DE69927920D1 - Zwischenschaufelplattform - Google Patents

Zwischenschaufelplattform

Info

Publication number
DE69927920D1
DE69927920D1 DE69927920T DE69927920T DE69927920D1 DE 69927920 D1 DE69927920 D1 DE 69927920D1 DE 69927920 T DE69927920 T DE 69927920T DE 69927920 T DE69927920 T DE 69927920T DE 69927920 D1 DE69927920 D1 DE 69927920D1
Authority
DE
Germany
Prior art keywords
blade platform
blade
platform
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
DE69927920T
Other languages
English (en)
Other versions
DE69927920T2 (de
Inventor
David Sydney Knott
Kevin Andrew White
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
Application granted granted Critical
Publication of DE69927920D1 publication Critical patent/DE69927920D1/de
Publication of DE69927920T2 publication Critical patent/DE69927920T2/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
    • F01D5/14—Form or construction
    • F01D5/141—Shape, i.e. outer, aerodynamic form
    • F01D5/142—Shape, i.e. outer, aerodynamic form of the blades of successive rotor or stator blade-rows
    • F01D5/143—Contour of the outer or inner working fluid flow path wall, i.e. shroud or hub contour
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Laminated Bodies (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
DE69927920T 1998-12-24 1999-12-09 Zwischenschaufelplattform Expired - Lifetime DE69927920T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9828484 1998-12-24
GBGB9828484.7A GB9828484D0 (en) 1998-12-24 1998-12-24 Improvements in or relating to bladed structures for fluid flow propulsion engines

Publications (2)

Publication Number Publication Date
DE69927920D1 true DE69927920D1 (de) 2005-12-01
DE69927920T2 DE69927920T2 (de) 2006-04-20

Family

ID=10844923

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69927920T Expired - Lifetime DE69927920T2 (de) 1998-12-24 1999-12-09 Zwischenschaufelplattform

Country Status (4)

Country Link
US (1) US6312224B1 (de)
EP (1) EP1013886B1 (de)
DE (1) DE69927920T2 (de)
GB (1) GB9828484D0 (de)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6217283B1 (en) * 1999-04-20 2001-04-17 General Electric Company Composite fan platform
GB9915637D0 (en) * 1999-07-06 1999-09-01 Rolls Royce Plc A rotor seal
FR2825748B1 (fr) 2001-06-07 2003-11-07 Snecma Moteurs Agencement de rotor de turbomachine a deux disques aubages separes par une entretoise
FR2858351B1 (fr) * 2003-07-31 2006-01-13 Snecma Moteurs Plate-forme inter-aubes a flechissement lateral, pour un support d'aubes de turboreacteur
GB0427083D0 (en) * 2004-12-10 2005-01-12 Rolls Royce Plc Platform mounted components
US7025356B1 (en) 2004-12-20 2006-04-11 Pratt & Whitney Canada Corp. Air-oil seal
US7942639B2 (en) * 2006-03-31 2011-05-17 General Electric Company Hybrid bucket dovetail pocket design for mechanical retainment
GB0611031D0 (en) 2006-06-06 2006-07-12 Rolls Royce Plc An aerofoil stage and a seal for use therein
GB0614640D0 (en) * 2006-07-22 2006-08-30 Rolls Royce Plc An annulus filler seal
GB0804260D0 (en) * 2008-03-07 2008-04-16 Rolls Royce Plc Annulus filler
US8070448B2 (en) * 2008-10-30 2011-12-06 Honeywell International Inc. Spacers and turbines
GB0914060D0 (en) * 2009-08-12 2009-09-16 Rolls Royce Plc A rotor assembly for a gas turbine
GB0919657D0 (en) 2009-11-11 2009-12-23 Rolls Royce Plc Annulus filler for a gas turbine engine
US8794925B2 (en) * 2010-08-24 2014-08-05 United Technologies Corporation Root region of a blade for a gas turbine engine
GB201020857D0 (en) * 2010-12-09 2011-01-26 Rolls Royce Plc Annulus filler
GB201106278D0 (en) 2011-04-14 2011-05-25 Rolls Royce Plc Annulus filler system
US9334743B2 (en) * 2011-05-26 2016-05-10 United Technologies Corporation Ceramic matrix composite airfoil for a gas turbine engine
GB201119655D0 (en) 2011-11-15 2011-12-28 Rolls Royce Plc Annulus filler
FR2988427B1 (fr) * 2012-03-20 2017-07-21 Snecma Plate-forme inter-aubes
RU2525376C1 (ru) * 2013-03-28 2014-08-10 Открытое акционерное общество "Уфимское моторостроительное производственное объединение" ОАО "УМПО" Рабочее колесо осевого компрессора газотурбинного двигателя
EP2999855A1 (de) * 2013-05-23 2016-03-30 General Electric Company Verbundverdichterschaufel und verfahren zur montage
GB201314540D0 (en) * 2013-08-14 2013-09-25 Rolls Royce Plc Annulus filler
DE102014217884A1 (de) * 2014-09-08 2016-03-24 Rolls-Royce Deutschland Ltd & Co Kg Füllelemente eines Fans einer Gasturbine
US10024234B2 (en) 2014-09-08 2018-07-17 Rolls-Royce Deutschland Ltd & Co Kg Panels of a fan of a gas turbine
US10156151B2 (en) * 2014-10-23 2018-12-18 Rolls-Royce North American Technologies Inc. Composite annulus filler
US10995846B2 (en) * 2016-09-23 2021-05-04 Bell Helicopter Textron Inc. Fan with labyrinth seal for prevention of water damage to a gearbox
FR3080322B1 (fr) * 2018-04-20 2020-03-27 Safran Aircraft Engines Aube comprenant une structure en materiau composite et procede de fabrication associe
US10557361B1 (en) * 2018-10-16 2020-02-11 United Technologies Corporation Platform for an airfoil of a gas turbine engine
FR3107923B1 (fr) * 2020-03-03 2022-02-04 Safran Aircraft Engines Procede de fabrication d’une plateforme composite pour une soufflante de turbomachine d’aeronef
US12012857B2 (en) 2022-10-14 2024-06-18 Rtx Corporation Platform for an airfoil of a gas turbine engine

