Air intake method and controller for engines performing stratifi

Details Air intake method and controller for engines performing stratifi Air intake method and controller for engines performing stratifi

1997-11-17

1999-10-05

Solis, Erick R.

Internal-combustion engines

Means to whirl fluid before, upon, or after entry into...

Having multiple oxidant inlet means

123295, F02B 3100

Patent

active

059607696

ABSTRACT:
An engine having an air intake passage for drawing air into a combustion chamber and an injecting device for injecting fuel into the combustion chamber. A mixture of air and fuel undergoes stratified charge combustion. Sensors detect the operating conditions of the engine, and a swirl control valve opens and closes the air intake passage to swirl the air-fuel mixture. An actuator drives the swirl control valve. A computer computes a target opening angle of the swirl control valve in response to the detected operating conditions. A controller controls the force of the swirl by controlling the actuator in accordance with the computed target opening angle. A detector detects fluctuation of engine rotation. A corrector corrects the target opening angle in response to the detected fluctuation of the engine rotation to improve the performance of the engine.

REFERENCES:
patent: 5765524 (1998-06-01), Ohsuga et al.
patent: 5819706 (1998-10-01), Tsuchida et al.
patent: 5887568 (1999-03-01), Takeyama et al.

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