Fuel injection system for internal combustion engine

Details Fuel injection system for internal combustion engine Fuel injection system for internal combustion engine

1988-10-11

1990-03-13

Argenbright, Tony M.

Internal-combustion engines

Charge forming device

Fuel injection system

123478, F02D 4104

Patent

active

049075578

ABSTRACT:
A fuel injection system includes a valve for supplying fuel to an internal combustion engine; a device for measuring the quantity of air passing through an air intake passageway in both forward and backward directions; a device for detecting the number of revolution of the engine; a device for detecting conditions of the engine; a limiting device, which is used when an output therefrom produces a time width of a pulse to be imparted to the fuel injection valve, and which limits variables related to the atmospheric pressure including a measured value of the air quantity limited by the number of engine revolutions; and an atmospheric pressure conformed corrective value computing device. Reference values of the variables at a predetermined atmospheric condition are stored with the number of engine revolutions as a parameter, and an atmospheric condition is computed by introducing an input signal corresponding to the parameter from the condition detecting device and an output signal from the air quantity measuring device or the limiting device, the latter correcting the limited value in conformity to the atmospheric pressure in accordance with the atmospheric pressure conformed corrective value.

REFERENCES:
patent: 4497297 (1985-02-01), Daniel et al.
patent: 4582031 (1986-04-01), Janetzke et al.
patent: 4694806 (1987-09-01), Wataya et al.
patent: 4719890 (1988-01-01), Wataya et al.
patent: 4803966 (1989-02-01), Denz

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