Method for operating an internal combustion engine

In a method for operating an internal combustion engine with exhaust gas purification system, a rich-burn mode of the internal combustion engine with a rich exhaust gas composition or a lean-burn mode of the internal combustion engine with a lean exhaust gas composition is set alternately, and the q...

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Bibliographische Detailangaben
Hauptverfasser: Abet, Oliver, Hertweck, Gernot, Muehleisen, Thomas, Stotz, Marco
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:In a method for operating an internal combustion engine with exhaust gas purification system, a rich-burn mode of the internal combustion engine with a rich exhaust gas composition or a lean-burn mode of the internal combustion engine with a lean exhaust gas composition is set alternately, and the quantity of fuel which is introduced during a combustion cycle of the internal combustion engine is introduced by at least one preinjection, at least one main injection and at least one afterinjection.