Ignition system for an internal combustion engine

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

1978-09-01

1980-07-29

Myhre, Charles J.

Internal-combustion engines

High tension ignition system

315209SC, 315218, F02P 100

Patent

active

042145660

ABSTRACT:
An ignition system for an internal combustion engine comprises a primary current control switch provided in parallel with an exciter coil and the primary of the ignition coil, energized by an exciter coil producing an AC voltage in time with rotation of the engine crank shaft. The primary current control switch is made conductive in advance of the ignition angle to permit a current to flow therethrough, and is made nonconductive at the ignition angle to cause sudden increase in the primary current. The ignition system is characterized in that the core of the ignition coil has a magnetic retentivity and by comprising resistor means for providing a path for a current through the primary in the opposite direction to the current which flows through the primary at the ignition angle.

REFERENCES:
patent: 3622837 (1971-11-01), Gellman
patent: 3877453 (1975-04-01), Brungsberg
patent: 3961613 (1976-06-01), Canup
patent: 4034731 (1977-07-01), Sato
patent: 4074669 (1978-02-01), Cavil et al.
patent: 4119076 (1978-10-01), Sato

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