Fuel injection control system for an automotive engine

Details Fuel injection control system for an automotive engine Fuel injection control system for an automotive engine

1989-11-24

1990-11-06

Wolfe, Willis R.

Internal-combustion engines

Charge forming device

Fuel injection system

123478, 36443105, F02D 4104

Patent

active

049677152

ABSTRACT:
A throttle opening degree of a throttle valve at a time when the throttle opening degree is used for determining quantity of fuel injected from an injector is estimated in accordance with coefficients and engine speed. The quantity of air induced in a cylinder of an engine is estimated by using the estimated throttle opening degree and equations based on various coefficients. A basic injection pulse width is calculated based on the estimated air quantity.

REFERENCES:
patent: 4549517 (1985-10-01), Kamiyama
patent: 4705001 (1987-11-01), Danno et al.
patent: 4785785 (1988-11-01), Oba et al.
patent: 4911133 (1990-03-01), Sogawa

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