Internal combustion engine with fuel injection system

Details Internal combustion engine with fuel injection system Internal combustion engine with fuel injection system

1982-09-16

1985-04-23

Argenbright, Tony M.

Internal-combustion engines

Charge forming device

Fuel injection system

123493, F02D 502

Patent

active

045123187

ABSTRACT:
An engine wherein a basic fuel injection flow rate from an injector is obtained based on an intake manifold pressure and an engine rotational speed. A change with time of the opening degree of a throttle valve and a change with time of the intake manifold pressure are calculated, and the basic fuel injection flow rate is corrected commensurate with the values of the changes described above to cause the basic fuel injection flow rate to be an ideal air-fuel ratio. When the change with time in opening degree of the throttle valve or the change with time of the intake manifold pressure is smaller than the respective predetermined values, the basic fuel injection flow rate is corrected, and, after the correction, if the values of changes thereof become smaller than the respective predetermined values, the basic fuel injection flow rate thus corrected is caused to approach the injection flow rate before the correction.

REFERENCES:
patent: 4245605 (1981-01-01), Rice et al.
patent: 4313412 (1982-02-01), Hosaka et al.
patent: 4359993 (1982-11-01), Carlson
patent: 4364363 (1982-12-01), Miyagi et al.

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