Internal combustion engine control

Details Internal combustion engine control Internal combustion engine control

1995-04-28

1996-05-28

Nelli, Raymond A.

Internal-combustion engines

Charge forming device

Fuel injection system

F02M 5100

Patent

active

055201539

ABSTRACT:
Internal combustion engine cylinder volumetric efficiency is corrected for deviations in cylinder combustion temperature away from volumetric efficiency calibration combustion temperature to account for engine cylinder intake air and fuel dynamics under conditions deviating away from calibration conditions. The significance of the combustion temperature deviation on cylinder intake air and fuel heating is evaluated in accord with engine intake mass airflow information. The corrected volumetric efficiency is applied for improved cylinder intake air mass determination and for precise cylinder air/fuel ratio control.

REFERENCES:
patent: 4928654 (1990-05-01), Hosaka
patent: 4957088 (1990-09-01), Hosaka
patent: 5080064 (1992-01-01), Buslepp et al.
patent: 5345914 (1994-09-01), Tang
patent: 5423208 (1995-06-01), Dudek et al.
patent: 5448978 (1995-09-01), Hasegawa et al.
Ser. No. 07/948,568 filed Sep. 23, 1992 Tang G-10001.
Ser. No. 08/217,824 filed Mar. 25, 1994 Dudek et al. G-11667.

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