Patent ID: 6109242
Filing Date: 2000-08-29
Classification: F02D,F02P

Abstract:
A fuel control system for an internal combustion engine comprising:a cylinder-common fuel injection quantity correcting means for each cylinder for correcting a fuel injection quantity to be supplied to each cylinder so that a sum of the fuel injection quantities to be supplied to the cylinders of the internal combustion engine having a plurality of cylinders varies in each combustion cycle of each said cylinder;a cylinder-individual fuel injection quantity correcting means for correcting the fuel injection quantity in each cylinder so that a difference in a combustion state value between a first cylinder of the internal combustion engine and that of a second cylinder thereof decreases; anda fuel injecting means for injecting into each cylinder the fuel injection quantity for each cylinder of the internal combustion engine as corrected by said cylinder-individual fuel injection quantity correcting means and said cylinder-common fuel injection quantity correcting means, whereinsaid cylinder-common fuel injection quantity correcting means corrects the fuel injection quantity to be supplied to each said cylinder in accordance with the fuel injection quantity for each cylinder corrected by said cylinder-individual fuel injection quantity correcting means.