Fuel control apparatus for an internal combustion engine

Details Fuel control apparatus for an internal combustion engine Fuel control apparatus for an internal combustion engine

1991-01-16

1992-01-14

Cross, E. Rollins

Internal-combustion engines

Charge forming device

Fuel injection system

123494, F02D 4118

Patent

active

050800736

ABSTRACT:
A fuel control apparatus for an internal combustion engine comprises, an air intake quantity detector to detect a parameter related to an air intake quantity for the engine, a filter for filtering an output from the air intake quantity detector, a switch for changing the filter coefficient of the filter on the basis of operational conditions of the engine, a controller to control a fuel supply quantity to the engine on the basis of the output of the filter, and a corrector to correct the fuel supply quantity depending on an error between an output from the filter and another output from the same at a predetermined crank angle when the error exceeds a predetermined value, wherein the predetermined value is changed depending on the filter coefficient which is changed by the switch.

REFERENCES:
patent: 4721087 (1988-01-01), Kanno et al.
patent: 4760829 (1988-08-01), Kanno et al.
patent: 4805577 (1989-02-01), Kanno et al.
patent: 4905155 (1990-02-01), Kanno
patent: 4911128 (1990-03-01), Hara et al.
patent: 4932382 (1990-06-01), Fujimoto et al.

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