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FUEL SUPPLY CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE AND FUEL SUPPLY CONTROL METHOD THEREOF

  • US 20110238282A1
  • Filed: 09/24/2010
  • Published: 09/29/2011
  • Est. Priority Date: 03/23/2010
  • Status: Active Grant
First Claim
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1. A fuel supply control apparatus for controlling an electric fuel pump in an internal combustion engine provided with the electric fuel pump for pumping fuel to a fuel injection valve and a pressure regulator for regulating fuel pressure at set pressure, comprising:

  • an electric power reducing unit which temporarily reduces driving electric power for the electric fuel pump;

    a pressure estimating unit which estimates a change amount of the fuel pressure for when the driving electric power is temporarily reduced; and

    an electric power correcting unit which corrects the driving electric power based on the change amount of the fuel pressure.

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