Fuel supply control apparatus for internal combustion engine

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

1987-03-24

1988-01-26

Argenbright, Tony M.

Internal-combustion engines

Charge forming device

Fuel injection system

123478, 123494, F02D 4118

Patent

active

047210877

ABSTRACT:
A fuel supply control apparatus for an internal combustion engine, which, when an air quantity detected at a predetermined crank angle of the internal combustion engine is represented by Qa and the (n-1)th air intake quantity and the next (n)th air intake quantity of the internal combustion engine at the predetermined crank angles thereof by Qe(n-1) and Qe(n) respectively, judges the optimum fuel supply quantity of the internal combustion engine by an equation: Qe(n)=K.multidot.Qe(n-1)+(1-K).multidot.Qa with filtering using the filter constant K, and which varies the filter constant K corresponding to an operating condition of the internal combustion engine, for example reduces K during idling, so that the fuel supply quantity can be controlled most suitably during idling and loaded operation.

REFERENCES:
patent: 4411235 (1983-10-01), Shinoda et al.
patent: 4412520 (1983-11-01), Mitsuyasu et al.
patent: 4550705 (1985-11-01), Nagano et al.

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