Patent ID: 7363920

Claim:
A fuel supply control system for an internal combustion engine having fuel injection means for injecting fuel into an intake pipe or a combustion chamber of said engine, said fuel supply control system comprising: intake air flow rate detecting means for detecting a flow rate of air supplied to said engine; air-fuel ratio detecting means provided in an exhaust system of said engine for detecting an air-fuel ratio of an air-fuel mixture in said combustion chamber; fuel injection amount setting means for setting a demand fuel injection amount according to an operating condition of said engine; command value calculating means for calculating an injection amount command value of fuel injected by said fuel injection means according to the demand fuel injection amount; burned fuel amount estimating means for estimating an amount of fuel burned in said engine according to the detected intake air flow rate and the detected air-fuel ratio; identifying means for identifying at least two correlation parameters indicating a relationship between the estimated burned fuel amount and the injection amount command value; and correcting means for correcting the injection amount command value according to the at least two correlation parameters identified by said identifying means.