DE69619045D1 - Teilweise metallisches Fan-Schaufelblatt für eine Gasturbine - Google Patents

Teilweise metallisches Fan-Schaufelblatt für eine Gasturbine

Info

Publication number
DE69619045D1
DE69619045D1 DE69619045T DE69619045T DE69619045D1 DE 69619045 D1 DE69619045 D1 DE 69619045D1 DE 69619045 T DE69619045 T DE 69619045T DE 69619045 T DE69619045 T DE 69619045T DE 69619045 D1 DE69619045 D1 DE 69619045D1
Authority
DE
Germany
Prior art keywords
gas turbine
fan blade
partially metallic
metallic fan
partially
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
DE69619045T
Other languages
English (en)
Other versions
DE69619045T2 (de
Inventor
Walter Douglas Howard
Theodore Robert Ingling
William Elliot Bachrach
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
Application granted granted Critical
Publication of DE69619045D1 publication Critical patent/DE69619045D1/de
Publication of DE69619045T2 publication Critical patent/DE69619045T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01DNON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D5/00Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/12Blades
    • F01D5/28Selecting particular materials; Particular measures relating thereto; Measures against erosion or corrosion
    • F01D5/282Selecting composite materials, e.g. blades with reinforcing filaments
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01DNON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D5/00Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/12Blades
    • F01D5/14Form or construction
    • F01D5/147Construction, i.e. structural features, e.g. of weight-saving hollow blades
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T50/00Aeronautics or air transport
    • Y02T50/60Efficient propulsion technologies, e.g. for aircraft

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Architecture (AREA)
  • Composite Materials (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
DE69619045T 1995-09-25 1996-09-25 Teilweise metallisches Fan-Schaufelblatt für eine Gasturbine Expired - Fee Related DE69619045T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/533,478 US5634771A (en) 1995-09-25 1995-09-25 Partially-metallic blade for a gas turbine

Publications (2)

Publication Number Publication Date
DE69619045D1 true DE69619045D1 (de) 2002-03-21
DE69619045T2 DE69619045T2 (de) 2002-10-17

Family

ID=24126125

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69619045T Expired - Fee Related DE69619045T2 (de) 1995-09-25 1996-09-25 Teilweise metallisches Fan-Schaufelblatt für eine Gasturbine

Country Status (4)

Country Link
US (1) US5634771A (de)
EP (1) EP0764764B1 (de)
JP (1) JP3989576B2 (de)
DE (1) DE69619045T2 (de)

