DE69728508D1 - Dichtung für Turbinenschaufelplattformen - Google Patents

Dichtung für Turbinenschaufelplattformen

Info

Publication number
DE69728508D1
DE69728508D1 DE69728508T DE69728508T DE69728508D1 DE 69728508 D1 DE69728508 D1 DE 69728508D1 DE 69728508 T DE69728508 T DE 69728508T DE 69728508 T DE69728508 T DE 69728508T DE 69728508 D1 DE69728508 D1 DE 69728508D1
Authority
DE
Germany
Prior art keywords
seal
turbine blade
blade platforms
platforms
turbine
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
DE69728508T
Other languages
English (en)
Other versions
DE69728508T2 (de
Inventor
David P Houston
David Airey
Natalie A Pelland
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
Publication of DE69728508D1 publication Critical patent/DE69728508D1/de
Application granted granted Critical
Publication of DE69728508T2 publication Critical patent/DE69728508T2/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
    • 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
    • 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
    • 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)
DE69728508T 1996-12-24 1997-12-23 Dichtung für Turbinenschaufelplattformen Expired - Lifetime DE69728508T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US772962 1996-12-24
US08/772,962 US5924699A (en) 1996-12-24 1996-12-24 Turbine blade platform seal

Publications (2)

Publication Number Publication Date
DE69728508D1 true DE69728508D1 (de) 2004-05-13
DE69728508T2 DE69728508T2 (de) 2004-08-12

Family

ID=25096743

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69728508T Expired - Lifetime DE69728508T2 (de) 1996-12-24 1997-12-23 Dichtung für Turbinenschaufelplattformen

Country Status (4)

Country Link
US (1) US5924699A (de)
EP (1) EP0851096B1 (de)
JP (1) JP4049866B2 (de)
DE (1) DE69728508T2 (de)

