[go: up one dir, main page]

EP2236768A2 - Ensemble de joints de turbomachine - Google Patents

Ensemble de joints de turbomachine Download PDF

Info

Publication number
EP2236768A2
EP2236768A2 EP10155312A EP10155312A EP2236768A2 EP 2236768 A2 EP2236768 A2 EP 2236768A2 EP 10155312 A EP10155312 A EP 10155312A EP 10155312 A EP10155312 A EP 10155312A EP 2236768 A2 EP2236768 A2 EP 2236768A2
Authority
EP
European Patent Office
Prior art keywords
seal
wheel
machine
bucket
coverplate
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Withdrawn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
EP10155312A
Other languages
German (de)
English (en)
Other versions
EP2236768A3 (fr
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/fr
Publication of EP2236768A3 publication Critical patent/EP2236768A3/fr
Withdrawn legal-status Critical Current

Links

Images

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

Definitions

  • the subject matter disclosed herein relates generally to machines and a seal assembly for machines and more specifically to a seal assembly to improve the operation, performance and efficiency of a machine.
  • Machine performance is degraded by the loss of pressurized cooling air and ingestion of hot gas flow.
  • a machine and a seal assembly for a machine having a rotating shaft, a wheel coupled to the rotating shaft, the wheel including a bucket coupled to the wheel comprising: a seal that extends along a side of the bucket and the wheel, covering an interface there between.
  • a first aspect of the invention provides a machine comprising: a rotating shaft, a wheel coupled to the rotating shaft, the wheel including a bucket coupled to the wheel, and a seal that extends along a side of the bucket and the wheel, covering an interface there between.
  • a second aspect of the invention provides a seal assembly for a machine having a rotating shaft, the seal assembly comprising: a wheel coupled to the rotating shaft, the wheel including a bucket coupled to the wheel; and a seal that extends along a side of the bucket and the wheel, covering an interface there between.
  • the invention discussed herein includes a coverplate that is fastened to a wheel and bucket of a machine and a seal positioned between the coverplate and the wheel and the bucket.
  • a coverplate and seal on the machine is that it reduces the loss of pressurized air from the system.
  • the coverplate and seal may prevent the inflow of hot gas into the wheelspace and aid in the secondary air flow of the machine.
  • the coverplate and seal discussed herein may facilitate maintenance on the machine.
  • coverplate and seal may facilitate assembly and disassembly of the machine as the coverplate and seal can be installed and removed while the rotating shaft is on the half shell.
  • the coverplate and seal may also improve the machine's performance by acting as a heat shield and reduce vibration through the addition of damping.
  • the coverplate and seal can be installed on a forward side or an aft side of the wheel. Alternatively, the coverplate and seal can be installed on the forward side and the aft side of the wheel.
  • FIG. 1 shows a cross-sectional view of a relevant portion of a machine 100 including seal assembly 101.
  • Machine 100 includes a bucket 102, a wheel 104 and a rotating shaft 106.
  • at least one wheel 104 is coupled to rotating shaft 106 of machine 100.
  • Each wheel 104 may include a plurality of buckets 102 upon which gas acts to turn rotating shaft 106.
  • FIG. 2 shows an enlarged view of a relevant portion of FIG. 1 .
  • Seal assembly 101 includes a seal 108, a coverplate 110 and an angel wing 112.
  • coverplate 110 fastens to wheel 104 of machine 100 using a hook 206.
  • Alternative embodiments for fastening coverplate 110 to wheel 104 may include, for example: a bolt, a pin, a stack or a bayonet retaining ring.
  • coverplate 110 can include an outer edge 208 that engages a slot 210 in bucket 102 of machine 100.
  • FIG. 3 shows a cross-sectional view of machine 100 showing gas and air flow movement.
  • FIG. 3 shows a nozzle 302 of machine 100.
  • nozzle 302 is located on both sides of bucket 102. It is understood, however, that nozzle 302 would be present only on a forward side of bucket 102 where the bucket is a last stage bucket.
  • a hot gas flow 308 moves across bucket 102.
  • nozzle support ring 304 Immediately below nozzle 302 on the forward (left) or upstream side of machine 100 is a nozzle support ring 304.
  • Nozzle 302 includes on both the forward and aft sides, a part 305 that extends from nozzle 302 towards wheel 104.
  • a wheelspace 314 exists on the forward and aft side of bucket 102. On the forward side, wheelspace 314 is between nozzle supporting ring 304 and wheel 104. On the aft side, wheelspace 314 is between diaphragm 306 and wheel 104.
  • Wheelspace purge air 312 moves through wheelspace 314. Additionally, bucket supply cooling air (not shown) moves from wheel 104 towards bucket 102. An illustration of the movement of wheelspace purge air 312 is shown as it moves through wheelspace 314 and across wheel 104. Coverplate 110 aids in reducing the amount of wheelspace purge air 312 that is able to move between wheel 104 and nozzle support ring 304 on the forward side and wheel 104 and diaphragm 306 on the aft side. Additionally, coverplate 110 aids in the bucket supply cooling air reaching bucket 102 and not entering wheelspace 314. As described above, in one embodiment coverplate 110 and seal 108 can be installed on a forward side or an aft side of wheel 104 ( FIG. 1 ).
