Turbine housing and turbocharger including the same

A turbine housing includes an outer housing portion which includes an inner wall internally forming a spiral space, a first heat shield core which separates the spiral space into a scroll flow passage where an exhaust gas flows and a heat shield space positioned on a side of the inner wall, the firs...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Ishii, Yuta, Sakuma, Shigeyoshi, Sakamoto, Keigo, Watanabe, Daigo, Katou, Eigo, Arai, Takashi
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING COMBUSTION ENGINES COMBUSTION ENGINES IN GENERAL HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS INTERNAL-COMBUSTION PISTON ENGINES LIGHTING MECHANICAL ENGINEERING NON-POSITIVE DISPLACEMENT PUMPS POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS WEAPONS
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Beschreibung
Zusammenfassung:	A turbine housing includes an outer housing portion which includes an inner wall internally forming a spiral space, a first heat shield core which separates the spiral space into a scroll flow passage where an exhaust gas flows and a heat shield space positioned on a side of the inner wall, the first heat shield core being disposed so as to face the inner wall in the spiral space, a variable nozzle unit for adjusting a flow of the exhaust gas from the scroll flow passage toward an impeller, the variable nozzle unit being disposed on a side opposite to the outer housing portion across the first heat shield core in an axial direction, and at least one annular seal portion disposed between the first heat shield core and the outer housing portion in the axial direction.