Suction air control apparatus of internal combustion engine

Details Suction air control apparatus of internal combustion engine Suction air control apparatus of internal combustion engine

1997-02-03

1998-06-02

Nelli, Raymond A.

Internal-combustion engines

Engine speed regulator

Open loop condition responsive

F02D 700

Patent

active

057586217

ABSTRACT:
A suction air control apparatus of an internal combustion engine in which amount of the suction air is presumed to prevent occurrence of overshoot and realize a smooth running is provided. The apparatus comprises throttle opening degree control means for driving a throttle valve provided in a suction system to control throttle opening degree to a target throttle opening degree set in accordance with an operation state for regulating amount of the suction air; suction air amount presumption means for presuming an amount of the suction air corresponding to a target throttle opening degree of the throttle opening degree control means based on an operation state; suction air amount rapid increase judgment means for judging rapid increase of the suction air amount from fluctuation of the suction air amount presumed by the suction air amount presumption means; and target throttle opening degree correction means for restrictively correcting the target throttle opening degree when the suction air amount rapid increase judgment means judges rapid increase of the suction air amount.

REFERENCES:
patent: 5606951 (1997-03-01), Southern et al.
patent: 5619967 (1997-04-01), Streib
patent: 5622151 (1997-04-01), Lang
patent: 5645033 (1997-07-01), Person et al.

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