Closed loop fuel control system with air/fuel sensor voting logi

Details Closed loop fuel control system with air/fuel sensor voting logi Closed loop fuel control system with air/fuel sensor voting logi

1979-04-10

1980-09-30

Cox, Ronald B.

Internal-combustion engines

Charge forming device

Having fluidic logic control means

123489, F02B 300, F02M 700

Patent

active

042249104

ABSTRACT:
In a closed loop air and fuel ratio controller for an engine, an air/fuel sensor is responsive to the engine exhaust gases to provide a signal representing the air/fuel ratio of the mixture supplied to the engine. The output of the sensor is sampled N times during each of successive sampling periods and the number of samples indicative of a rich mixture versus the number of samples indicative of a lean mixture is utilized to provide an output representing a rich or lean error input to the closed loop controller.

REFERENCES:
patent: 4111171 (1978-09-01), Aono

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