Method for stopping internal combustion engine

The present invention relates to a method for stopping an internal combustion engine with multiple cylinders, so that after one of the multiple cylinders is completely stopped, the inert gas rate is lower than a preset threshold.After the stop request (400) for the internal combustion engine, the nu...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: ZEHMISCH YVES, UHL STEPHAN
Format: Patent
Sprache:chi ; eng
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Beschreibung
Zusammenfassung:The present invention relates to a method for stopping an internal combustion engine with multiple cylinders, so that after one of the multiple cylinders is completely stopped, the inert gas rate is lower than a preset threshold.After the stop request (400) for the internal combustion engine, the number of exhaust strokes (N1) that may occur under the current and/or set operating conditions of the internal combustion engine for a specific cylinder is determined. If the number of exhaust strokes (N1) that may occur for a particular cylinder during shutdown may not be enough to make the inert gas rate (R) lower than the preset threshold after one of the plurality of cylinders is completely stopped, the fade operation (430) is performed for at least one work cycle after the shutdown request (400), In the fading operation, injection of fuel is not performed in one of the plurality of cylinders and the internal combustion engine is operated in the remaining cylinders; and wherein the shutdown of the internal combu