Capacitive discharge electronic ignition system for automobiles

Details Capacitive discharge electronic ignition system for automobiles Capacitive discharge electronic ignition system for automobiles

1988-03-21

1989-06-13

Hix, L. T.

Electricity: electrical systems and devices

Igniting systems

For electric spark ignition

361263, 123604, 315209SC, F23Q 300, F02P 306

Patent

active

048397725

ABSTRACT:
An apparatus for the generation of ignition voltage to a spark plug within an ingition system of an automobile includes an integrated circuit inverter for converting DC power source voltage into a high frequency voltage which is stepped-up by a transformer and rectified to charge a capacitor. The charge stored on the capacitor is discharged by applying a trigger pulse to a silicon controlled rectifier, through a high voltage ignition coil for igniting the spark gap of a spark plug. The trigger pulse is produced by a timing control circuit which utilizes a pre-existing timing signal of the ignition system to produce the trigger pulse. The secondary voltage of the ignition coil produces between 20,000 and 60,000 volts.

REFERENCES:
patent: 4149508 (1979-04-01), Kirk, Jr. et al.
patent: 4763045 (1988-08-01), Choi et al.

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