Internal-combustion engines – Igniters – Incandescent
Patent
1974-04-22
1977-04-05
Husar, C. J.
Internal-combustion engines
Igniters
Incandescent
123148CB, F02P 100
Patent
active
040155765
ABSTRACT:
An ignition circuit arranged to deliver pulses of energy to an internal combustion engine includes inductive-type ignition circuitry and a pulse generator. Inductive ignition pulses are generated in time correspondence with engine movements in response to timing signals generated by breaker points and the pulse generator is simultaneously triggered to generate a high amplitude pulse which combines with the inductive ignition pulse to produce a composite ignition pulse having a fast-rise time and relatively long duration. Circuitry, biased by the pulse generator output, is associated with the breaker points which effectively isolates the breaker points electrically from voltage and current signals which tend to cause arcing thereacross. Thereby, deterioration of the breaker points caused by arcing is prevented. The circuit may be arranged so that the pulse generator or the inductive-type ignition circuitry may be selectively disabled.
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Devinsky Paul
Husar C. J.
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