Patent ID: 7395808
Filing Date: 2008-07-08
Classification: F01N,F02D,Y02A,Y02T

Abstract:
1. A control system for controlling an internal combustion engine with an exhaust system provided with a catalyst, comprising a fuel cut means for executing a fuel cut stopping the supply of fuel to said internal combustion engine when the vehicle in which said 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 said fuel cut is executed, when the speed of said vehicle is higher than a predetermined first vehicle speed, the intake air amount of said internal combustion engine is made smaller than the intake air amount of when said internal combustion engine is in the idling state, while when the speed of said vehicle is said first vehicle speed or less, the intake air amount of said internal combustion engine is made larger than the intake air amount of when said internal combustion engine is in the idling state.