Ignition system for an internal combustion engine

Details Ignition system for an internal combustion engine Ignition system for an internal combustion engine

1982-07-30

1985-02-05

Argenbright, Tony M.

Internal-combustion engines

High tension ignition system

Additional spark energy supply

123643, F02D 308

Patent

active

044973063

ABSTRACT:
An ignition system for an internal combustion engine having a plurality of engine cylinders, wherein ignition coil and spark plug are integrally assembled into each engine cylinder so as to eliminate an ignition energy transmission loss, a DC-DC converter for boosting a low DC voltage into a high DC voltage is provided for applying the high DC voltage into each secondary winding of the ignition coils for achieving an efficient ignition of air-fuel mixture, the application of the high DC voltage being enabled according to a particular engine operating condition, e.g., engine low speed and light engine load condition, and the ignition energy being varied according to an engine operating condition by changing the pulsewidth of the ignition pulse signal to be fed into a cylinder judging circuit which judges the spark plug to be ignited and distributes the ignition pulse signal into the related circuit of the corresponding ignition coil.

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patent: 4369757 (1983-01-01), Anzai

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