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Method for optimizing fuel consumption in a machine powered by an internal combustion engine

  • US 7,206,689 B1
  • Filed: 02/20/2006
  • Issued: 04/17/2007
  • Est. Priority Date: 02/20/2006
  • Status: Active Grant
First Claim
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1. A method for optimizing fuel consumption in a machine powered by an internal combustion engine, comprising:

  • providing a fuel economy map associated at least in part with said internal combustion engine, said fuel economy map defining a fuel economy at a plurality of operating points of said internal combustion engine;

    determining a reserve need associated with said machine;

    determining an available reserve of said internal combustion engine for said plurality of operating points;

    identifying each operating point of said plurality of operating points having an acceptable reserve, said acceptable reserve being said available reserve that satisfies said reserve need;

    evaluating said fuel economy for said each operating point; and

    defining an output value for said each operating point based on said fuel economy and said acceptable reserve.

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