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1170592A (en) * 1966-11-29 1969-11-12 Rolls Royce Aerofoil-Shaped Blades and Blade Assemblies, for use in a Fluid Flow Machine
GB1190293A (en) * 1968-03-20 1970-04-29 Rolls Royce Method of Making a Bladed Rotor
US3756745A (en) * 1972-03-15 1973-09-04 United Aircraft Corp Composite blade root configuration
US3749518A (en) 1972-03-15 1973-07-31 United Aircraft Corp Composite blade root configuration
US4045149A (en) 1976-02-03 1977-08-30 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Platform for a swing root turbomachinery blade
US4343593A (en) * 1980-01-25 1982-08-10 The United States Of America As Represented By The Secretary Of The Air Force Composite blade for turbofan engine fan
US4589176A (en) * 1983-11-25 1986-05-20 Rockwell International Corporation Fiber-composite turbine blade and method for its construction
GB2171151B (en) 1985-02-20 1988-05-18 Rolls Royce Rotors for gas turbine engines
WO1991008893A1 (de) * 1989-12-20 1991-06-27 MTU MOTOREN- UND TURBINEN-UNION MüNCHEN GMBH Zugbeanspruchtes fasertechnisches bauteil
FR2685732B1 (fr) 1991-12-31 1994-02-25 Snecma Aube de turbomachine en materiau composite.
US5232346A (en) * 1992-08-11 1993-08-03 General Electric Company Rotor assembly and platform spacer therefor
FR2699499B1 (fr) * 1992-12-23 1995-03-10 Eurocopter France Pale en composite thermoplastique, notamment pour rotor arrière caréné d'hélicoptère, et son procédé de fabrication avec étape d'injection.
US5403153A (en) * 1993-10-29 1995-04-04 The United States Of America As Represented By The Secretary Of The Air Force Hollow composite turbine blade
US5573377A (en) * 1995-04-21 1996-11-12 General Electric Company Assembly of a composite blade root and a rotor

Also Published As

Publication number Publication date
US6312224B1 (en) 2001-11-06
DE69927920T2 (de) 2006-04-20
GB9828484D0 (en) 1999-02-17
EP1013886A2 (de) 2000-06-28
EP1013886A3 (de) 2004-01-07
EP1013886B1 (de) 2005-10-26

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition