Torque controller for internal combustion engine

Details Torque controller for internal combustion engine Torque controller for internal combustion engine

1998-12-15

2000-11-14

Argenbright, Tony M.

Internal-combustion engines

Combustion chamber means having fuel injection only

Combustible mixture stratification means

123399, 123436, 123486, F02B 1700, F02D 4114

Patent

active

061454893

ABSTRACT:
A torque controller for a direct-injection type internal combustion engine achieves the target engine torque accurately, without being affected by the combustion mode. The combustion efficiency is different depending on whether an engine combustion mode is in a homogeneous combustion mode or a stratified combustion mode. The torque controller calculates an eventual target intake air flow rate TTP2 based on the target intake air flow rate TTPO, the target air/fuel ratio tDML, and the combustion efficiency correction rate ITAF, which is calculated based on the combustion mode.

REFERENCES:
patent: 5813386 (1998-09-01), Okada et al.
patent: 5832895 (1998-11-01), Takahashi et al.
patent: 5931138 (1999-08-01), Uchida
patent: 6006717 (1999-12-01), Suzuki et al.
patent: 6006724 (1999-12-01), Takahashi et al.
patent: 6024069 (2000-02-01), Yoshino
patent: 6026779 (2000-02-01), Obata et al.
Nissan Motor Co., Ltd.; "Nissan Direct-Injection Engine"; NeoDi Direct Injection; pp. 1-19.

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