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Title: Sealing device

Abstract

A sealing device for sealing a gap between a dovetail of a bucket assembly and a rotor wheel is disclosed. The sealing device includes a cover plate configured to cover the gap and a retention member protruding from the cover plate and configured to engage the dovetail. The sealing device provides a seal against the gap when the bucket assemply is subjected to a centrifugal force.

Inventors:
Issue Date:
Research Org.:
General Electric Company, Schenectady, NY, USA
Sponsoring Org.:
USDOE
OSTI Identifier:
1109481
Patent Number(s):
8602737
Application Number:
12/823,483
Assignee:
General Electric Company (Schenectady, NY)
Patent Classifications (CPCs):
F - MECHANICAL ENGINEERING F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04 F05D - INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
F - MECHANICAL ENGINEERING F01 - MACHINES OR ENGINES IN GENERAL F01D - NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
DOE Contract Number:  
FC26-05NT42643
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
47 OTHER INSTRUMENTATION

Citation Formats

Garcia-Crespo, Andres Jose. Sealing device. United States: N. p., 2013. Web.
Garcia-Crespo, Andres Jose. Sealing device. United States.
Garcia-Crespo, Andres Jose. Tue . "Sealing device". United States. https://www.osti.gov/servlets/purl/1109481.
@article{osti_1109481,
title = {Sealing device},
author = {Garcia-Crespo, Andres Jose},
abstractNote = {A sealing device for sealing a gap between a dovetail of a bucket assembly and a rotor wheel is disclosed. The sealing device includes a cover plate configured to cover the gap and a retention member protruding from the cover plate and configured to engage the dovetail. The sealing device provides a seal against the gap when the bucket assemply is subjected to a centrifugal force.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2013},
month = {12}
}

Works referenced in this record:

Turbine interstage sealing arrangement
patent, April 2001


Gas turbine moving blade
patent, November 2002


Gas turbine shroud and platform seal system
patent, October 1999


Seal apparatus for rotary machines
patent, November 2001


Gas turbine seal apparatus
patent, February 2001


Rotor for a gas turbine
patent, July 2002


Turbine blade platform seal
patent, August 2001


Sealing mechanism with pivot plate and rope seal
patent, September 2011


Gas turbine blade platform cooling concept
patent, September 2000


Turbine blade platform cooling system
patent, September 2005


Seal plate for a gas turbine moving blade
patent, July 2000