AXIAL TURBINE FOR A TURBO CHARGER

In an axial turbine for exhaust gas turbochargers, the inner wall of the rotationally symmetrical exhaust gas deflection duct is designed as a deflection collar rigidly connected to the turbocharger shaft and rotating with it. The outer diameter of the deflection collar is greater than the diameter...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	HORLER, HANSULRICH
Format:	Patent
Sprache:	eng ; ger
Schlagworte:	AIR INTAKES FOR JET-PROPULSION PLANTS BLASTING COMBUSTION ENGINES COMBUSTION ENGINES IN GENERAL CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS ENGINE PLANTS IN GENERAL GAS-TURBINE PLANTS HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS INTERNAL-COMBUSTION PISTON ENGINES LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES STEAM ENGINES WEAPONS
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Beschreibung
Zusammenfassung:	In an axial turbine for exhaust gas turbochargers, the inner wall of the rotationally symmetrical exhaust gas deflection duct is designed as a deflection collar rigidly connected to the turbocharger shaft and rotating with it. The outer diameter of the deflection collar is greater than the diameter of the turbine disc and, at maximum, equal to the outer diameter of the turbine rotor. An element for contactless sealing of the exhaust gas deflection duct is provided between the rotating deflection collar and the casing. The element for contactless sealing of the deflection duct preferably consists of two labyrinth seals located on a cylindrical surface opening inwards, the sealing air being supplied radially from within between the labyrinth seals by means of a sealing air duct.