Spark timing control system

Details Spark timing control system Spark timing control system

1980-09-26

1983-02-15

Feinberg, Craig R.

Internal-combustion engines

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

123325, 123417, 123423, F02P 514

Patent

active

043734898

ABSTRACT:
A spark-timing control system is disclosed for an internal combustion engine having spark plugs and means adapted to cut off the supply of fuel to the engine under specified engine operating conditions including engine deceleration, low engine speed, and throttle idle position. The control system comprises a digital computer which performs the operational steps of: setting an optimum spark-timing value in terms of engine load; and providing an ignition signal to cause sparks at the spark plugs after a retard from the set optimum spark-timing value when engine acceleration occurs under a fuel cut-off condition.

REFERENCES:
patent: 4112895 (1978-09-01), Habert
patent: 4220125 (1980-09-01), Nishida et al.
patent: 4257363 (1981-03-01), Zeller
patent: 4259723 (1981-03-01), Fujsawa et al.
patent: 4285314 (1981-08-01), Kiencke et al.

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