Families Citing this family (117)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1054204A (ja) * 1996-05-20 1998-02-24 General Electric Co <Ge> ガスタービン用の多構成部翼
US5839882A (en) * 1997-04-25 1998-11-24 General Electric Company Gas turbine blade having areas of different densities
US5931641A (en) * 1997-04-25 1999-08-03 General Electric Company Steam turbine blade having areas of different densities
US6004097A (en) * 1997-09-26 1999-12-21 Sure Alloy Steel Corp. Coal mill exhauster fan
US5913661A (en) * 1997-12-22 1999-06-22 General Electric Company Striated hybrid blade
US5947688A (en) * 1997-12-22 1999-09-07 General Electric Company Frequency tuned hybrid blade
US6039542A (en) * 1997-12-24 2000-03-21 General Electric Company Panel damped hybrid blade
US6224339B1 (en) 1998-07-08 2001-05-01 Allison Advanced Development Company High temperature airfoil
US6033186A (en) * 1999-04-16 2000-03-07 General Electric Company Frequency tuned hybrid blade
US6282786B1 (en) 1999-08-16 2001-09-04 General Electric Company Method of making injection formed hybrid airfoil
US6099257A (en) * 1999-08-31 2000-08-08 General Electric Company Plastically formed hybrid airfoil
US6287080B1 (en) 1999-11-15 2001-09-11 General Electric Company Elastomeric formulation used in the construction of lightweight aircraft engine fan blades
US6454536B1 (en) * 2000-02-09 2002-09-24 General Electric Company Adhesion enhancers to promote bonds of improved strength between elastomers metals in lightweight aircraft fan blades
EP1186748A1 (de) * 2000-09-05 2002-03-13 Siemens Aktiengesellschaft Laufschaufel für eine Strömungsmaschine sowie Strömungsmaschine
US6884507B2 (en) * 2001-10-05 2005-04-26 General Electric Company Use of high modulus, impact resistant foams for structural components
EP1499525A1 (de) * 2002-04-29 2005-01-26 Rolls-Royce Naval Marine, Inc. Propeller
US7575417B2 (en) * 2003-09-05 2009-08-18 General Electric Company Reinforced fan blade
US7211559B2 (en) * 2003-10-31 2007-05-01 University Of Maryland, Baltimore Factor VIII compositions and methods
JP2005240748A (ja) * 2004-02-27 2005-09-08 Mitsubishi Electric Corp 送風機
US7104760B2 (en) * 2004-05-05 2006-09-12 General Electric Company Hybrid bucket and related method of pocket design
GB2418459B (en) * 2004-09-22 2009-04-29 Rolls Royce Plc A method of manufacturing an aerofoil
US7789621B2 (en) * 2005-06-27 2010-09-07 Rolls-Royce North American Technologies, Inc. Gas turbine engine airfoil
GB0516036D0 (en) 2005-08-04 2005-09-14 Rolls Royce Plc Aerofoil
US7334997B2 (en) * 2005-09-16 2008-02-26 General Electric Company Hybrid blisk
US7942639B2 (en) * 2006-03-31 2011-05-17 General Electric Company Hybrid bucket dovetail pocket design for mechanical retainment
US7766625B2 (en) * 2006-03-31 2010-08-03 General Electric Company Methods and apparatus for reducing stress in turbine buckets
US7588421B2 (en) * 2006-03-31 2009-09-15 General Electric Company Methods and apparatus for mechanical retainment of non-metallic fillers in pockets
US7547194B2 (en) * 2006-07-31 2009-06-16 General Electric Company Rotor blade and method of fabricating the same
KR101173327B1 (ko) 2007-03-07 2012-08-10 현대중공업 주식회사 복합재료를 이용한 선박용 프로펠러 및 그 제조 방법
ES2329324B1 (es) * 2007-03-30 2010-09-06 Airbus España, S.L. Borde de ataque de aeronave de material compuesto reforzado.
US7828526B2 (en) * 2007-04-11 2010-11-09 General Electric Company Metallic blade having a composite inlay
US7901189B2 (en) 2007-05-14 2011-03-08 General Electric Company Wind-turbine blade and method for reducing noise in wind turbine
US20090081032A1 (en) * 2007-09-20 2009-03-26 General Electric Company Composite airfoil
ITTO20080013A1 (it) * 2008-01-09 2009-07-10 Rosati Flii S R L Ventola a geometria variabile e procedimento per la fabbricazione delle relative pale
DE102008031329A1 (de) * 2008-07-02 2010-01-07 Mtu Aero Engines Gmbh Verfahren zum Herstellen von Gasturbinenschaufeln
US8251651B2 (en) * 2009-01-28 2012-08-28 United Technologies Corporation Segmented ceramic matrix composite turbine airfoil component
DE102009036018A1 (de) * 2009-08-04 2011-02-17 Siemens Aktiengesellschaft Thermoplastendstufenschaufel
US8083489B2 (en) * 2009-04-16 2011-12-27 United Technologies Corporation Hybrid structure fan blade
US8585368B2 (en) 2009-04-16 2013-11-19 United Technologies Corporation Hybrid structure airfoil
US8075274B2 (en) * 2009-05-13 2011-12-13 Hamilton Sundstrand Corporation Reinforced composite fan blade
EP2461923B1 (de) 2009-08-09 2016-10-05 Rolls-Royce Corporation Verfahren zur formung eines gussartikels
GB0916758D0 (en) * 2009-09-24 2009-11-04 Rolls Royce Plc A hybrid component
DE102010006384A1 (de) * 2010-01-29 2011-08-04 Lufthansa Technik AG, 22335 Reparaturverfahren für ein Verbundbauteil für ein Luftfahrzeug, Verbundbauteil für ein Luftfahrzeug und Einrichtung zur Reparatur eines Verbundbauteiles für ein Luftfahrzeug
FR2956875B1 (fr) * 2010-02-26 2012-09-21 Snecma Aube allegee pour turbomachine, carter comportant une pluralite d'une telle aube et turbomachine comportant au moins un tel carter
US9004873B2 (en) 2010-12-27 2015-04-14 Rolls-Royce Corporation Airfoil, turbomachine and gas turbine engine
US9121284B2 (en) 2012-01-27 2015-09-01 United Technologies Corporation Modal tuning for vanes
US9011087B2 (en) * 2012-03-26 2015-04-21 United Technologies Corporation Hybrid airfoil for a gas turbine engine
EP2660145A1 (de) * 2012-04-30 2013-11-06 Ratier-Figeac Propellerblatt mit leichtgewichtigem Einsatz
EP2660143B1 (de) * 2012-04-30 2021-07-07 Ratier-Figeac Propellerblatt mit leichtgewichtigem Einsatz und Schotten
DE102012023617A1 (de) * 2012-12-04 2014-06-05 Voith Patent Gmbh Schaufelblatt für eine Wasserturbine
US9797257B2 (en) * 2012-12-10 2017-10-24 General Electric Company Attachment of composite article
US9777579B2 (en) * 2012-12-10 2017-10-03 General Electric Company Attachment of composite article
WO2014204573A1 (en) 2013-06-17 2014-12-24 United Technologies Corporation Composite airfoil bonded to a metallic root
FR3007737B1 (fr) 2013-06-26 2017-07-14 Eurocopter France Pale a rigidite en torsion reduite et rotor muni d'une telle pale
WO2015099861A2 (en) 2013-10-30 2015-07-02 United Technologies Corporation Fan blade composite segments
US10371165B2 (en) 2013-10-30 2019-08-06 United Technologies Corporation Fan blade composite ribs
US10415588B2 (en) 2013-11-26 2019-09-17 United Technologies Corporation Fan blade with segmented fan blade cover
WO2015102676A1 (en) * 2013-12-30 2015-07-09 United Technologies Corporation Fan blade with root through holes
EP2896789B1 (de) * 2014-01-16 2018-03-07 United Technologies Corporation Gebläseschaufel mit Verbundabdeckung mit variabler Dicke
WO2015147964A2 (en) * 2014-01-30 2015-10-01 United Technologies Corporation Turbine airfoil with additive manufactured reinforcement of thermoplastic body
WO2015171446A1 (en) 2014-05-05 2015-11-12 Horton, Inc. Composite fan
US20160177732A1 (en) * 2014-07-22 2016-06-23 United Technologies Corporation Hollow fan blade for a gas turbine engine
BE1022481B1 (fr) * 2014-10-28 2016-05-02 Techspace Aero S.A. Aube a treillis de compresseur de turbomachine axiale
US10822970B2 (en) * 2014-11-06 2020-11-03 Raytheon Technologies Corporation Gas turbine engine structural guide vanes
BE1022809B1 (fr) * 2015-03-05 2016-09-13 Techspace Aero S.A. Aube composite de compresseur de turbomachine axiale
BE1023290B1 (fr) * 2015-07-22 2017-01-24 Safran Aero Boosters S.A. Aube composite de compresseur de turbomachine axiale
US20180051566A1 (en) * 2016-08-16 2018-02-22 General Electric Company Airfoil for a turbine engine with a porous tip
US11131314B2 (en) * 2016-09-14 2021-09-28 Raytheon Technologies Corporation Fan blade with structural spar and integrated leading edge
US10570765B2 (en) 2016-11-17 2020-02-25 United Technologies Corporation Endwall arc segments with cover across joint
US10408090B2 (en) 2016-11-17 2019-09-10 United Technologies Corporation Gas turbine engine article with panel retained by preloaded compliant member
US10428658B2 (en) 2016-11-17 2019-10-01 United Technologies Corporation Airfoil with panel fastened to core structure
US10415407B2 (en) 2016-11-17 2019-09-17 United Technologies Corporation Airfoil pieces secured with endwall section
US10309238B2 (en) 2016-11-17 2019-06-04 United Technologies Corporation Turbine engine component with geometrically segmented coating section and cooling passage
US10711794B2 (en) 2016-11-17 2020-07-14 Raytheon Technologies Corporation Airfoil with geometrically segmented coating section having mechanical secondary bonding feature
US10711616B2 (en) 2016-11-17 2020-07-14 Raytheon Technologies Corporation Airfoil having endwall panels
US10662779B2 (en) 2016-11-17 2020-05-26 Raytheon Technologies Corporation Gas turbine engine component with degradation cooling scheme
US10598029B2 (en) 2016-11-17 2020-03-24 United Technologies Corporation Airfoil with panel and side edge cooling
US10408082B2 (en) 2016-11-17 2019-09-10 United Technologies Corporation Airfoil with retention pocket holding airfoil piece
US10711624B2 (en) 2016-11-17 2020-07-14 Raytheon Technologies Corporation Airfoil with geometrically segmented coating section
US10598025B2 (en) 2016-11-17 2020-03-24 United Technologies Corporation Airfoil with rods adjacent a core structure
US10502070B2 (en) 2016-11-17 2019-12-10 United Technologies Corporation Airfoil with laterally insertable baffle
US10746038B2 (en) 2016-11-17 2020-08-18 Raytheon Technologies Corporation Airfoil with airfoil piece having radial seal
US10662782B2 (en) 2016-11-17 2020-05-26 Raytheon Technologies Corporation Airfoil with airfoil piece having axial seal
US10480334B2 (en) 2016-11-17 2019-11-19 United Technologies Corporation Airfoil with geometrically segmented coating section
US10436062B2 (en) 2016-11-17 2019-10-08 United Technologies Corporation Article having ceramic wall with flow turbulators
US10436049B2 (en) 2016-11-17 2019-10-08 United Technologies Corporation Airfoil with dual profile leading end
US10309226B2 (en) 2016-11-17 2019-06-04 United Technologies Corporation Airfoil having panels
US10605088B2 (en) 2016-11-17 2020-03-31 United Technologies Corporation Airfoil endwall with partial integral airfoil wall
US10767487B2 (en) 2016-11-17 2020-09-08 Raytheon Technologies Corporation Airfoil with panel having flow guide
US10677091B2 (en) 2016-11-17 2020-06-09 Raytheon Technologies Corporation Airfoil with sealed baffle
US10480331B2 (en) 2016-11-17 2019-11-19 United Technologies Corporation Airfoil having panel with geometrically segmented coating
US10808554B2 (en) 2016-11-17 2020-10-20 Raytheon Technologies Corporation Method for making ceramic turbine engine article
US10731495B2 (en) 2016-11-17 2020-08-04 Raytheon Technologies Corporation Airfoil with panel having perimeter seal
US10428663B2 (en) 2016-11-17 2019-10-01 United Technologies Corporation Airfoil with tie member and spring
US10677079B2 (en) 2016-11-17 2020-06-09 Raytheon Technologies Corporation Airfoil with ceramic airfoil piece having internal cooling circuit
US10458262B2 (en) 2016-11-17 2019-10-29 United Technologies Corporation Airfoil with seal between endwall and airfoil section
GB201707836D0 (en) * 2017-05-16 2017-06-28 Oscar Propulsion Ltd Outlet guide vanes
US11448233B2 (en) 2017-05-23 2022-09-20 Raytheon Technologies Corporation Following blade impact load support
US10612387B2 (en) 2017-05-25 2020-04-07 United Technologies Corporation Airfoil damping assembly for gas turbine engine
US10641098B2 (en) * 2017-07-14 2020-05-05 United Technologies Corporation Gas turbine engine hollow fan blade rib orientation
US10633976B2 (en) * 2017-07-25 2020-04-28 Bell Helicopter Textron Inc. Methods of customizing, manufacturing, and repairing a rotor blade using additive manufacturing processes
US10557353B2 (en) 2017-10-18 2020-02-11 United Technologies Corporation Hollow fan blade constrained layer damper
US10465715B2 (en) * 2017-10-18 2019-11-05 Goodrich Corporation Blade with damping structures
US10731470B2 (en) * 2017-11-08 2020-08-04 General Electric Company Frangible airfoil for a gas turbine engine
US11286807B2 (en) 2018-09-28 2022-03-29 General Electric Company Metallic compliant tip fan blade
US10920607B2 (en) * 2018-09-28 2021-02-16 General Electric Company Metallic compliant tip fan blade
US20200141268A1 (en) * 2018-11-01 2020-05-07 General Electric Company Frangible Gas Turbine Engine Airfoil
US11427350B2 (en) 2019-01-31 2022-08-30 Textron Innovations Inc. Methods of forming and assembling a rotor blade using additive manufacturing processes
US10995632B2 (en) 2019-03-11 2021-05-04 Raytheon Technologies Corporation Damped airfoil for a gas turbine engine
US11795831B2 (en) 2020-04-17 2023-10-24 Rtx Corporation Multi-material vane for a gas turbine engine
US11572796B2 (en) * 2020-04-17 2023-02-07 Raytheon Technologies Corporation Multi-material vane for a gas turbine engine
US11898464B2 (en) 2021-04-16 2024-02-13 General Electric Company Airfoil for a gas turbine engine
US11560801B1 (en) 2021-12-23 2023-01-24 Rolls-Royce North American Technologies Inc. Fan blade with internal magnetorheological fluid damping
US11746659B2 (en) 2021-12-23 2023-09-05 Rolls-Royce North American Technologies Inc. Fan blade with internal shear-thickening fluid damping
US11795827B1 (en) * 2022-04-04 2023-10-24 General Electric Company Airfoil assembly with a structurally reinforced foam core
US11753942B1 (en) 2022-04-11 2023-09-12 General Electric Company Frangible airfoils
US20230392504A1 (en) * 2022-06-03 2023-12-07 Raytheon Technologies Corporation Polymeric foams for hollow cavities