  • coverplate 110 and seal 108 can be installed on the forward side and the aft side of wheel 104. Additionally, there may be one or more angel wings 112 on coverplate 110. Angel wing 112 may aid in preventing the hot flowpath gas from entering wheelspace 314.
  • wheelspace purge air 312 is able to enter perforation 316 in wheel 104.
  • coverplate 110 and seal 108 it may reduce or eliminate the amount of wheelspace purge air 312 entering or moving through wheel 104 into wheelspace 314. If no coverplate 110 and seal 108 are installed, wheelspace purge air 310 would be able to move between wheel 104 and wheelspace 314. Coverplate 110 and seal 108 aid in preventing the loss of wheelspace purge air 312.
  • bucket supply cooling air may enter wheelspace 314.
  • coverplate 110 may be segmented.
  • seal 108 may be segmented.
  • both coverplate 110 and seal 108 may be segmented.
  • seal 108 is positioned to overlap an interface 804 on segment coverplate 806 to eliminate a gap between adjacent circumferentially positioned coverplate segments 802.
  • Coverplate 110 and seal 108 can also be used to aid in the secondary flow design of machine 100. Specifically, coverplate 110 and seal 108 can be installed and positioned to aid in the movement of air and gas flow to directed locations. Moreover, coverplate 110 and seal 108 can be installed and positioned to prevent leakages of pressurized air (e.g., wheelspace purge air and bucket supply cooling air) and ingestion of hot gas. Additionally, coverplate 110 and seal 108 can be used as a heat shield for wheel 104 by reducing the amount of hot gas flow 308 that contacts or comes in proximity to wheel 104 or by providing an additional barrier between bucket 102 and wheel 104.
  • pressurized air e.g., wheelspace purge air and bucket supply cooling air
  • coverplate 110 and seal 108 can be used to dampen vibration on wheel 104 and bucket 102 and for machine 100 as a whole.
  • coverplate 110 and seal 108 can provide an additional mechanical connection between wheel 104 and bucket 102.
  • the additional connection between bucket 102 and wheel 104 may provide increased rigidity and reduce the vibration while machine 100 is in operation.
  • a 360-degree single coil seal with a single split (“single coil seal”) 402 is shown.
  • the single coil seal 402 allows for installation and maintenance, including assembly and disassembly, on machine 100 both at the factory and when machine 100 is at a customer's site.
  • the single coil seal 402 allows for the seal to be spread apart allowing for maintenance and repair of machine 100.
  • by single coil seal 402 having a break in its circumference it provides the flexibility so that it may be maneuvered on and off of machine 100.
  • single coil seal 402 with its single split retains the rigidity and durability where it can perform as described in detail above, and be installed and removed from machine 100.
  • single coil seal 502 can be mechanically coupled by, for example, a tongue and groove, a lap joint, a dovetail, a butt joint, a weld or a braze. Additionally, a coverplate 504 can be placed over the joint in the single coil seal 502 when it is mechanically coupled. In one embodiment, a mechanically coupled single coil seal with a coverplate 504 will have the single coil seal 402 positioned on the coverplate 504 to eliminate a gap 506 between adjacent circumferentially positioned coverplate segments 504.
  • FIG. 6 illustrates a 720-degree multi coil seal ("multi coil seal") 602.
  • the ends of the multi coil seal are not mechanically coupled to one another. This allows for flexibility in the seal during installation and maintenance of machine 100 in addition to installation and removal of multi coil seal 602 on machine 100.
  • Other embodiments may include a multi coil seal having more than 720 degrees, if desired.
  • Segmented seal 700 includes a joint 702 where segments 704 connect.
  • a coverplate 110 can be installed over a segmented seal 700.
  • FIG. 8 shows a segmented seal 700 with a segmented coverplate 806 over segmented seal 700.
  • a coverplate joint 804 can be staggered from joint 702 of segmented seal 700 where the segmented seal 700 is positioned on the coverplate segment 804 to eliminate a gap between adjacent circumferentially positioned coverplate segments.
  • FIG. 9 this figure illustrates an alternative embodiment wherein a seal 904 extends along a side of bucket 102 and wheel 104 covering an interface therebetween.
  • Seal 904 may attach to bucket 102 by a hook 902 on bucket 102 and seal 904 may attach to wheel 104 by a hook 906 on wheel 104.
  • Seal 904 may be on the forward or aft side of wheel 104. In an additional embodiment, seal 904 may be may be on the forward and aft side of wheel 104. Seal 904 may take the form of any of the above-described 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 Ensemble de joints de turbomachine Withdrawn EP2236768A3 (fr)

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 true EP2236768A2 (fr) 2010-10-06
EP2236768A3 EP2236768A3 (fr) 2014-12-24

Family

ID=42337449

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10155312.1A Withdrawn EP2236768A3 (fr) 2009-03-12 2010-03-03 Ensemble de joints de turbomachine

Country Status (4)

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

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2586988A1 (fr) * 2011-10-26 2013-05-01 General Electric Company Ensemble de plaque de couverture de turbine
FR2999641A1 (fr) * 2012-12-17 2014-06-20 Snecma Etage de turbomachine
EP2949873A1 (fr) * 2014-05-27 2015-12-02 Siemens Aktiengesellschaft Turbomachine avec blindage à l'ingestion et utilisation de la turbomachine
US10851661B2 (en) 2017-08-01 2020-12-01 General Electric Company Sealing system for a rotary machine and method of assembling same
EP3757473A1 (fr) * 2019-06-24 2020-12-30 FläktGroup Sweden AB Procédé de formation d'un joint entre des conduits de ventilation et/ou leurs unités terminales et joint

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8277172B2 (en) * 2009-03-23 2012-10-02 General Electric Company Apparatus for turbine engine cooling air management
US8142141B2 (en) * 2009-03-23 2012-03-27 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
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
US10161257B2 (en) * 2015-10-20 2018-12-25 General Electric Company Turbine slotted arcuate leaf seal

