Patent ID: 6318083
Filing Date: 2001-11-20
Classification: F02D,Y02T

Abstract:
An intake air control device of an engine with a charger, in which a throttle valve of which opening degree is electronically controlled to a target opening degree and the charger on the upstream side of said throttle valve are installed in an intake passage of the engine; comprising:a target supercharged pressure setting means for setting a target supercharged pressure of said charger;a supercharged pressure detecting means for detecting a supercharged pressure on the upstream side of the throttle valve;a target supercharged pressure correction means for correcting the target supercharged pressure in a direction of eliminating a delay in an intake air amount based upon a difference between said target supercharged pressure that has been set and the real supercharged pressure that is detected; anda target opening degree setting means for setting a target opening degree of said electronically controlled throttle valve based on the corrected target supercharged pressure.