Method and apparatus for controlling air-fuel ratio in an intern

Details Method and apparatus for controlling air-fuel ratio in an intern Method and apparatus for controlling air-fuel ratio in an intern

1984-02-03

1985-03-12

Cox, Ronald B.

Internal-combustion engines

Charge forming device

Including means responsive to instantaneous change in engine...

123435, 123419, 123443, F02B 300, F02P 504

Patent

active

045038244

ABSTRACT:
A method for controlling the air-fuel ratio in an internal combustion engine in which the correction of a base air-fuel ratio is carried out on the basis of the determination as to whether the base air-fuel ratio is on the richer or the leaner side of the air-fuel ratio corresponding to optimum specific fuel consumption, the determination being carried out by comparing four driving state indicating signals at different air-fuel ratios with each other, the correction being directed to bringing the base air-fuel ratio closer to the air-fuel ratio corresponding to the optimum specific fuel consumption.

REFERENCES:
patent: 2842108 (1958-07-01), Sanders
patent: 3596643 (1971-08-01), Schweitzer
patent: 4026251 (1977-05-01), Schweitzer et al.
patent: 4138979 (1979-02-01), Taplin
patent: 4305364 (1981-12-01), Stuckas

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