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1040825A (en) * 1965-04-20 1966-09-01 Rolls Royce Improvements in rotor blades and/or stator blades for gas turbine engines
GB1284538A (en) * 1968-11-19 1972-08-09 Rolls Royce Blade for a fluid flow machine
US3695778A (en) * 1970-09-18 1972-10-03 Trw Inc Turbine blade
FR2165264A5 (en) * 1971-12-23 1973-08-03 Onera (Off Nat Aerospatiale) Turbine blades - of synthetic resin incorporate reinforcing plate which is exposed at the leading edge
US3779338A (en) * 1972-01-27 1973-12-18 Bolt Beranek & Newman Method of reducing sound generation in fluid flow systems embodying foil structures and the like
US3903578A (en) * 1972-02-28 1975-09-09 United Aircraft Corp Composite fan blade and method of construction
US4118147A (en) * 1976-12-22 1978-10-03 General Electric Company Composite reinforcement of metallic airfoils
US4108572A (en) * 1976-12-23 1978-08-22 United Technologies Corporation Composite rotor blade
US4594761A (en) * 1984-02-13 1986-06-17 General Electric Company Method of fabricating hollow composite airfoils
GB2168111B (en) * 1984-12-08 1988-05-18 Rolls Royce Rotor aerofoil blade containment
US5145320A (en) * 1990-08-28 1992-09-08 The United States Of America As Represented By The Secretary Of The Navy Mass loaded composite rotor for vibro-acoustic application
US5269658A (en) * 1990-12-24 1993-12-14 United Technologies Corporation Composite blade with partial length spar
JPH04272499A (ja) * 1991-02-27 1992-09-29 Matsushita Electric Ind Co Ltd 送風機およびその羽根車の製造方法
GB2254892A (en) * 1991-04-16 1992-10-21 Gen Electric Hollow airfoil.
FR2688264A1 (fr) * 1992-03-04 1993-09-10 Snecma Redresseur de turbomachine a aubes ayant une face alveolee chargee en materiau composite.
FR2695163B1 (fr) * 1992-09-02 1994-10-28 Snecma Aube creuse pour turbomachine et son procédé de fabrication.
FR2698126B1 (fr) * 1992-11-18 1994-12-16 Snecma Aube creuse de soufflante ou compresseur de turbomachine.
US5429877A (en) * 1993-10-20 1995-07-04 The United States Of America As Represented By The Secretary Of The Air Force Internally reinforced hollow titanium alloy components

