Fuel injection control system for an internal combustion engine

Internal-combustion engines – Charge forming device – Including cylinder pressure or temperature responsive means

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123434, 123425, F02M 700

Patent

active

052224813

ABSTRACT:
A system for controlling fuel injection for an internal combustion engine has a fuel injector provided for injecting fuel directly in a cylinder, a cylinder pressure detector for detecting pressure in the cylinder at fuel injection, a calculator for producing a correcting coefficient in accordance with a difference between the cylinder pressure and fuel pressure, and a correcting means by multiplying the correcting coefficient to a fuel injection time, thereby changing a fuel injection duration in accordance with a change of the fuel injection timing.

REFERENCES:
patent: 4993388 (1991-02-01), Mitsumoto
patent: 5078107 (1992-01-01), Morikawa
patent: 5156126 (1992-10-01), Obkubo et al.

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