Method of and apparatus for controlling fuel injection of intern

Details Method of and apparatus for controlling fuel injection of intern Method of and apparatus for controlling fuel injection of intern

1997-03-11

1998-09-15

Moulis, Thomas N.

Internal-combustion engines

Charge forming device

Fuel injection system

123488, F02M 5100

Patent

active

058064974

ABSTRACT:
In a direct injection type gasoline engine for directly injecting fuel into each cylinder, fuel pressures supplied to each fuel injection valve are detected, and the fuel injection pulse width is detected according to the detected fuel pressures. Here, the fuel injection pulse width is corrected based on a value obtained by smoothing the detected values of the fuel pressures and at the same time, a smoothing level is changed according to the transitional or steady state of the engine, thereby achieving the response characteristic of correction at the transitional state and the stable correction at the steady state.

REFERENCES:
patent: 3688750 (1972-09-01), O Neill
patent: 4426981 (1984-01-01), Greiner et al.
patent: 5176122 (1993-01-01), Ito
patent: 5218941 (1993-06-01), Suzuki et al.
patent: 5493902 (1996-02-01), Glidewell et al.
patent: 5533492 (1996-07-01), Willey et al.

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