EP2025946A3 - Bande de recouvrement dotée d'une production de rayons de blocage - Google Patents

Bande de recouvrement dotée d'une production de rayons de blocage Download PDF

Info

Publication number
EP2025946A3
EP2025946A3 EP08014018.9A EP08014018A EP2025946A3 EP 2025946 A3 EP2025946 A3 EP 2025946A3 EP 08014018 A EP08014018 A EP 08014018A EP 2025946 A3 EP2025946 A3 EP 2025946A3
Authority
EP
European Patent Office
Prior art keywords
shroud
outlet
fluid
blades
inner chamber
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.)
Granted
Application number
EP08014018.9A
Other languages
German (de)
English (en)
Other versions
EP2025946B1 (fr
EP2025946A2 (fr
Inventor
Volker Dr. Gümmer
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 Deutschland Ltd and Co KG
Original Assignee
Rolls Royce Deutschland Ltd and Co KG
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 Deutschland Ltd and Co KG filed Critical Rolls Royce Deutschland Ltd and Co KG
Publication of EP2025946A2 publication Critical patent/EP2025946A2/fr
Publication of EP2025946A3 publication Critical patent/EP2025946A3/fr
Application granted granted Critical
Publication of EP2025946B1 publication Critical patent/EP2025946B1/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/08—Sealings
    • F04D29/16—Sealings between pressure and suction sides
    • F04D29/161—Sealings between pressure and suction sides especially adapted for elastic fluid pumps
    • F04D29/164—Sealings between pressure and suction sides especially adapted for elastic fluid pumps of an axial flow wheel
    • 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
    • F01D11/001—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between stator blade 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
    • F01D11/02—Preventing or minimising internal leakage of working-fluid, e.g. between stages by non-contact sealings, e.g. of labyrinth type
    • F01D11/04—Preventing or minimising internal leakage of working-fluid, e.g. between stages by non-contact sealings, e.g. of labyrinth type using sealing fluid, e.g. steam
    • 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
    • F01D9/00—Stators
    • F01D9/06—Fluid supply conduits to nozzles or the like
    • F01D9/065—Fluid supply or removal conduits traversing the working fluid flow, e.g. for lubrication-, cooling-, or sealing fluids
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
    • F04D27/02—Surge control
    • F04D27/0207—Surge control by bleeding, bypassing or recycling fluids
    • F04D27/0238—Details or means for fluid reinjection

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
EP08014018.9A 2007-08-10 2008-08-05 Bande de recouvrement dotée d'une production de rayons de blocage Expired - Fee Related EP2025946B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102007037855A DE102007037855A1 (de) 2007-08-10 2007-08-10 Schaufeldeckband mit Sperrstrahlerzeugung

Publications (3)

Publication Number Publication Date
EP2025946A2 EP2025946A2 (fr) 2009-02-18
EP2025946A3 true EP2025946A3 (fr) 2013-07-31
EP2025946B1 EP2025946B1 (fr) 2014-06-18

Family

ID=39869928

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08014018.9A Expired - Fee Related EP2025946B1 (fr) 2007-08-10 2008-08-05 Bande de recouvrement dotée d'une production de rayons de blocage

Country Status (3)

