Method of feedback controlling air-fuel ratio

Details Method of feedback controlling air-fuel ratio Method of feedback controlling air-fuel ratio

1980-03-06

1982-03-30

Cox, Ronald B.

Internal-combustion engines

Charge forming device

Having fluidic logic control means

123489, F02B 300

Patent

active

043219039

ABSTRACT:
In the method of feedback controlling the air-fuel ratio of an internal combustion engine, the feedback control is stopped for a predetermined period of time at a specified time or condition of the engine, and the air-fuel ratio is controlled in accordance with a control signal having a value corresponding to the average value of the integrated compensation signals. In addition, a factor affecting the center value of the controlled air-fuel ratio is adjusted in accordance with the output signal of a comparator circuit generated during the time that the feedback control is being stopped.

REFERENCES:
patent: 4187812 (1980-02-01), Hosaka
patent: 4235204 (1980-11-01), Rice

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