Internal combustion engine electronic ignition system having an

Details Internal combustion engine electronic ignition system having an Internal combustion engine electronic ignition system having an

1979-09-04

1981-04-14

Myhre, Charles J.

Internal-combustion engines

Charge forming device

Fuel injection system

123414, 123415, 123421, F02P 508

Patent

active

042613124

ABSTRACT:
During the presence of a selected internal combustion engine operating parameter such as a coolant temperature range, the alternating current timing signals induced in the output coil of an electrical generator assembly having at least a rotor member rotated in timed relationship with the engine are overridden by the output signal of a circuit combination that produces the output signal during the positive going portion of each of the timing signals and maintains the output signal for a period of time that varies inversely in duration as the potential level with respect to ground of an engine speed variable potential signal varies directly with engine speed to provide an engine speed ignition spark retard that diminishes substantially linearly in value from maximum to minimum between selected first lower and second higher engine speeds.

REFERENCES:
patent: 3890944 (1975-06-01), Werner et al.
patent: 3901201 (1975-08-01), Mizuguchi et al.
patent: 4023359 (1977-05-01), Masaki et al.
patent: 4077372 (1978-03-01), Masta
patent: 4117820 (1978-10-01), Kashiwazaki et al.
patent: 4131098 (1978-12-01), Daniels et al.
patent: 4133325 (1979-01-01), West
patent: 4164204 (1979-08-01), Guipaud

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