DE602004009487D1 - Dämpfungs- und Dichtungselement für Turbine - Google Patents

Dämpfungs- und Dichtungselement für Turbine

Info

Publication number
DE602004009487D1
DE602004009487D1 DE602004009487T DE602004009487T DE602004009487D1 DE 602004009487 D1 DE602004009487 D1 DE 602004009487D1 DE 602004009487 T DE602004009487 T DE 602004009487T DE 602004009487 T DE602004009487 T DE 602004009487T DE 602004009487 D1 DE602004009487 D1 DE 602004009487D1
Authority
DE
Germany
Prior art keywords
turbine
damping
sealing element
sealing
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.)
Expired - Lifetime
Application number
DE602004009487T
Other languages
English (en)
Other versions
DE602004009487T2 (de
Inventor
Robert Elliott
Ian Tibbott
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.)
Rolls Royce PLC
Original Assignee
Rolls Royce PLC
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 Rolls Royce PLC filed Critical Rolls Royce PLC
Publication of DE602004009487D1 publication Critical patent/DE602004009487D1/de
Application granted granted Critical
Publication of DE602004009487T2 publication Critical patent/DE602004009487T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • F01D5/12—Blades
    • F01D5/22—Blade-to-blade connections, e.g. for damping vibrations
    • 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
    • F01D11/005—Sealing means between non relatively rotating elements
    • F01D11/006—Sealing the gap between rotor blades or blades and rotor
    • F01D11/008—Sealing the gap between rotor blades or blades and rotor by spacer elements between the blades, e.g. independent interblade platforms
    • 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
    • F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
    • F01D25/08—Cooling; Heating; Heat-insulation
    • F01D25/12—Cooling
    • 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
    • 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
    • F05D2240/80—Platforms for stationary or moving blades
    • F05D2240/81—Cooled platforms
    • 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
    • F05D2250/00—Geometry
    • F05D2250/30—Arrangement of components
    • F05D2250/31—Arrangement of components according to the direction of their main axis or their axis of rotation
    • F05D2250/314—Arrangement of components according to the direction of their main axis or their axis of rotation the axes being inclined in relation to each other
    • 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
    • F05D2260/00—Function
    • F05D2260/20—Heat transfer, e.g. cooling
    • 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
    • F05D2300/00—Materials; Properties thereof
    • F05D2300/50—Intrinsic material properties or characteristics
    • F05D2300/505—Shape memory behaviour
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T50/00—Aeronautics or air transport
    • Y02T50/60—Efficient propulsion technologies, e.g. for aircraft
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S416/00—Fluid reaction surfaces, i.e. impellers
    • Y10S416/50—Vibration damping features
DE602004009487T 2003-02-26 2004-02-06 Dämpfungs- und Dichtungselement für Turbine Expired - Lifetime DE602004009487T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB0304329.6A GB0304329D0 (en) 2003-02-26 2003-02-26 Damper seal
GB0304329 2003-02-26

Publications (2)

Publication Number Publication Date
DE602004009487D1 true DE602004009487D1 (de) 2007-11-29
DE602004009487T2 DE602004009487T2 (de) 2008-01-24

Family

ID=9953657

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602004009487T Expired - Lifetime DE602004009487T2 (de) 2003-02-26 2004-02-06 Dämpfungs- und Dichtungselement für Turbine

Country Status (4)

