Method and device for operating an internal combustion engine

The invention relates to the operation of an internal combustion engine, a first model value or a second model value of the exhaust gas counter pressure is determined upstream of the exhaust gas catalytic converter of the internal combustion engine as a function of at least one operating variable of...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	ESER GERHARD, SCHOPP GERHARD, KLINGSEIS BERNHARD
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TOTRANSPORTATION COMBUSTION ENGINES CONTROLLING COMBUSTION ENGINES GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS LIGHTING MECHANICAL ENGINEERING TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE WEAPONS
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Beschreibung
Zusammenfassung:	The invention relates to the operation of an internal combustion engine, a first model value or a second model value of the exhaust gas counter pressure is determined upstream of the exhaust gas catalytic converter of the internal combustion engine as a function of at least one operating variable of the internal combustion engine, which is representative of the exhaust gas counter pressure in a current operating mode of the internal combustion engine, assuming a low valve lift or a high valve lift.