Family Cites Families (67)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3043562A (en) * 1961-04-10 1962-07-10 Gen Electric Combination sealing and restraining member for long-shank turbo-machine buckets
NL295165A (fr) * 1962-07-11
US3501249A (en) * 1968-06-24 1970-03-17 Westinghouse Electric Corp Side plates for turbine blades
GB1291302A (en) * 1970-03-14 1972-10-04 Sec Dep For Defendence Improvements in bladed rotor assemblies
BE791375A (fr) * 1971-12-02 1973-03-01 Gen Electric Deflecteur et amortisseur pour ailettes de turbomachines
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
US3829233A (en) * 1973-06-27 1974-08-13 Westinghouse Electric Corp Turbine diaphragm seal structure
US3853425A (en) * 1973-09-07 1974-12-10 Westinghouse Electric Corp Turbine rotor blade cooling and sealing system
GB1479332A (en) * 1974-11-06 1977-07-13 Rolls Royce Means for retaining blades to a disc or like structure
US4021138A (en) * 1975-11-03 1977-05-03 Westinghouse Electric Corporation Rotor disk, blade, and seal plate assembly for cooled turbine rotor blades
US4088421A (en) * 1976-09-30 1978-05-09 General Electric Company Coverplate damping arrangement
US4218189A (en) * 1977-08-09 1980-08-19 Rolls-Royce Limited Sealing means for bladed rotor for a gas turbine engine
CH626947A5 (fr) * 1978-03-02 1981-12-15 Bbc Brown Boveri & Cie
US4326835A (en) * 1979-10-29 1982-04-27 General Motors Corporation Blade platform seal for ceramic/metal rotor assembly
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
US4507052A (en) * 1983-03-31 1985-03-26 General Motors Corporation End seal for turbine blade bases
US4523890A (en) * 1983-10-19 1985-06-18 General Motors Corporation End seal for turbine blade base
US4500098A (en) * 1983-12-22 1985-02-19 United Technologies Corporation Gas seal for rotating components
US4645424A (en) * 1984-07-23 1987-02-24 United Technologies Corporation Rotating seal for gas turbine engine
US4659285A (en) * 1984-07-23 1987-04-21 United Technologies Corporation Turbine cover-seal assembly
US4659289A (en) * 1984-07-23 1987-04-21 United Technologies Corporation Turbine side plate assembly
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
US4743164A (en) * 1986-12-29 1988-05-10 United Technologies Corporation Interblade seal for turbomachine rotor
US4781534A (en) * 1987-02-27 1988-11-01 Westinghouse Electric Corp. Apparatus and method for reducing windage and leakage in steam turbine incorporating axial entry blade
JPH0723524Y2 (ja) * 1988-03-29 1995-05-31 川崎重工業株式会社 軸流タービン
GB2251040B (en) * 1990-12-22 1994-06-22 Rolls Royce Plc Seal arrangement
US5236302A (en) * 1991-10-30 1993-08-17 General Electric Company Turbine disk interstage seal system
US5275534A (en) * 1991-10-30 1994-01-04 General Electric Company Turbine disk forward seal assembly
US5277548A (en) * 1991-12-31 1994-01-11 United Technologies Corporation Non-integral rotor blade platform
US5257909A (en) * 1992-08-17 1993-11-02 General Electric Company Dovetail sealing device for axial dovetail rotor blades
US5338154A (en) * 1993-03-17 1994-08-16 General Electric Company Turbine disk interstage seal axial retaining ring
US5503528A (en) * 1993-12-27 1996-04-02 Solar Turbines Incorporated Rim seal for turbine wheel
US5429478A (en) * 1994-03-31 1995-07-04 United Technologies Corporation Airfoil having a seal and an integral heat shield
KR100364183B1 (ko) * 1994-10-31 2003-02-19 웨스팅하우스 일렉트릭 코포레이션 냉각된플랫폼을구비한가스터빈블레이드
GB2317652B (en) * 1996-09-26 2000-05-17 Rolls Royce Plc Seal arrangement
US5803710A (en) * 1996-12-24 1998-09-08 United Technologies Corporation Turbine engine rotor blade platform sealing and vibration damping device
JP3462695B2 (ja) * 1997-03-12 2003-11-05 三菱重工業株式会社 ガスタービン動翼シール板
JPH10252412A (ja) * 1997-03-12 1998-09-22 Mitsubishi Heavy Ind Ltd ガスタービンシール装置
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
EP1163427B1 (fr) * 1999-03-19 2003-12-10 Siemens Aktiengesellschaft Rotor de turbine a gaz dote d'une aube a refroidissement interne
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
US6884028B2 (en) * 2002-09-30 2005-04-26 General Electric Company Turbomachinery blade retention system
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
JP4035140B2 (ja) * 2005-07-22 2008-01-16 川崎重工業株式会社 タービンロータのシールリング
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
DE602006006452D1 (de) * 2006-09-25 2009-06-04 Siemens Ag Turbinenrotor mit Verschlussplatten und entsprechendes Montageverfahren
US8206119B2 (en) * 2009-02-05 2012-06-26 General Electric Company Turbine coverplate systems

