, F02P 515

Patent

active

052713679

ABSTRACT:
There is disclosed an ignition timing control system for an engine, capable of adjustably setting a timing for shifting from a fixed ignition timing after complete firing to an ordinary ignition timing. The control system comprises an ignition timing setting unit for setting an ignition timing from an ignition timing map using an engine load and the engine speed, a complete firing judgment unit for judging a complete combustion from conditions of the engine, and a delay setting element for setting a delay time for switching the fixed ignition timing to predetermined ignition timing at the time of starting in dependency on the engine temperature when the complete firing is judged.

REFERENCES:
patent: 4351297 (1982-09-01), Suematsu
patent: 4489691 (1984-12-01), Ono et al.
patent: 4570596 (1986-02-01), Sato
patent: 4694799 (1987-09-01), Yagi et al.

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