Ignition timing control apparatus for internal combustion engine

Details Ignition timing control apparatus for internal combustion engine Ignition timing control apparatus for internal combustion engine

1982-09-15

1985-03-12

Cox, Ronald B.

Internal-combustion engines

Charge forming device

Fuel injection system

123415, F02P 504

Patent

active

045038236

ABSTRACT:
An ignition timing control circuit for internal combustion engine comprising a pulse generator which provides a pair of pulses in synchronization with the crank shaft rotation, a pair of polygonal wave generators for providing two types of polygonal waves, one having a constant amplitude, the other having a peak level which varies depending on the engine speed, and a comparator which detects the point of time at which the two waves have the same level and provides an ignition signal at this point, whereby the timing of ignition can be varied automatically, based on the engine speed.

REFERENCES:
patent: 4066968 (1978-01-01), Guipaud
patent: 4079709 (1978-03-01), Schuette
patent: 4104997 (1978-08-01), Padgitt
patent: 4284046 (1981-08-01), Hashimoto

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