Fuel injection amount control system for internal combustion eng

Details Fuel injection amount control system for internal combustion eng Fuel injection amount control system for internal combustion eng

1994-11-30

1996-12-24

Dolinar, Andrew M.

Internal-combustion engines

Charge forming device

Including exhaust gas condition responsive means

123480, 123491, 731173, F02D 4106, F02D 4114, F02D 4132

Patent

active

055865445

ABSTRACT:
A fuel injection mount control system for an internal combustion engine includes an ECU which calculates a first amount of fuel directly drawn into each combustion chamber out of an amount of fuel injected into the intake passage via a corresponding fuel injection valve, a second amount of fuel carried off fuel adhering to the wall surface of the intake passage into the combustion chamber, and an amount of fuel to be injected into the intake passage, based on the first fuel amount and the second fuel amount, calculates an air-fuel ratio correction amount, based on an output form an air-fuel ratio sensor arranged in the exhaust system, and corrects the amount of fuel to be injected into the intake passage by the air-fuel ratio correction amount. Further, the ECU corrects the second fuel amount, based on the air-fuel ratio correction amount.

REFERENCES:
patent: 4357923 (1982-11-01), Hidig
patent: 4499879 (1985-02-01), Stoltman et al.
patent: 4922877 (1990-05-01), Nagaishi
patent: 4987890 (1991-01-01), Nagaishi
patent: 5144933 (1992-09-01), Nakaniwa
patent: 5353773 (1994-10-01), Ogawa et al.
Patent Abstracts of Japan, vol. 17, No. 99, (M1373), Feb. 26, 1993 & JP-A-4-292544.

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