Ignition timing control device for internal combustion engines

Details Ignition timing control device for internal combustion engines Ignition timing control device for internal combustion engines

1984-04-19

1986-04-15

Cox, Ronald B.

Internal-combustion engines

Combustion chamber means combined with air-fuel mixture...

123435, F02B 504

Patent

active

045820341

ABSTRACT:
An ignition timing control device for an internal combustion engine including a knocking sensor for detecting knocking of the engine, a reference voltage generator for generating a reference voltage dependent on the level of an output signal from the knocking sensor, a comparator for comparing the output signal from the knocking sensor with the reference voltage and for generating a train of pulses dependent on an amplitude of knocking as produced, an integrator for integrating an output signal from the comparator in an analog or digital manner, ignition timing controller means responsive to the level of the output voltage from said integrator for controlling the ignition timing of the internal combustion engine, and control means triggerable by the output of said comparator for increasing a variation speed in the output signal level of said integrator during no knocking as time elapses, whereby a speed at which ignition timing of the internal combustion engine is advanced, is increased as time elapses.

REFERENCES:
patent: 3782347 (1974-01-01), Schmidt
patent: 4370963 (1983-02-01), Iwata
patent: 4370964 (1983-02-01), Muranaka
patent: 4382429 (1983-05-01), Enoshima
patent: 4385607 (1983-05-01), Honiden
patent: 4417556 (1983-11-01), Latsch
patent: 4425891 (1984-01-01), Kashimura
patent: 4426975 (1984-01-01), Suzuki
patent: 4440129 (1984-04-01), Iwata

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