Fuel injection control system of automotive engine

Details Fuel injection control system of automotive engine Fuel injection control system of automotive engine

1989-03-17

1990-03-27

Nelli, Raymond A.

Internal-combustion engines

Charge forming device

Fuel injection system

123478, F02D 4126

Patent

active

049111337

ABSTRACT:
A fuel injection control method and a system of an automotive engine uses a model of air within the intake pipe to estimate the quantity of air within the intake system downstream of the throttle valve on the basis of this air quantity and detected data from sensors such as an air flow meter and a crank angle sensor. The control unit determines the fuel injection quantity. The control system additionally determines the ignition timing. This control system controls the fuel injection quantity as well as the ignition timing in a manner to maintain optimum values thereof over a wide range of engine operational conditions including transient states.

REFERENCES:
patent: 4664085 (1987-05-01), Kataoka
patent: 4741313 (1988-05-01), Shimomura
patent: 4753206 (1988-06-01), Inoue et al.
patent: 4773375 (1988-09-01), Okino et al.
patent: 4785784 (1988-11-01), Nanyoshi et al.
patent: 4792905 (1988-12-01), Sekozawa et al.
patent: 4817572 (1989-04-01), Nakaniwa et al.
patent: 4823755 (1989-04-01), Hirose et al.
patent: 4846132 (1989-07-01), Binnewics

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