Control system of internal combustion engine

Details Control system of internal combustion engine Control system of internal combustion engine

2008-07-08

2008-07-08

Moulis, Thomas N (Department: 3747)

Internal-combustion engines

Engine speed regulator

Responsive to deceleration mode

C123S326000, C123S327000, C123S493000

Reexamination Certificate

active

07395808

ABSTRACT:
There is provided a control system for controlling an internal combustion engine with an exhaust system provided with a catalyst, comprising a fuel cut means for stopping the supply of fuel to the internal combustion engine when the vehicle in which the internal combustion engine is mounted is in a decelerating state, the control system of an internal combustion engine characterized in that, in the case that the fuel cut is executed, when the speed SPD of the vehicle is higher than a predetermined first vehicle speed Sh, the intake air amount Ga of the internal combustion engine is made smaller than the intake air amount Gai of when the internal combustion engine is in the idling state (step120), while when the speed SPD is the first vehicle speed Sh or less, the intake air amount Ga is made larger than the intake air amount Gai of when the internal combustion engine is in the idling state (step130).

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