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2586988A1 (fr) * 2011-10-26 2013-05-01 General Electric Company Ensemble de plaque de couverture de turbine
US9217334B2 (en) 2011-10-26 2015-12-22 General Electric Company Turbine cover plate assembly
FR2999641A1 (fr) * 2012-12-17 2014-06-20 Snecma Etage de turbomachine
EP2949873A1 (fr) * 2014-05-27 2015-12-02 Siemens Aktiengesellschaft Turbomachine avec blindage à l'ingestion et utilisation de la turbomachine
WO2015180946A1 (fr) * 2014-05-27 2015-12-03 Siemens Aktiengesellschaft Turbomachine à écran d'ingestion et utilisation de la turbomachine
US10337344B2 (en) 2014-05-27 2019-07-02 Siemens Aktiengesellschaft Turbomachine with an ingestion shield and use of the turbomachine
US10851661B2 (en) 2017-08-01 2020-12-01 General Electric Company Sealing system for a rotary machine and method of assembling same
EP3757473A1 (fr) * 2019-06-24 2020-12-30 FläktGroup Sweden AB Procédé de formation d'un joint entre des conduits de ventilation et/ou leurs unités terminales et joint

Also Published As

Publication number Publication date
US20100232939A1 (en) 2010-09-16
JP2010216657A (ja) 2010-09-30
CN101893001A (zh) 2010-11-24
JP5475511B2 (ja) 2014-04-16
EP2236768A3 (fr) 2014-12-24

Similar Documents

Publication Publication Date Title
US8696320B2 (en) Gas turbine having seal assembly with coverplate and seal
EP2236768A2 (fr) Ensemble de joints de turbomachine
CN106948867B (zh) 带护罩的涡轮转子叶片
EP1852575B1 (fr) Anneau à aubes stationnaires d'un compresseur axial
US9169736B2 (en) Joint between airfoil and shroud
CN106917643B (zh) 带护罩的涡轮转子叶片
US9797262B2 (en) Split damped outer shroud for gas turbine engine stator arrays
EP2562355B1 (fr) Aubes de rotor couplées et procédé d'installation de telles aubes de rotor
CA2552214C (fr) Aubes pour turbine a gaz avec plaque d'etancheite integree, et methode
EP2620591B1 (fr) Ensemble d'aube de stator de moteur à turbine à gaz avec virole interne
US20140255194A1 (en) Tip shrouds of turbine rotor blades and methods of manufacture related thereto
EP2660427B1 (fr) Système de turbine comprenant un conduit de transition avec un joint d'étanchéité de convolution
US20110274541A1 (en) Annular flange for fastening a rotor or stator element in a turbomachine
EP2415969A1 (fr) Composant d'une turbine avec des joints lamelles et procédé d'étanchéification contre les fuites entre une pale et un élément porteur
EP2612996A1 (fr) Dispositif et procédé pour aligner des talons d'extrémité
US20100068041A1 (en) Shroud for a turbomachine
US11193392B2 (en) CMC ply overlap ingestion restrictor
US20150176413A1 (en) Snubber configurations for turbine rotor blades
EP3189215B1 (fr) Ensemble de joint de transition à une turbine
CN104011333B (zh) 涡轮机组压气机导向叶片组件
EP2971615B1 (fr) Segment de conduit à faible niveau de fuite utilisant un ensemble joint de dilatation
EP3336318B1 (fr) Entretoises de cadres d'échappement de systèmes de turbine
US20090206554A1 (en) Steam turbine engine and method of assembling same
EP3228828A1 (fr) Joints à brosse intégrés
US10072514B2 (en) Method and apparatus for attaching a transition duct to a turbine section in a gas turbine engine

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR

AX Request for extension of the european patent

Extension state: AL BA ME RS

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR

AX Request for extension of the european patent

Extension state: AL BA ME RS

RIC1 Information provided on ipc code assigned before grant

Ipc: F01D 11/00 20060101AFI20141118BHEP

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20150625