EP2236768A3 - Turbomachine seal assembly - Google Patents

Turbomachine seal assembly 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Withdrawn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
German (de)
French (fr)
Other versions
EP2236768A2 (en
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/en
Publication of EP2236768A3 publication Critical patent/EP2236768A3/en
Withdrawn legal-status Critical Current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)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)

Abstract

A machine (100) and a seal (108, 904) assembly (101) for a machine (100) having a rotating shaft (106), a wheel (104) coupled to the rotating shaft (106), the wheel (104) including a bucket (102) coupled to the wheel (104) comprising a seal (108, 904) that extends along a side of the bucket (102) and the wheel (104), covering an interface (804) there between.
EP10155312.1A 2009-03-12 2010-03-03 Turbomachine seal assembly Withdrawn EP2236768A3 (en)

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 (en) 2010-10-06
EP2236768A3 true EP2236768A3 (en) 2014-12-24

Family

ID=42337449

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10155312.1A Withdrawn EP2236768A3 (en) 2009-03-12 2010-03-03 Turbomachine seal assembly

Country Status (4)

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

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
US8864453B2 (en) 2012-01-20 2014-10-21 General Electric Company Near flow path seal for a turbomachine
US9080456B2 (en) 2012-01-20 2015-07-14 General Electric Company Near flow path seal with axially flexible arms
FR2999641B1 (en) * 2012-12-17 2014-12-26 Snecma TURBOMACHINE FLOOR
EP2949873A1 (en) * 2014-05-27 2015-12-02 Siemens Aktiengesellschaft Turbomachine with an ingestion shield and use of the turbomachine
US10161257B2 (en) * 2015-10-20 2018-12-25 General Electric Company Turbine slotted arcuate leaf seal
EP3438410B1 (en) 2017-08-01 2021-09-29 General Electric Company Sealing system for a rotary machine
FI129562B (en) * 2019-06-24 2022-04-29 Flaektgroup Sweden Ab Method of forming a sealing between ventilation pipes and/or terminals thereof, and sealing

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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
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JP2007032282A (en) * 2005-07-22 2007-02-08 Kawasaki Heavy Ind Ltd Seal ring for turbine rotor
EP1905955A1 (en) * 2006-09-25 2008-04-02 Siemens Aktiengesellschaft Turbine rotor with locking plates and corresponding assembly method

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KR100364183B1 (en) * 1994-10-31 2003-02-19 웨스팅하우스 일렉트릭 코포레이션 Gas turbine blade with a cooled platform
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US5803710A (en) * 1996-12-24 1998-09-08 United Technologies Corporation Turbine engine rotor blade platform sealing and vibration damping device
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JP3462695B2 (en) * 1997-03-12 2003-11-05 三菱重工業株式会社 Gas turbine blade seal plate
JPH10259703A (en) * 1997-03-18 1998-09-29 Mitsubishi Heavy Ind Ltd Shroud for gas turbine and platform seal system
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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
EP1163427B1 (en) * 1999-03-19 2003-12-10 Siemens Aktiengesellschaft Gas turbine rotor with internally-cooled gas turbine blade
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 (en) * 2000-11-30 2003-02-21 Snecma Moteurs ROTOR BLADE DISC FLANGE AND CORRESPONDING ARRANGEMENT
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
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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 (en) * 1985-03-06 1986-09-11 Mitsubishi Heavy Ind Ltd Stopper in axial direction for turbine moving blade
US20040062643A1 (en) * 2002-09-30 2004-04-01 General Electric Company Turbomachinery blade retention system
JP2007032282A (en) * 2005-07-22 2007-02-08 Kawasaki Heavy Ind Ltd Seal ring for turbine rotor
EP1905955A1 (en) * 2006-09-25 2008-04-02 Siemens Aktiengesellschaft Turbine rotor with locking plates and corresponding assembly method

Also Published As

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

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