Ignition system for an internal combustion engine

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

1977-07-11

1979-01-02

Myhre, Charles J.

Internal-combustion engines

Igniters

Incandescent

123149C, 315209SC, F02D 504

Patent

active

041322088

ABSTRACT:
An ignition system for an internal combustion engine wherein ignition timing is retarded when the engine speed exceeds a predetermined value. The ignition angle retardation is effected by an angle retarding circuit for by-passing at least part of an AC ignition signal. The angle retarding circuit is actuated responsive to an output of a phase-advanced signal generating circuit for generating an AC signal in advance in phase of the ignition signal. The utilization of the phase-advanced signal generating circuit enables the ignition angle to be varied over a wide angle.

REFERENCES:
patent: 4010726 (1977-03-01), Kondo et al.
patent: 4075989 (1978-02-01), Nagasawa
patent: 4079712 (1978-03-01), Nagasawa

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