Families Citing this family (67)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6171058B1 (en) * 1999-04-01 2001-01-09 General Electric Company Self retaining blade damper
JP2001234703A (ja) * 2000-02-23 2001-08-31 Mitsubishi Heavy Ind Ltd ガスタービン動翼
US6431835B1 (en) 2000-10-17 2002-08-13 Honeywell International, Inc. Fan blade compliant shim
US6390775B1 (en) * 2000-12-27 2002-05-21 General Electric Company Gas turbine blade with platform undercut
FR2840352B1 (fr) * 2002-05-30 2005-12-16 Snecma Moteurs Maitrise de la zone de fuite sous plate-forme d'aube
JP4254352B2 (ja) * 2003-06-04 2009-04-15 株式会社Ｉｈｉ タービンブレード
DE102004023130A1 (de) * 2004-05-03 2005-12-01 Rolls-Royce Deutschland Ltd & Co Kg Dichtungs- und Dämpfungssystem für Turbinenschaufeln
US7121802B2 (en) * 2004-07-13 2006-10-17 General Electric Company Selectively thinned turbine blade
US20060029500A1 (en) * 2004-08-04 2006-02-09 Anthony Cherolis Turbine blade flared buttress
FR2874402B1 (fr) * 2004-08-23 2006-09-29 Snecma Moteurs Sa Aube de rotor d'un compresseur ou d'une turbine a gaz
US7121800B2 (en) * 2004-09-13 2006-10-17 United Technologies Corporation Turbine blade nested seal damper assembly
US7467924B2 (en) * 2005-08-16 2008-12-23 United Technologies Corporation Turbine blade including revised platform
US7322797B2 (en) * 2005-12-08 2008-01-29 General Electric Company Damper cooled turbine blade
US7632071B2 (en) * 2005-12-15 2009-12-15 United Technologies Corporation Cooled turbine blade
US7731482B2 (en) * 2006-06-13 2010-06-08 General Electric Company Bucket vibration damper system
GB2446812A (en) * 2007-02-21 2008-08-27 Rolls Royce Plc Damping member positioned between blades of an aerofoil assembly
US8011892B2 (en) * 2007-06-28 2011-09-06 United Technologies Corporation Turbine blade nested seal and damper assembly
US8016297B2 (en) * 2008-03-27 2011-09-13 United Technologies Corporation Gas turbine engine seals and engines incorporating such seals
US9121293B2 (en) 2009-03-09 2015-09-01 Avio S.P.A. Rotor for turbomachines
US8371816B2 (en) * 2009-07-31 2013-02-12 General Electric Company Rotor blades for turbine engines
US8734089B2 (en) 2009-12-29 2014-05-27 Rolls-Royce Corporation Damper seal and vane assembly for a gas turbine engine
US8794640B2 (en) * 2010-03-25 2014-08-05 United Technologies Corporation Turbine sealing system
US8066479B2 (en) * 2010-04-05 2011-11-29 Pratt & Whitney Rocketdyne, Inc. Non-integral platform and damper for an airfoil
US8672626B2 (en) 2010-04-21 2014-03-18 United Technologies Corporation Engine assembled seal
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
ES2710516T3 (es) * 2010-11-17 2019-04-25 MTU Aero Engines AG Rotor para una turbomáquina, turbomáquina correspondiente y procedimiento de fabricación, reparación o revisión
US8959785B2 (en) * 2010-12-30 2015-02-24 General Electric Company Apparatus and method for measuring runout
US20120292856A1 (en) * 2011-05-16 2012-11-22 United Technologies Corporation Blade outer seal for a gas turbine engine having non-parallel segment confronting faces
US8951013B2 (en) * 2011-10-24 2015-02-10 United Technologies Corporation Turbine blade rail damper
US10113434B2 (en) 2012-01-31 2018-10-30 United Technologies Corporation Turbine blade damper seal
FR2986557B1 (fr) * 2012-02-02 2015-09-25 Snecma Optimisation des points d'appui des echasses d'aubes mobiles dans un procede d'usinage de ces aubes
US9650901B2 (en) * 2012-05-31 2017-05-16 Solar Turbines Incorporated Turbine damper
US8905716B2 (en) 2012-05-31 2014-12-09 United Technologies Corporation Ladder seal system for gas turbine engines
US9097131B2 (en) 2012-05-31 2015-08-04 United Technologies Corporation Airfoil and disk interface system for gas turbine engines
US9587495B2 (en) * 2012-06-29 2017-03-07 United Technologies Corporation Mistake proof damper pocket seals
WO2014164252A1 (en) * 2013-03-13 2014-10-09 United Technologies Corporation Damper mass distribution to prevent damper rotation
US10012085B2 (en) * 2013-03-13 2018-07-03 United Technologies Corporation Turbine blade and damper retention
WO2014209464A2 (en) 2013-04-18 2014-12-31 United Technologies Corporation Gas turbine engine airfoil platform edge geometry
PL2818639T3 (pl) * 2013-06-27 2020-01-31 MTU Aero Engines AG Łopata maszyny wirnikowej i przynależna maszyna wirnikowa
EP2881544A1 (de) * 2013-12-09 2015-06-10 Siemens Aktiengesellschaft Schaufelprofil für eine Gasturbine und zugehörige Anordnung
US9797270B2 (en) * 2013-12-23 2017-10-24 Rolls-Royce North American Technologies Inc. Recessable damper for turbine
US9856737B2 (en) * 2014-03-27 2018-01-02 United Technologies Corporation Blades and blade dampers for gas turbine engines
US9995162B2 (en) * 2014-10-20 2018-06-12 United Technologies Corporation Seal and clip-on damper system and device
FR3027950B1 (fr) * 2014-11-04 2019-10-18 Safran Aircraft Engines Roue de turbine pour une turbomachine
FR3027949B1 (fr) * 2014-11-04 2019-07-26 Safran Aircraft Engines Roue de turbine pour une turbomachine
US10107125B2 (en) 2014-11-18 2018-10-23 United Technologies Corporation Shroud seal and wearliner
US9863257B2 (en) * 2015-02-04 2018-01-09 United Technologies Corporation Additive manufactured inseparable platform damper and seal assembly for a gas turbine engine
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
JP6554882B2 (ja) * 2015-04-07 2019-08-07 株式会社Ihi シールド部材及びそれを用いたジェットエンジン
US11092018B2 (en) 2015-08-07 2021-08-17 Transportation Ip Holdings, Llc Underplatform damping members and methods for turbocharger assemblies
US10472975B2 (en) * 2015-09-03 2019-11-12 General Electric Company Damper pin having elongated bodies for damping adjacent turbine blades
US10100648B2 (en) * 2015-12-07 2018-10-16 United Technologies Corporation Damper seal installation features
US10605091B2 (en) 2016-06-28 2020-03-31 General Electric Company Airfoil with cast features and method of manufacture
JP6673482B2 (ja) 2016-07-25 2020-03-25 株式会社Ihi ガスタービン動翼のシール構造
US10662784B2 (en) * 2016-11-28 2020-05-26 Raytheon Technologies Corporation Damper with varying thickness for a blade
US10941671B2 (en) * 2017-03-23 2021-03-09 General Electric Company Gas turbine engine component incorporating a seal slot
EP3438410B1 (de) 2017-08-01 2021-09-29 General Electric Company Dichtungssystem für eine rotationsmaschine
DE102018207873A1 (de) * 2018-05-18 2019-11-21 MTU Aero Engines AG Laufschaufel für eine Strömungsmaschine
DE102018221533A1 (de) * 2018-12-12 2020-06-18 MTU Aero Engines AG Turbomaschinen Schaufelanordnung
FR3105293B1 (fr) * 2019-12-19 2022-08-05 Safran Aircraft Engines Aube de rotor pour une turbomachine d’aeronef
JP2023093088A (ja) * 2021-12-22 2023-07-04 三菱重工業株式会社 回転機械
US11795826B2 (en) * 2022-02-15 2023-10-24 Rtx Corporation Turbine blade neck pocket
JP2023160018A (ja) 2022-04-21 2023-11-02 三菱重工業株式会社 ガスタービン動翼及びガスタービン
FR3141720A1 (fr) * 2022-11-04 2024-05-10 Safran Aircraft Engines organe d’étanchéité pour une aube mobile

