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Method for determining an exhaust gas recirculation amount

  • US 6,981,492 B2
  • Filed: 09/24/2004
  • Issued: 01/03/2006
  • Est. Priority Date: 09/26/2003
  • Status: Expired due to Fees
First Claim
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1. A method for determining an exhaust gas recirculation amount for an internal combustion engine, having a cylinder (3) with an intake duct (1) and an exhaust duct (2), comprising the steps of:

  • determining an outer exhaust gas recirculation amount from an exhaust gas temperature (T3), a fresh gas amount (m2) and an inner exhaust gas recirculation amount (mRi, mRiO), said inner exhaust gas recirculation amount (mRi, mRiO) taking into account the combustion gas amount (mRio7) which remains in the cylinder (3) of the internal combustion engine during a charge change.

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