Ignition spark timing circuit

Internal-combustion engines – Charge forming device – Fuel injection system

Patent

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Details

123609, 123643, F02P 700

Patent

active

043809804

ABSTRACT:
The circuit determines which cylinder is to be fired and continually updates the determination so that the circuit recovers immediately from any false detect and responds to any change of engine condition. The dwell timing is derived from sensors adjacent the flywheel and, to achieve the widest possible range of advance angles, the use of certain sensor-derived signals is delayed until after spark.

REFERENCES:
patent: 4313414 (1982-02-01), Planteline
patent: 4329959 (1982-05-01), Javeri
patent: 4338903 (1982-07-01), Bolinger
patent: 4352345 (1982-10-01), Menard et al.

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