Control apparatus for internal combustion engine

Details Control apparatus for internal combustion engine Control apparatus for internal combustion engine

1998-02-03

2000-06-13

Solis, Erick R.

Internal-combustion engines

Charge forming device

Including cylinder pressure or temperature responsive means

123 1A, 1234063, F02M 5100

Patent

active

060736119

ABSTRACT:
A control apparatus for an internal combustion engine comprises: driving state detecting means for detecting a driving state of the internal combustion engine based on detected information from various sensors; control calculating means for calculating a control parameter of the internal combustion engine in accordance with the driving state; combustion state detecting means for detecting a combustion state amount of at least one of cylinders of the internal combustion engine; fuel property calculating means for calculating a property of a fuel supplied to the internal combustion engine based on the driving state and the combustion state amount; and parameter correcting means for correcting the control parameter in accordance with the fuel property. With this arrangement, it is possible to calculate the fuel property from an actual combustion state without using a sensor, and to correct the control parameter in accordance with the fuel property, thereby suppressing a deterioration of an exhaust gas, and enhancing a drivability.

REFERENCES:
patent: 5271268 (1993-12-01), Ikeuchi et al.
patent: 5515280 (1996-05-01), Suzuki
patent: 5711272 (1998-01-01), Maegawa et al.
patent: 5755206 (1998-05-01), Takahashi et al.
patent: 5868117 (1999-02-01), Moote et al.
patent: 5878717 (1999-03-01), Zur Loye
patent: 5904127 (1999-05-01), Kemmler et al.
patent: 5950599 (1999-09-01), Rotramel et al.
patent: 5957094 (1999-09-01), Krausman et al.

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