Country Link
US (1) US8403630B2 (fr)
EP (1) EP2025946B1 (fr)
DE (1) DE102007037855A1 (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008029605A1 (de) * 2008-06-23 2009-12-24 Rolls-Royce Deutschland Ltd & Co Kg Schaufeldeckband mit Durchlass
GB0901473D0 (en) * 2009-01-30 2009-03-11 Rolls Royce Plc An axial-flow turbo machine
EP2292897A1 (fr) * 2009-09-02 2011-03-09 Alstom Technology Ltd Turbine à flux axial
US9938840B2 (en) * 2015-02-10 2018-04-10 United Technologies Corporation Stator vane with platform having sloped face
US10161250B2 (en) 2015-02-10 2018-12-25 United Technologies Corporation Rotor with axial arm having protruding ramp
US10330121B2 (en) * 2015-02-26 2019-06-25 Honeywell International Inc. Systems and methods for axial compressor with secondary flow
US10451084B2 (en) 2015-11-16 2019-10-22 General Electric Company Gas turbine engine with vane having a cooling inlet
US10550725B2 (en) * 2016-10-19 2020-02-04 United Technologies Corporation Engine cases and associated flange
DE102019217394A1 (de) * 2019-11-11 2021-05-12 MTU Aero Engines AG Leitschaufelanordnung für eine strömungsmaschine
FR3106626B1 (fr) * 2020-01-24 2022-06-10 Safran Aircraft Engines Basculement differencié entre rotor et stator aux entrefers rotor-stator dans un compresseur de turbomachine
US11946379B2 (en) 2021-12-22 2024-04-02 Rolls-Royce North American Technologies Inc. Turbine engine fan case with manifolded tip injection air recirculation passages
US11702945B2 (en) 2021-12-22 2023-07-18 Rolls-Royce North American Technologies Inc. Turbine engine fan case with tip injection air recirculation passage
US11732612B2 (en) 2021-12-22 2023-08-22 Rolls-Royce North American Technologies Inc. Turbine engine fan track liner with tip injection air recirculation passage

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19601818A1 (de) * 1995-02-23 1996-08-29 Bmw Rolls Royce Gmbh Turbinenschaufel-Anordnung mit einem Deckband
DE10214624C1 (de) * 2001-10-29 2003-03-27 Man Turbomasch Ag Ghh Borsig Vorrichtung zur Abdichtung in Turbomaschinen
EP1384855A2 (fr) * 2002-07-25 2004-01-28 Mitsubishi Heavy Industries, Ltd. Structure de refroidissement d'une pale de turbine, et turbine à gaz
DE69817303T2 (de) * 1997-11-27 2004-06-24 Snecma Moteurs Gekühlte Statorschaufel
EP1609999A2 (fr) * 2004-06-24 2005-12-28 Rolls-Royce Deutschland Ltd & Co KG Turbo machine

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4534701A (en) * 1982-06-29 1985-08-13 Gerhard Wisser Rotor or guide wheel of a turbine engine with shroud ring
EP0943849A1 (fr) 1998-03-19 1999-09-22 Asea Brown Boveri AG Joint d'étanchéité sans contact pour turbomachines
US6471472B1 (en) 2000-05-03 2002-10-29 Siemens Canada Limited Turbomachine shroud fibrous tip seal
US6508624B2 (en) 2001-05-02 2003-01-21 Siemens Automotive, Inc. Turbomachine with double-faced rotor-shroud seal structure
US6779597B2 (en) * 2002-01-16 2004-08-24 General Electric Company Multiple impingement cooled structure
DE10353810A1 (de) 2003-11-17 2005-06-23 Rolls-Royce Deutschland Ltd & Co Kg Innendeckband für die Statorschaufeln des Verdichters einer Gasturbine

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19601818A1 (de) * 1995-02-23 1996-08-29 Bmw Rolls Royce Gmbh Turbinenschaufel-Anordnung mit einem Deckband
DE69817303T2 (de) * 1997-11-27 2004-06-24 Snecma Moteurs Gekühlte Statorschaufel
DE10214624C1 (de) * 2001-10-29 2003-03-27 Man Turbomasch Ag Ghh Borsig Vorrichtung zur Abdichtung in Turbomaschinen
EP1384855A2 (fr) * 2002-07-25 2004-01-28 Mitsubishi Heavy Industries, Ltd. Structure de refroidissement d'une pale de turbine, et turbine à gaz
EP1609999A2 (fr) * 2004-06-24 2005-12-28 Rolls-Royce Deutschland Ltd & Co KG Turbo machine

Also Published As

Publication number Publication date
US20090047120A1 (en) 2009-02-19
EP2025946B1 (fr) 2014-06-18
US8403630B2 (en) 2013-03-26
EP2025946A2 (fr) 2009-02-18
DE102007037855A1 (de) 2009-02-12

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