Air-fuel ratio control method for internal combustion engines

Details Air-fuel ratio control method for internal combustion engines Air-fuel ratio control method for internal combustion engines

1991-10-03

1992-09-08

Argenbright, Tony M.

Internal-combustion engines

Charge forming device

Including exhaust gas condition responsive means

123492, F02D 4114

Patent

active

051449315

ABSTRACT:
An air-fuel ratio control method for an internal combustion engine, in which the air-fuel ratio of a mixture supplied to the engine is feedback-controlled to a desired air-fuel ratio in response to output from an exhaust gas ingredient concentration sensor. When the engine is in a predetermined accelerating condition, fuel supply to the engine is increased. The rate of correction of the air-fuel ratio of the mixture by the feedback control is set to a smaller value when the engine is in the predetermined accelerating condition, than values to be set when the engine is in other operating conditions.

REFERENCES:
patent: 4627404 (1986-12-01), Saito et al.
patent: 4633841 (1987-01-01), Matsuura et al.
patent: 4711200 (1987-12-01), Kinoshita
patent: 4754736 (1988-07-01), Yamato et al.
patent: 4864999 (1989-09-01), Fujisawa
patent: 4913120 (1990-04-01), Fujimoto et al.
patent: 5014672 (1991-05-01), Fujii et al.

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