Internal combustion engine air intake regulating system

Details Internal combustion engine air intake regulating system Internal combustion engine air intake regulating system

1994-06-14

1995-06-27

Kamen, Noah P.

Internal-combustion engines

Charge forming device

Auxiliary air or oxygen added to combustible mixture

123587, F02B 2300

Patent

active

054270812

ABSTRACT:
The present invention involves an air regulation system for an internal combustion engine. The system comprises an air intake manifold, in turn presenting a main conduit with a throttle valve, and a bypass conduit with a regulating valve. An inlet and outlet are defined along the main conduit respectively upstream and downstream from the throttle valve. The system includes a device for controlling the regulating valve and sensors for detecting the speed and air intake of the engine. A processor determines the regulating valve control signal on the basis of engine speed. The processor then calculates the theoretical position of the regulating valve on the basis of engine speed and load. The processor calculates the estimated post-control position of the regulating valve on the basis of the readings of the sensors and compares the theoretical and estimated positions to generate an error signal. Finally, the processor varies the regulating valve control signal on the basis of the error signal.

REFERENCES:
patent: 4538578 (1985-09-01), Suzuki et al.
patent: 4856475 (1989-08-01), Shimomura

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