EP2236768A3 - Dichtungsanordnung für eine Turbomaschine - Google Patents

Dichtungsanordnung für eine Turbomaschine Download PDF

Info

Publication number
EP2236768A3
EP2236768A3 EP10155312.1A EP10155312A EP2236768A3 EP 2236768 A3 EP2236768 A3 EP 2236768A3 EP 10155312 A EP10155312 A EP 10155312A EP 2236768 A3 EP2236768 A3 EP 2236768A3
Authority
EP
European Patent Office
Prior art keywords
seal assembly
wheel
turbomachine seal
turbomachine
bucket
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP10155312.1A
Other languages
English (en)
French (fr)
Other versions
EP2236768A2 (de
Inventor
Matthew Robert Piersall
Jr. John Wesley Harris
Brian Denver Potter
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
General Electric Co
Original Assignee
General Electric Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by General Electric Co filed Critical General Electric Co
Publication of EP2236768A2 publication Critical patent/EP2236768A2/de
Publication of EP2236768A3 publication Critical patent/EP2236768A3/de
Withdrawn legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/02—Blade-carrying members, e.g. rotors
    • F01D5/08—Heating, heat-insulating or cooling means
    • F01D5/081—Cooling fluid being directed on the side of the rotor disc or at the roots of the blades
    • F01D5/082—Cooling fluid being directed on the side of the rotor disc or at the roots of the blades on the side of the rotor disc
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
    • F01D11/005—Sealing means between non relatively rotating elements
    • F01D11/006—Sealing the gap between rotor blades or blades and rotor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
    • F01D11/02—Preventing or minimising internal leakage of working-fluid, e.g. between stages by non-contact sealings, e.g. of labyrinth type
    • F01D11/04—Preventing or minimising internal leakage of working-fluid, e.g. between stages by non-contact sealings, e.g. of labyrinth type using sealing fluid, e.g. steam
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • 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
    • F05D2240/00—Components
    • F05D2240/55—Seals
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • 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
    • F05D2240/00—Components
    • F05D2240/55—Seals
    • F05D2240/57—Leaf seals

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
EP10155312.1A 2009-03-12 2010-03-03 Dichtungsanordnung für eine Turbomaschine Withdrawn EP2236768A3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US12/402,808 US20100232939A1 (en) 2009-03-12 2009-03-12 Machine Seal Assembly

Publications (2)

Publication Number Publication Date
EP2236768A2 EP2236768A2 (de) 2010-10-06
EP2236768A3 true EP2236768A3 (de) 2014-12-24

Family

ID=42337449

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10155312.1A Withdrawn EP2236768A3 (de) 2009-03-12 2010-03-03 Dichtungsanordnung für eine Turbomaschine

Country Status (4)

Country Link
US (1) US20100232939A1 (de)
EP (1) EP2236768A3 (de)
JP (1) JP5475511B2 (de)
CN (1) CN101893001A (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8142141B2 (en) * 2009-03-23 2012-03-27 General Electric Company Apparatus for turbine engine cooling air management
US8277172B2 (en) * 2009-03-23 2012-10-02 General Electric Company Apparatus for turbine engine cooling air management
US8845284B2 (en) 2010-07-02 2014-09-30 General Electric Company Apparatus and system for sealing a turbine rotor
US20130094969A1 (en) * 2011-10-17 2013-04-18 General Electric Company System for sealing a shaft
US9217334B2 (en) 2011-10-26 2015-12-22 General Electric Company Turbine cover plate assembly
US9080456B2 (en) 2012-01-20 2015-07-14 General Electric Company Near flow path seal with axially flexible arms
US8864453B2 (en) 2012-01-20 2014-10-21 General Electric Company Near flow path seal for a turbomachine
FR2999641B1 (fr) * 2012-12-17 2014-12-26 Snecma Etage de turbomachine
EP2949873A1 (de) * 2014-05-27 2015-12-02 Siemens Aktiengesellschaft Turbomaschine mit Aufnahmeschutz und Verwendung der Turbomaschine
US10161257B2 (en) * 2015-10-20 2018-12-25 General Electric Company Turbine slotted arcuate leaf seal
EP3438410B1 (de) 2017-08-01 2021-09-29 General Electric Company Dichtungssystem für eine rotationsmaschine
FI129562B (fi) * 2019-06-24 2022-04-29 Flaektgroup Sweden Ab Menetelmä ilmanvaihtokanavien ja/tai niiden päätelaitteiden välisen tiivisteen muodostamiseksi sekä tiiviste

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US3807898A (en) * 1970-03-14 1974-04-30 Secr Defence Bladed rotor assemblies
US4480958A (en) * 1983-02-09 1984-11-06 The United States Of America As Represented By The Secretary Of The Air Force High pressure turbine rotor two-piece blade retainer
JPS61205303A (ja) * 1985-03-06 1986-09-11 Mitsubishi Heavy Ind Ltd タ−ビン動翼の軸方向翼止装置
US20040062643A1 (en) * 2002-09-30 2004-04-01 General Electric Company Turbomachinery blade retention system
JP2007032282A (ja) * 2005-07-22 2007-02-08 Kawasaki Heavy Ind Ltd タービンロータのシールリング
EP1905955A1 (de) * 2006-09-25 2008-04-02 Siemens Aktiengesellschaft Turbinenrotor mit Verschlussplatten und entsprechendes Montageverfahren

