DE69503486T2 - Dämpfungs- und dichtungselement einer turbinenschaufel - Google Patents

Dämpfungs- und dichtungselement einer turbinenschaufel

Info

Publication number
DE69503486T2
DE69503486T2 DE69503486T DE69503486T DE69503486T2 DE 69503486 T2 DE69503486 T2 DE 69503486T2 DE 69503486 T DE69503486 T DE 69503486T DE 69503486 T DE69503486 T DE 69503486T DE 69503486 T2 DE69503486 T2 DE 69503486T2
Authority
DE
Germany
Prior art keywords
damping
sealing element
turbine blade
turbine
blade
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 - Fee Related
Application number
DE69503486T
Other languages
English (en)
Other versions
DE69503486D1 (de
Inventor
Robert Benjamin
Betsy Adams
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.)
Raytheon Technologies Corp
Original Assignee
United Technologies Corp
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 United Technologies Corp filed Critical United Technologies Corp
Application granted granted Critical
Publication of DE69503486D1 publication Critical patent/DE69503486D1/de
Publication of DE69503486T2 publication Critical patent/DE69503486T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • F01D11/008—Sealing the gap between rotor blades or blades and rotor by spacer elements between the blades, e.g. independent interblade platforms
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
DE69503486T 1994-04-12 1995-04-11 Dämpfungs- und dichtungselement einer turbinenschaufel Expired - Fee Related DE69503486T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/226,518 US5460489A (en) 1994-04-12 1994-04-12 Turbine blade damper and seal
PCT/US1995/004413 WO1995027841A1 (en) 1994-04-12 1995-04-11 Turbine blade damper and seal

Publications (2)

Publication Number Publication Date
DE69503486D1 DE69503486D1 (de) 1998-08-20
DE69503486T2 true DE69503486T2 (de) 1999-05-06

Family

ID=22849242

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69503486T Expired - Fee Related DE69503486T2 (de) 1994-04-12 1995-04-11 Dämpfungs- und dichtungselement einer turbinenschaufel

Country Status (5)

Country Link
US (1) US5460489A (de)
EP (1) EP0752053B1 (de)
JP (1) JP3622973B2 (de)
DE (1) DE69503486T2 (de)
WO (1) WO1995027841A1 (de)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5738490A (en) * 1996-05-20 1998-04-14 Pratt & Whitney Canada, Inc. Gas turbine engine shroud seals
US5827047A (en) * 1996-06-27 1998-10-27 United Technologies Corporation Turbine blade damper and seal
US5820348A (en) * 1996-09-17 1998-10-13 Fricke; J. Robert Damping system for vibrating members
US5924699A (en) * 1996-12-24 1999-07-20 United Technologies Corporation Turbine blade platform seal
US5785499A (en) * 1996-12-24 1998-07-28 United Technologies Corporation Turbine blade damper and seal
US5803710A (en) * 1996-12-24 1998-09-08 United Technologies Corporation Turbine engine rotor blade platform sealing and vibration damping device
FR2776012B1 (fr) * 1998-03-12 2000-04-07 Snecma Joint d'etancheite d'un etage d'aubes circulaire
US6273683B1 (en) 1999-02-05 2001-08-14 Siemens Westinghouse Power Corporation Turbine blade platform seal
US6171058B1 (en) * 1999-04-01 2001-01-09 General Electric Company Self retaining blade damper
US6315298B1 (en) * 1999-11-22 2001-11-13 United Technologies Corporation Turbine disk and blade assembly seal
FR2840352B1 (fr) * 2002-05-30 2005-12-16 Snecma Moteurs Maitrise de la zone de fuite sous plate-forme d'aube
FR2873745B1 (fr) * 2004-07-28 2008-10-10 Snecma Moteurs Sa Disque de rotor de turbomachine
US7121800B2 (en) 2004-09-13 2006-10-17 United Technologies Corporation Turbine blade nested seal damper assembly
US7762780B2 (en) * 2007-01-25 2010-07-27 Siemens Energy, Inc. Blade assembly in a combustion turbo-machine providing reduced concentration of mechanical stress and a seal between adjacent assemblies
US7798769B2 (en) * 2007-02-15 2010-09-21 Siemens Energy, Inc. Flexible, high-temperature ceramic seal element
US20110255958A1 (en) * 2010-04-16 2011-10-20 General Electric Company Seal member for hot gas path component
US8672626B2 (en) * 2010-04-21 2014-03-18 United Technologies Corporation Engine assembled seal
US10113434B2 (en) 2012-01-31 2018-10-30 United Technologies Corporation Turbine blade damper seal
EP2679770A1 (de) * 2012-06-26 2014-01-01 Siemens Aktiengesellschaft Dichtstreifen für Turbinenschaufelplattform
US10731510B2 (en) 2014-05-16 2020-08-04 Raython Technologies Group Gas turbine engine with fluid damper
US9995162B2 (en) * 2014-10-20 2018-06-12 United Technologies Corporation Seal and clip-on damper system and device
US9822644B2 (en) 2015-02-27 2017-11-21 Pratt & Whitney Canada Corp. Rotor blade vibration damper
US9810075B2 (en) 2015-03-20 2017-11-07 United Technologies Corporation Faceted turbine blade damper-seal
US9920637B2 (en) 2015-04-07 2018-03-20 United Technologies Corporation Gas turbine engine damping device
US20180355741A1 (en) * 2017-02-24 2018-12-13 General Electric Company Spline for a turbine engine
US10655495B2 (en) * 2017-02-24 2020-05-19 General Electric Company Spline for a turbine engine
US10648362B2 (en) * 2017-02-24 2020-05-12 General Electric Company Spline for a turbine engine
US20180340437A1 (en) * 2017-02-24 2018-11-29 General Electric Company Spline for a turbine engine
US10982559B2 (en) * 2018-08-24 2021-04-20 General Electric Company Spline seal with cooling features for turbine engines

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4019832A (en) * 1976-02-27 1977-04-26 General Electric Company Platform for a turbomachinery blade
US4101245A (en) * 1976-12-27 1978-07-18 United Technologies Corporation Interblade damper and seal for turbomachinery rotor
US4455122A (en) * 1981-12-14 1984-06-19 United Technologies Corporation Blade to blade vibration damper
US4743164A (en) * 1986-12-29 1988-05-10 United Technologies Corporation Interblade seal for turbomachine rotor
EP0437977A1 (de) * 1990-01-18 1991-07-24 United Technologies Corporation Randkonfiguration einer Turbinenschiebe
US5281097A (en) * 1992-11-20 1994-01-25 General Electric Company Thermal control damper for turbine rotors

Also Published As

Publication number Publication date
WO1995027841A1 (en) 1995-10-19
EP0752053A1 (de) 1997-01-08
JP3622973B2 (ja) 2005-02-23
EP0752053B1 (de) 1998-07-15
JP2000511982A (ja) 2000-09-12
DE69503486D1 (de) 1998-08-20
US5460489A (en) 1995-10-24

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Legal Events

Date Code Title Description
8370 Indication of lapse of patent is to be deleted
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee