Fuel control system for engine

Details Fuel control system for engine Fuel control system for engine

1990-12-14

1991-09-24

Wolfe, Willis R.

Internal-combustion engines

Charge forming device

Fuel injection system

123480, 123488, F02D 4118

Patent

active

050505653

ABSTRACT:
An airflow meter detects an amount of intake air flowing through an intake passage of the engine, and a fuel injector injects fuel in an amount which is determined according to the amount of intake air detected by the airflow meter. A controller calculates moving averages of outputs of the airflow meter, and the ratio of the difference between each output of the airflow meter and the moving average to a value derived from the moving average. The controller causes the fuel injector to increase the amount of fuel to be fed to the engine when the ratio is not smaller than a predetermined reference threshold value.

REFERENCES:
patent: 4702214 (1987-10-01), Wataya
patent: 4706631 (1987-11-01), Wataya
patent: 4727845 (1988-03-01), Misumi et al.
patent: 4805577 (1989-02-01), Kanno et al.
patent: 4807581 (1989-02-01), Nishikawa et al.
patent: 4870937 (1989-10-01), Sanbuichi et al.
patent: 4911128 (1990-03-01), Hara et al.
patent: 4986244 (1991-01-01), Kobayashi et al.

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