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3112915A (en) * 1961-12-22 1963-12-03 Gen Electric Rotor assembly air baffle
CH494896A (de) * 1968-08-09 1970-08-15 Sulzer Ag Halterung von Laufschaufeln im Rotor einer Turbomaschine
BE791375A (fr) * 1971-12-02 1973-03-01 Gen Electric Deflecteur et amortisseur pour ailettes de turbomachines
US3887298A (en) * 1974-05-30 1975-06-03 United Aircraft Corp Apparatus for sealing turbine blade damper cavities
US4101245A (en) * 1976-12-27 1978-07-18 United Technologies Corporation Interblade damper and seal for turbomachinery rotor
US4183720A (en) * 1978-01-03 1980-01-15 The United States Of America As Represented By The Secretary Of The Air Force Composite fan blade platform double wedge centrifugal seal
US4455122A (en) * 1981-12-14 1984-06-19 United Technologies Corporation Blade to blade vibration damper
FR2527260A1 (fr) * 1982-05-18 1983-11-25 Snecma Dispositif d'amortissement escamotable pour aubes d'une turbomachine
US4505642A (en) * 1983-10-24 1985-03-19 United Technologies Corporation Rotor blade interplatform seal
US4743164A (en) * 1986-12-29 1988-05-10 United Technologies Corporation Interblade seal for turbomachine rotor
US4872812A (en) * 1987-08-05 1989-10-10 General Electric Company Turbine blade plateform sealing and vibration damping apparatus
US4872810A (en) * 1988-12-14 1989-10-10 United Technologies Corporation Turbine rotor retention system
US5156528A (en) * 1991-04-19 1992-10-20 General Electric Company Vibration damping of gas turbine engine buckets
US5228835A (en) * 1992-11-24 1993-07-20 United Technologies Corporation Gas turbine blade seal
US5415526A (en) * 1993-11-19 1995-05-16 Mercadante; Anthony J. Coolable rotor assembly
US5460489A (en) * 1994-04-12 1995-10-24 United Technologies Corporation Turbine blade damper and seal
US5513955A (en) * 1994-12-14 1996-05-07 United Technologies Corporation Turbine engine rotor blade platform seal
US5785499A (en) * 1996-12-24 1998-07-28 United Technologies Corporation Turbine blade damper and seal

Also Published As

Publication number Publication date
EP0851096A2 (de) 1998-07-01
JP4049866B2 (ja) 2008-02-20
EP0851096B1 (de) 2004-04-07
EP0851096A3 (de) 2000-04-19
JPH10196309A (ja) 1998-07-28
DE69728508T2 (de) 2004-08-12
US5924699A (en) 1999-07-20

Similar Documents

Publication Publication Date Title
DE69728508D1 (de) Dichtung für Turbinenschaufelplattformen
DE69718229T2 (de) Spitzendichtung für Turbinenlaufschaufeln
DE69838081D1 (de) Turbinenschaufel
DE69822100D1 (de) Turbinenschaufel
DE69520061D1 (de) Turbinenschaufel
DE69936243D1 (de) Gasturbinenschaufel
DE69732613D1 (de) Dämpfungs- und Dichtungselement für Turbinenschaufeln
DE69828255D1 (de) Dichtungsstruktur für gasturbinen
DE59907926D1 (de) Turbinenschaufel
DE59905944D1 (de) Turbinenschaufel
DE69817533D1 (de) Gasturbinenschaufel
DE69920358D1 (de) Schaufelkonfiguration für Dampfturbinen
DE69612319D1 (de) Gasturbinenschaufel
DE69508201D1 (de) Dichtungselement für die Schaufelplattformen eines Turbinenrotors
DE69729980D1 (de) Turbinenschaufelkühlung
DE69824817D1 (de) Schwingungsgedämpfte Turbomaschinenschaufel
DE69622252T2 (de) Gasturbinenrotor
DE69727727D1 (de) Dämpfungselement und Dichtung für Turbinenschaufeln
DE69910913D1 (de) Kühlbare Schaufel für Gasturbinen
DE69831646D1 (de) Turbinendichtung
DE59401468D1 (de) Rotorblatt für Windkraftanlagen
DE69709010T2 (de) Dichtungsplatte für Turbinenmotor
ATE226281T1 (de) Laufrad für hydraulische francisturbine
DE69820207T2 (de) Rotor für gasturbinen
DE69729026D1 (de) Gasturbinenleitschaufel

Legal Events

Date Code Title Description
8364 No opposition during term of opposition