Spark timing computer

Details Spark timing computer Spark timing computer

1976-06-23

1978-09-26

Engle, Samuel W.

Internal-combustion engines

Intake manifold

Manifold tuning, balancing or pressure regulating means

F02P 504, F02P 506

Patent

active

041161742

ABSTRACT:
The invention is a spark timing computer which includes a resetting device for forming a start pulse and a stop pulse which is electrically coupled to the reference angle detecting device, an integrator which is electrically coupled to a reference voltage which is reset by either a stop pulse or a start pulse from the resetting device, a peak detecting device for detecting and holding the peak amplitude of the integrator and being reset by a start pulse from the resetting device, a scaling device for scaling the peak amplitude of the peak detecting device which is electrically coupled to the peak detecting device, a comparing device for comparing the scaled peak amplitude of the peak detecting device with the output signal of the integrator and a triggering device for forming a spark trigger in response to a signal from the comparing device and for sending the spark trigger to a spark generator. The spark timing computer also includes devices for varying the stop pulse width and the start pulse width which are electrically coupled to the resetting device. The spark timing computer further includes a triggering device for providing a spark trigger in response to the start pulse of the resetting device and an inhibiting device for inhibiting the triggering device in response to a signal from the peak amplitude detecting device indicating a particular rotational speed of the engine.

REFERENCES:
patent: 3885720 (1975-05-01), Brennan
patent: 3888220 (1975-06-01), Bigalke et al.
patent: 3897766 (1975-08-01), Pratt, Jr. et al.
patent: 3910243 (1975-10-01), Gau et al.

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