Also Published As

Publication number Publication date
DE69619045T2 (de) 2002-10-17
EP0764764B1 (de) 2002-02-06
JPH09189202A (ja) 1997-07-22
EP0764764A1 (de) 1997-03-26
US5634771A (en) 1997-06-03
JP3989576B2 (ja) 2007-10-10

Similar Documents

Publication Publication Date Title
DE69619045D1 (de) Teilweise metallisches Fan-Schaufelblatt für eine Gasturbine
DE69625426D1 (de) Hybride Fan-Schaufel für eine Gasturbine
DE59807705D1 (de) Leitschaufel für eine Gasturbine
DE69931844D1 (de) Mantelringkühlung für eine Gasturbine
DE69836910D1 (de) Vorrichtung für eine gasturbine
DE69832945D1 (de) Gehäuse für eine Gasturbine
DE69730781D1 (de) Lagerkombination für eine Gasturbine
DE69404857D1 (de) Kühlbarer rotoraufbau für eine gasturbine
DE69810671T2 (de) Startprozedur für eine Gasturbine
DE69622160T2 (de) Leitschaufel für eine gasturbine
DE69830225D1 (de) Verstellbare Einlassleitschaufel für eine Gasturbine
DE69623370D1 (de) Dampfgekühlte Gasturbine
DE69718673D1 (de) Kühlbare schaufelstruktur für eine gasturbine
DE69506218T2 (de) Anstreifring für eine Gasturbine
DE69715393D1 (de) Geschlossenes luftkühlungssystem für eine gasturbine
DE69927430D1 (de) Einlassluftvorwärmung für eine Gasturbine
DE69825232D1 (de) Kühlung einer statorschaufel bei einer gasturbine
DE59504264D1 (de) Brennkammer für eine gasturbine
DE69922567D1 (de) Dichtungsanordnung für eine Gasturbine
GB9405473D0 (en) A gas turbine engine fan blade assembly
DE69310317T2 (de) Schaufelmontage für Bläsergasturbinentriebwerk
DE69821586D1 (de) Dampfgekühlte Gasturbine
GB9412963D0 (en) Gas turbine engine fan blade assembly
DE69819855D1 (de) Kraftstoffsystem für eine Gasturbine
DE59906280D1 (de) Beschichteter Überströmkanal für eine Gasturbine

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Representative=s name: ROEGER UND KOLLEGEN, 73728 ESSLINGEN

8339 Ceased/non-payment of the annual fee