Opto-electronic ignition systems for internal combustion engines

Details Opto-electronic ignition systems for internal combustion engines Opto-electronic ignition systems for internal combustion engines

1979-03-01

1980-10-21

Cox, Ronald B.

Internal-combustion engines

High tension ignition system

Power supply, ignition coil primary, and interrupter element...

315209T, F02P 100

Patent

active

RE0304182

ABSTRACT:
An opto-electronic ignition system for an internal combustion engine in which radiation falls on to and is cut off from a photo-transistor in timed sequence with the engine, and in which between the photo-transistor and the primary winding of the ignition coil there is a plurality of switching Darlington pairs, each Darlington switching in inverse relation to its neighbor, and the first Darlington switching in inverse relation with the photo-transistor. The circuit is designed so that it will reliably operate in engine compartment temperatures above 125.degree. C.

REFERENCES:
patent: 3710131 (1973-01-01), Ford
patent: 3868938 (1975-03-01), Trass
patent: 3931804 (1976-01-01), Bowen
patent: 3937193 (1976-02-01), Kim

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