Dummy ring assembly for removing vane segments, and method of removing vane segments using same

Dummy ring assembly for removing vane segments, and method of removing vane segments using same

A dummy ring assembly for removal is provided with a plurality of dummy rings. Each of the dummy rings has a dummy shroud section fitted into a vane ring groove of a casing into which a shroud of a vane segment is fitted, and has an arc shape whose central angle centered on a rotational axis is less...

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Hauptverfasser: Waki, Kunihiko, Hashimoto, Takuro, Arase, Kenichi
Format: Patent
Sprache:eng
Schlagworte:
BLASTING
ENGINE PLANTS IN GENERAL
HEATING
LIGHTING
MACHINES OR ENGINES IN GENERAL
MECHANICAL ENGINEERING
NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES
NON-POSITIVE DISPLACEMENT PUMPS
POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS
PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
STEAM ENGINES
WEAPONS
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creator Waki, Kunihiko
Hashimoto, Takuro
Arase, Kenichi
description A dummy ring assembly for removal is provided with a plurality of dummy rings. Each of the dummy rings has a dummy shroud section fitted into a vane ring groove of a casing into which a shroud of a vane segment is fitted, and has an arc shape whose central angle centered on a rotational axis is less than 90°. The dummy shroud sections of the plurality of dummy rings are fitted sequentially into the vane ring groove of the casing. The vane segment is removed from the casing by moving the dummy rings in a circumferential direction along the vane ring groove.
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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
NON-POSITIVE DISPLACEMENT PUMPS
POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS
PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
STEAM ENGINES
WEAPONS
title Dummy ring assembly for removing vane segments, and method of removing vane segments using same
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