Angel wing abradable seal and sealing method

Angel wing abradable seal and sealing method

An abradable seal (40) is provided to improve turbine performance by physically reducing the clearance between a flange portion (28, 30, 32) of the nozzle (34, 36) and an opposed angel wing/seal plate member (14. 16, 18) of the bucket (10). The provision of an abradable seal also mitigates angel win...

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Hauptverfasser: MCGOVERN, TARA EASTER, FANG, BIAO, WOLFE, CHRISTOPHER E, CHENG, YINGUO
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
BLASTING
ENGINE PLANTS IN GENERAL
HEATING
LIGHTING
MACHINES OR ENGINES IN GENERAL
MECHANICAL ENGINEERING
NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES
STEAM ENGINES
WEAPONS
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creator MCGOVERN, TARA EASTER
FANG, BIAO
WOLFE, CHRISTOPHER E
CHENG, YINGUO
description An abradable seal (40) is provided to improve turbine performance by physically reducing the clearance between a flange portion (28, 30, 32) of the nozzle (34, 36) and an opposed angel wing/seal plate member (14. 16, 18) of the bucket (10). The provision of an abradable seal also mitigates angel wing/seal plate tooth or fin (22,24,26) wear by providing for abradable contact without metal to metal hard rub.
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subjects BLASTING
ENGINE PLANTS IN GENERAL
HEATING
LIGHTING
MACHINES OR ENGINES IN GENERAL
MECHANICAL ENGINEERING
NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES
STEAM ENGINES
WEAPONS
title Angel wing abradable seal and sealing method
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