Method for operating a multi-cylinder internal combustion engine with NOx-catalyst

Process for operating a multi-cylinder IC engine comprises not allowing a lambda degree of effectiveness of the cylinders of the engine operating with a lean or stoichiometric air-fuel ratio to exceed a prescribed gradient during the transition from the normal operation to the heating region or from...

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Bibliographische Detailangaben
Hauptverfasser:	HARTMANN, DIRK, SIRUR, SUJAY, WAGNER, JENS
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BLASTING COMBUSTION ENGINES CONTROLLING COMBUSTION ENGINES ENGINE PLANTS IN GENERAL GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNALCOMBUSTION ENGINES GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES ORENGINES IN GENERAL HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING STEAM ENGINES WEAPONS
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Beschreibung
Zusammenfassung:	Process for operating a multi-cylinder IC engine comprises not allowing a lambda degree of effectiveness of the cylinders of the engine operating with a lean or stoichiometric air-fuel ratio to exceed a prescribed gradient during the transition from the normal operation to the heating region or from the heating region into the normal region. Independent claims are also included for the following: (1) Control device used in the above process; and (2) Computer program which can be loaded on a microprocessor.