Control system for an internal combustion engine

Details Control system for an internal combustion engine Control system for an internal combustion engine

1975-12-18

1978-07-04

Pendegrass, Verlin R.

Internal-combustion engines

Intake manifold

Manifold tuning, balancing or pressure regulating means

123148E, F02P 504, F02P 514, F02P 506

Patent

active

040982440

ABSTRACT:
A control system for an internal combustion engine wherein the torque developed by an internal combustion engine is detected to provide optimum control of the ignition timing of the engine and thereby to ensure an improved engine efficiency as well as an improved fuel economy. The system comprises an engine torque detector for detecting the torque developed by the engine, a signal generator for generating signals used to periodically change the ignition timing of the engine, a phase discriminator for discriminating the phase relation between the output signals of the engine torque detector and the periodic change signal generator, and ignition timing control means for controlling the ignition timing in response to the output of the phase discriminator.

REFERENCES:
patent: 3521611 (1970-07-01), Finch
patent: 3587764 (1971-06-01), Bowles
patent: 3896773 (1975-07-01), Edison
patent: 3897766 (1975-08-01), Pratt, Jr. et al.
patent: 3898894 (1975-08-01), Aono et al.

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