PISTON FOR A TWO-STROKE LOCOMOTIVE DIESEL ENGINE HAVING AN EGR SYSTEM

The present invention is directed to a piston with a unique bowl geometry for optimizing a two-stroke locomotive diesel engine having an exhaust gas recirculation ("EGR") system. This piston achieves a reduced level of smoke and particulate matter; promotes the mixing process in the engine...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	GRACZYK, FRANK, M, HEILENBACH, JAMES, W, SINKO, KENNETH, M
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES BLASTING COMBUSTION ENGINES CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS LIGHTING MECHANICAL ENGINEERING WEAPONS
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Beschreibung
Zusammenfassung:	The present invention is directed to a piston with a unique bowl geometry for optimizing a two-stroke locomotive diesel engine having an exhaust gas recirculation ("EGR") system. This piston achieves a reduced level of smoke and particulate matter; promotes the mixing process in the engine cylinder; and provides a lower compression ratio for reducing NOx emissions. La présente invention porte sur un piston comportant une nouvelle géométrie de cuvette destinée à optimiser un moteur diesel de locomotive à deux temps possédant un système de recirculation des gaz d'échappement (« EGR »). Ce piston permet d'obtenir un niveau réduit de fumée et de particules ; il favorise le processus de mélange dans le cylindre du moteur ; et il donne un rapport de compression abaissé pour réduire les émissions de NOx.