Electronic ignition device for an internal combustion engine

Details Electronic ignition device for an internal combustion engine Electronic ignition device for an internal combustion engine

1975-07-28

1977-05-03

Husar, C. J.

Internal-combustion engines

Igniters

Incandescent

123179BG, 315209T, 330207P, 361 91, 361 18, 361263, F02P 100

Patent

active

040208168

ABSTRACT:
An electronic ignition control device for an internal combustion engine includes a power amplifier which controls current through an ignition coil and a triggering circuit for the power amplifier. To protect the power amplifier against damage resulting from being connected to a higher voltage source during starting there is a protection circuit which switches off the power amplifier when an over voltage is detected but allows it to switch on for a very short period when a spark is required. The protection circuit uses conventional logic elements, sensing the output of the triggering means, the output of a delay circuit driven by the triggering means, and the output of an over voltage sensing circuit.

REFERENCES:
patent: 3078391 (1963-02-01), Bunodiere et al.
patent: 3319146 (1967-05-01), Kearsley
patent: 3489927 (1970-01-01), Kelley et al.
patent: 3745985 (1973-07-01), Hohne
patent: 3765391 (1973-10-01), Cook
patent: 3861369 (1975-01-01), Canup
patent: 3882840 (1975-05-01), Adamian et al.
patent: 3940658 (1976-02-01), Allred
patent: 3949722 (1976-04-01), Linstedt et al.

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