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NL295165A (de) * 1962-07-11
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BE792286A (fr) * 1971-12-06 1973-03-30 Gen Electric Dispositif de retenue d'aubes sans boulon pour un rotor de turbomachin
US3814539A (en) * 1972-10-04 1974-06-04 Gen Electric Rotor sealing arrangement for an axial flow fluid turbine
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US5257909A (en) * 1992-08-17 1993-11-02 General Electric Company Dovetail sealing device for axial dovetail rotor blades
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US5429478A (en) * 1994-03-31 1995-07-04 United Technologies Corporation Airfoil having a seal and an integral heat shield
EP0789806B1 (de) * 1994-10-31 1998-07-29 Westinghouse Electric Corporation Gasturbinenschaufel mit gekühlter schaufelplattform
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JPH10252412A (ja) * 1997-03-12 1998-09-22 Mitsubishi Heavy Ind Ltd ガスタービンシール装置
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JPH10259703A (ja) * 1997-03-18 1998-09-29 Mitsubishi Heavy Ind Ltd ガスタービンのシュラウド及びプラットフォームシールシステム
GB2332024B (en) * 1997-12-03 2000-12-13 Rolls Royce Plc Rotary assembly
US5993160A (en) * 1997-12-11 1999-11-30 Pratt & Whitney Canada Inc. Cover plate for gas turbine rotor
US6220814B1 (en) * 1998-07-16 2001-04-24 Siemens Westinghouse Power Corporation Turbine interstage sealing arrangement
US6273683B1 (en) * 1999-02-05 2001-08-14 Siemens Westinghouse Power Corporation Turbine blade platform seal
DE50004724D1 (de) * 1999-03-19 2004-01-22 Siemens Ag Gasturbinenrotor mit innenraumgekühlter gasturbinenschaufel
US6190131B1 (en) * 1999-08-31 2001-02-20 General Electric Co. Non-integral balanced coverplate and coverplate centering slot for a turbine
US6315298B1 (en) * 1999-11-22 2001-11-13 United Technologies Corporation Turbine disk and blade assembly seal
FR2817290B1 (fr) * 2000-11-30 2003-02-21 Snecma Moteurs Flasque de disque aubage de rotor et agencement correspondant
US6506016B1 (en) * 2001-11-15 2003-01-14 General Electric Company Angel wing seals for blades of a gas turbine and methods for determining angel wing seal profiles
US6669443B2 (en) * 2001-11-16 2003-12-30 General Electric Company Rotor platform modification and methods using brush seals in diaphragm packing area of steam turbines to eliminate rotor bowing
GB0219781D0 (en) * 2002-08-23 2002-10-02 Rolls Royce Plc Seals and a method of making seals
US6779972B2 (en) * 2002-10-31 2004-08-24 General Electric Company Flowpath sealing and streamlining configuration for a turbine
US6945749B2 (en) * 2003-09-12 2005-09-20 Siemens Westinghouse Power Corporation Turbine blade platform cooling system
JP3864157B2 (ja) * 2003-12-05 2006-12-27 本田技研工業株式会社 軸流型タービンホイール
GB0412476D0 (en) * 2004-06-04 2004-07-07 Rolls Royce Plc Seal system
JP2006009576A (ja) * 2004-06-22 2006-01-12 Matsushita Electric Ind Co Ltd スクロール圧縮機
US7121800B2 (en) * 2004-09-13 2006-10-17 United Technologies Corporation Turbine blade nested seal damper assembly
US7264448B2 (en) * 2004-10-06 2007-09-04 Siemens Power Corporation, Inc. Remotely accessible locking system for turbine blades
JP2006266454A (ja) * 2005-03-25 2006-10-05 Matsumura Koki Kk リング及びシール構造
US7189055B2 (en) * 2005-05-31 2007-03-13 Pratt & Whitney Canada Corp. Coverplate deflectors for redirecting a fluid flow
US7465152B2 (en) * 2005-09-16 2008-12-16 General Electric Company Angel wing seals for turbine blades and methods for selecting stator, rotor and wing seal profiles
US7484936B2 (en) * 2005-09-26 2009-02-03 Pratt & Whitney Canada Corp. Blades for a gas turbine engine with integrated sealing plate and method
US20070114727A1 (en) * 2005-11-21 2007-05-24 General Electric Company Seal member, assembly and method
US8206119B2 (en) * 2009-02-05 2012-06-26 General Electric Company Turbine coverplate systems

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3807898A (en) * 1970-03-14 1974-04-30 Secr Defence Bladed rotor assemblies
US4480958A (en) * 1983-02-09 1984-11-06 The United States Of America As Represented By The Secretary Of The Air Force High pressure turbine rotor two-piece blade retainer
JPS61205303A (ja) * 1985-03-06 1986-09-11 Mitsubishi Heavy Ind Ltd タ−ビン動翼の軸方向翼止装置
US20040062643A1 (en) * 2002-09-30 2004-04-01 General Electric Company Turbomachinery blade retention system
JP2007032282A (ja) * 2005-07-22 2007-02-08 Kawasaki Heavy Ind Ltd タービンロータのシールリング
EP1905955A1 (de) * 2006-09-25 2008-04-02 Siemens Aktiengesellschaft Turbinenrotor mit Verschlussplatten und entsprechendes Montageverfahren

Also Published As

Publication number Publication date
JP5475511B2 (ja) 2014-04-16
CN101893001A (zh) 2010-11-24
EP2236768A2 (de) 2010-10-06
US20100232939A1 (en) 2010-09-16
JP2010216657A (ja) 2010-09-30

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