METHOD FOR OPERATING AN INTERNAL COMBUSTION ENGINE HAVING A PLURALITY OF CYLINDERS IN HOMOGENEOUS OPERATION

A method is described for operating an internal combustion engine, having a plurality of cylinders in an homogeneous operation, in which an exhaust gas lambda value and an unsteady running of the internal combustion engine are recorded, a mixture composition being cyclically varied, at least intermi...

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Bibliographische Detailangaben
Hauptverfasser:	JESSEN HOLGER, TIEBEL WOLFGANG
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING COMBUSTION ENGINES CONTROLLING COMBUSTION ENGINES HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS LIGHTING MECHANICAL ENGINEERING WEAPONS
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Beschreibung
Zusammenfassung:	A method is described for operating an internal combustion engine, having a plurality of cylinders in an homogeneous operation, in which an exhaust gas lambda value and an unsteady running of the internal combustion engine are recorded, a mixture composition being cyclically varied, at least intermittently. In a test operation, the mixture composition is cyclically varied, in a selected cylinder, about a determined lambda value, whereas meanwhile the mixture composition is held constant in the remaining cylinders. From the magnitude of a cyclical fluctuation of the unsteady running or of a variable characterizing this, one may conclude upon a trimming of the mixture composition in the selected cylinder.