Method for controlling air-fuel ratio for use in internal combus

Details Method for controlling air-fuel ratio for use in internal combus Method for controlling air-fuel ratio for use in internal combus

1989-09-08

1991-02-26

Argenbright, Tony M.

Internal-combustion engines

Charge forming device

Fuel injection system

123493, F02D 4110, F02D 4112

Patent

active

049953664

ABSTRACT:
An estimating execution for an inner surface portion adhesion fuel amount is practiced distinctlly and independently to an execution processing for a basic fuel injection amount. A correction coefficient to be multiplied by the basic fuel injection amount is calculated in accordance with the estimation execution for the inner wall surface portion adhesion fuel amount. The correction coefficient is multiplied by the basic fuel injection amount. Since the fuel injection amount is corrected in accordance with the estimated inner surface portion adhesion fuel amount, an air-fuel ratio during a transitional period of an engine can be maintained at a desirable value.

REFERENCES:
patent: 4357923 (1982-11-01), Hideg
patent: 4388906 (1983-06-01), Sugiyama et al.
patent: 4667640 (1987-05-01), Sekozawa et al.
patent: 4852538 (1989-08-01), Nagaishi
patent: 4903668 (1990-02-01), Ohata
patent: 4905653 (1990-03-01), Manoka et al.

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