Ignition timing control apparatus for engine

Details Ignition timing control apparatus for engine Ignition timing control apparatus for engine

1991-10-11

1993-02-02

Argenbright, Tony M.

Internal-combustion engines

Spark ignition timing control

Electronic control

123571, F02P 5145, F02M 2507

Patent

active

051830205

ABSTRACT:
In an engine including an exhaust gas recirculation mechanism for recirculating exhaust gas to the engine intake system, and an ignition timing control apparatus for the engine, a duty-controlled EGR rate regulating solenoid valve is disposed in an EGR passage which intercommunicates the exhaust and intake passages of the engine. An arrangement is provided for controlling the activation of the ignition timing control apparatus in order to adjust the ignition timing in accordance with a duty rate applied to the EGR rate regulating solenoid valve.

REFERENCES:
patent: 4314540 (1982-02-01), Ikeura
patent: 4315492 (1982-02-01), Gardner
patent: 4598684 (1986-07-01), Kato et al.
patent: 4947820 (1990-08-01), Kushi

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