Country Link
US (1) US7021898B2 (de)
EP (1) EP1452694B1 (de)
DE (1) DE602004009487T2 (de)
GB (1) GB0304329D0 (de)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7163376B2 (en) * 2004-11-24 2007-01-16 General Electric Company Controlled leakage pin and vibration damper for active cooling and purge of bucket slash faces
GB0523106D0 (en) * 2005-11-12 2005-12-21 Rolls Royce Plc A cooliing arrangement
SE0502644L (sv) * 2005-12-02 2007-06-03 Siemens Ag Kylning av plattformar till turbinskovlar i turbiner
US7762773B2 (en) * 2006-09-22 2010-07-27 Siemens Energy, Inc. Turbine airfoil cooling system with platform edge cooling channels
US8240981B2 (en) * 2007-11-02 2012-08-14 United Technologies Corporation Turbine airfoil with platform cooling
FR2927357B1 (fr) * 2008-02-12 2013-09-20 Snecma Dispositif d'amortissement des vibrations entre deux aubes de roue aubagee de turbomachine
GB0806893D0 (en) 2008-04-16 2008-05-21 Rolls Royce Plc A damper
DE102009004792B4 (de) * 2009-01-13 2019-10-31 Rolls-Royce Deutschland Ltd & Co Kg Dämpfungselement (Reibdämpfer) mit Dichtungsfunktion für Turbinenlaufschaufeln
US8246305B2 (en) * 2009-10-01 2012-08-21 Pratt & Whitney Canada Corp. Gas turbine engine balancing
FR2963381B1 (fr) * 2010-07-27 2015-04-10 Snecma Etancheite inter-aubes pour une roue de turbine ou de compresseur de turbomachine
EP2434098A1 (de) * 2010-09-24 2012-03-28 Siemens Aktiengesellschaft Schaufelanordnung und zugehörige Gasturbine
US8790086B2 (en) 2010-11-11 2014-07-29 General Electric Company Turbine blade assembly for retaining sealing and dampening elements
US9133855B2 (en) * 2010-11-15 2015-09-15 Mtu Aero Engines Gmbh Rotor for a turbo machine
US8876479B2 (en) 2011-03-15 2014-11-04 United Technologies Corporation Damper pin
US8951014B2 (en) 2011-03-15 2015-02-10 United Technologies Corporation Turbine blade with mate face cooling air flow
US9366142B2 (en) * 2011-10-28 2016-06-14 General Electric Company Thermal plug for turbine bucket shank cavity and related method
FR2981979B1 (fr) 2011-10-28 2013-11-29 Snecma Roue de turbine pour une turbomachine
WO2014051688A1 (en) 2012-09-28 2014-04-03 United Technologies Corporation Seal damper with improved retention
US10641109B2 (en) 2013-03-13 2020-05-05 United Technologies Corporation Mass offset for damping performance
WO2015026416A2 (en) 2013-06-03 2015-02-26 United Technologies Corporation Vibration dampers for turbine blades
GB201322668D0 (en) 2013-12-20 2014-02-05 Rolls Royce Deutschland & Co Kg Vibration Damper
CN103982250B (zh) * 2014-05-12 2015-07-22 天津大学 具有冷却功能的金属橡胶减振器
US9810075B2 (en) 2015-03-20 2017-11-07 United Technologies Corporation Faceted turbine blade damper-seal
EP3088679A1 (de) * 2015-04-30 2016-11-02 Rolls-Royce Corporation Dichtung für eine gasturbinenmotorbaugruppe
US9822658B2 (en) 2015-11-19 2017-11-21 United Technologies Corporation Grooved seal arrangement for turbine engine
EP3287596A1 (de) * 2016-08-25 2018-02-28 Siemens Aktiengesellschaft Plattformkühlungsvorrichtung für eine schaufel einer turbomaschine und turbomaschinenanordnung
US10662784B2 (en) * 2016-11-28 2020-05-26 Raytheon Technologies Corporation Damper with varying thickness for a blade
FR3060065B1 (fr) * 2016-12-12 2020-10-23 Safran Aircraft Engines Ensemble de pieces de turbomachine avec une aube de soufflante a plateforme integree et turbomachine correspondante
US10677073B2 (en) 2017-01-03 2020-06-09 Raytheon Technologies Corporation Blade platform with damper restraint
US10731479B2 (en) 2017-01-03 2020-08-04 Raytheon Technologies Corporation Blade platform with damper restraint
EP3438410B1 (de) 2017-08-01 2021-09-29 General Electric Company Dichtungssystem für eine rotationsmaschine
JP6990122B2 (ja) * 2018-03-08 2022-02-03 三菱重工業株式会社 動翼体、及び回転機械
US11174739B2 (en) 2019-08-27 2021-11-16 Solar Turbines Incorporated Damped turbine blade assembly
FR3139359A1 (fr) * 2022-09-06 2024-03-08 Safran Helicopter Engines Amortisseur configuré pour amortir un mouvement d’aube de turbomachine et ensemble comprenant l’amortisseur
FR3139358A1 (fr) * 2022-09-06 2024-03-08 Safran Helicopter Engines Ensemble pour turbomachine

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB612097A (en) * 1946-10-09 1948-11-08 English Electric Co Ltd Improvements in and relating to the cooling of gas turbine rotors
US4767260A (en) * 1986-11-07 1988-08-30 United Technologies Corporation Stator vane platform cooling means
US4872812A (en) * 1987-08-05 1989-10-10 General Electric Company Turbine blade plateform sealing and vibration damping apparatus
US5156528A (en) * 1991-04-19 1992-10-20 General Electric Company Vibration damping of gas turbine engine buckets
US5281097A (en) * 1992-11-20 1994-01-25 General Electric Company Thermal control damper for turbine rotors
US5478207A (en) * 1994-09-19 1995-12-26 General Electric Company Stable blade vibration damper for gas turbine engine
US5531457A (en) * 1994-12-07 1996-07-02 Pratt & Whitney Canada, Inc. Gas turbine engine feather seal arrangement
GB9724731D0 (en) * 1997-11-25 1998-01-21 Rolls Royce Plc Friction damper
GB0109033D0 (en) * 2001-04-10 2001-05-30 Rolls Royce Plc Vibration damping

Also Published As

Publication number Publication date
EP1452694A2 (de) 2004-09-01
EP1452694A3 (de) 2007-01-03
GB0304329D0 (en) 2003-04-02
US7021898B2 (en) 2006-04-04
DE602004009487T2 (de) 2008-01-24
US20040165983A1 (en) 2004-08-26
EP1452694B1 (de) 2007-10-17

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Legal Events

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