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METHOD AND SYSTEM FOR MONITORING PROCESS STATES OF AN INTERNAL COMBUSTION ENGINE

  • US 20090281737A1
  • Filed: 06/08/2009
  • Published: 11/12/2009
  • Est. Priority Date: 12/07/2006
  • Status: Active Grant
First Claim
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1. A method of monitoring at least one process state of an internal combustion engine having a combustion chamber, the method comprising:

  • measuring compositions of educts (ma, mf) entering a combustion chamber;

    determining, based on the compositions of the educts (ma, mf), a composition of a product produced by the combustion chamber;

    determining mechanical power (Pmech) generated by the internal combustion engine; and

    determining a value of at least one process state based on the mechanical power (Pmech), the composition of the educts (ma, mf) and product, and stoichiometric relationships of educts and product.

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