EP2025945A3 - Machine de traitement des écoulements dotée d'un creux de paroi de canal de ceinture - Google Patents

Machine de traitement des écoulements dotée d'un creux de paroi de canal de ceinture Download PDF

Info

Publication number
EP2025945A3
EP2025945A3 EP08013782.1A EP08013782A EP2025945A3 EP 2025945 A3 EP2025945 A3 EP 2025945A3 EP 08013782 A EP08013782 A EP 08013782A EP 2025945 A3 EP2025945 A3 EP 2025945A3
Authority
EP
European Patent Office
Prior art keywords
point
recess
blade tip
points
wall
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
EP08013782.1A
Other languages
German (de)
English (en)
Other versions
EP2025945A2 (fr
EP2025945B1 (fr
Inventor
Volker Gümmer
Marius Swoboda
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 EP2025945A2 publication Critical patent/EP2025945A2/fr
Publication of EP2025945A3 publication Critical patent/EP2025945A3/fr
Application granted granted Critical
Publication of EP2025945B1 publication Critical patent/EP2025945B1/fr
Ceased 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
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/52—Casings; Connections of working fluid for axial pumps
    • F04D29/522—Casings; Connections of working fluid for axial pumps especially adapted for elastic fluid pumps
    • F04D29/526—Details of the casing section radially opposing blade tips
    • 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
    • F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/68—Combating cavitation, whirls, noise, vibration or the like; Balancing by influencing boundary layers
    • F04D29/681—Combating cavitation, whirls, noise, vibration or the like; Balancing by influencing boundary layers especially adapted for elastic fluid pumps
    • F04D29/685—Inducing localised fluid recirculation in the stator-rotor interface

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
EP08013782.1A 2007-08-10 2008-07-31 Machine de traitement des écoulements dotée d'un creux de paroi de canal de ceinture Ceased EP2025945B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102007037924A DE102007037924A1 (de) 2007-08-10 2007-08-10 Strömungsarbeitsmaschine mit Ringkanalwandausnehmung

Publications (3)

Publication Number Publication Date
EP2025945A2 EP2025945A2 (fr) 2009-02-18
EP2025945A3 true EP2025945A3 (fr) 2014-06-25
EP2025945B1 EP2025945B1 (fr) 2016-04-20

Family

ID=39869927

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08013782.1A Ceased EP2025945B1 (fr) 2007-08-10 2008-07-31 Machine de traitement des écoulements dotée d'un creux de paroi de canal de ceinture

Country Status (3)

Country Link
US (1) US8419355B2 (fr)
EP (1) EP2025945B1 (fr)
DE (1) DE102007037924A1 (fr)

Families Citing this family (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007056953B4 (de) * 2007-11-27 2015-10-22 Rolls-Royce Deutschland Ltd & Co Kg Strömungsarbeitsmaschine mit Ringkanalwandausnehmung
FR2940374B1 (fr) * 2008-12-23 2015-02-20 Snecma Carter de compresseur a cavites optimisees.
DE102011107523B4 (de) * 2011-07-15 2016-08-11 MTU Aero Engines AG System zum Einblasen eines Fluids, Verdichter sowie Turbomaschine
FR2989743B1 (fr) * 2012-04-19 2015-08-14 Snecma Carter de compresseur a cavites de longueurs variees
FR2989744B1 (fr) * 2012-04-19 2014-06-13 Snecma Carter de compresseur a cavites au calage optimise
FR2989742B1 (fr) * 2012-04-19 2014-05-09 Snecma Carter de compresseur a cavites a forme amont optimisee
US20140093355A1 (en) * 2012-09-28 2014-04-03 United Technologies Corporation Extended indentation for a fastener within an air flow
KR101790421B1 (ko) 2013-01-23 2017-10-25 컨셉츠 이티아이 인코포레이티드 터보머신들의 인접한 블레이드 요소들의 흐름장들의 결합을 가하는 구조들 및 방법들, 그리고 그들을 포함하는 터보머신들
EP2971547B1 (fr) * 2013-03-12 2020-01-01 United Technologies Corporation Stator en porte-à-faux comportant une caractéristique de déclenchement de tourbillon
US9644639B2 (en) * 2014-01-27 2017-05-09 Pratt & Whitney Canada Corp. Shroud treatment for a centrifugal compressor
WO2015200533A1 (fr) * 2014-06-24 2015-12-30 Concepts Eti, Inc. Structures de commande d'écoulement pour turbomachines et procédés de conception associés
WO2016022138A1 (fr) * 2014-08-08 2016-02-11 Siemens Aktiengesellschaft Compresseur utilisable dans un moteur à turbine à gaz
US20160153465A1 (en) * 2014-12-01 2016-06-02 General Electric Company Axial compressor endwall treatment for controlling leakage flow therein
US10047620B2 (en) * 2014-12-16 2018-08-14 General Electric Company Circumferentially varying axial compressor endwall treatment for controlling leakage flow therein
JP2016118165A (ja) * 2014-12-22 2016-06-30 株式会社Ihi 軸流機械およびジェットエンジン
EP3037674A1 (fr) * 2014-12-22 2016-06-29 Alstom Technology Ltd Moteur et procédé de fonctionnement dudit moteur
CN108506249B (zh) * 2018-04-02 2020-03-10 华能国际电力股份有限公司 一种用于轴流压气机的槽类端壁处理方法
DE102018116062A1 (de) * 2018-07-03 2020-01-09 Rolls-Royce Deutschland Ltd & Co Kg Strukturbaugruppe für einen Verdichter einer Strömungsmaschine
US10914318B2 (en) * 2019-01-10 2021-02-09 General Electric Company Engine casing treatment for reducing circumferentially variable distortion
EP3734081A1 (fr) * 2019-04-30 2020-11-04 Borgwarner Inc. Dispositif de modification de flux pour compresseurs
JP2023536998A (ja) 2020-08-07 2023-08-30 コンセプツ エヌアールイーシー，エルエルシー 性能を向上させるための流量制御構造及び当該流量制御構造を組み込んだターボ機械
CN112832878B (zh) * 2020-12-31 2022-10-25 南昌航空大学 一种涡轮泄漏流控制的非定常机匣处理结构
US20230151825A1 (en) * 2021-11-17 2023-05-18 Pratt & Whitney Canada Corp. Compressor shroud with swept grooves
FR3137940A1 (fr) * 2022-07-15 2024-01-19 Safran Traitement de carter à calage variable par multidisques co-axiaux
FR3140406A1 (fr) * 2022-10-04 2024-04-05 Safran Traitement de carter non axisymétrique à ouverture pilotée
US12018621B1 (en) 2023-08-16 2024-06-25 Rolls-Royce North American Technologies Inc. Adjustable depth tip treatment with rotatable ring with pockets for a fan of a gas turbine engine
US11965528B1 (en) 2023-08-16 2024-04-23 Rolls-Royce North American Technologies Inc. Adjustable air flow plenum with circumferential movable closure for a fan of a gas turbine engine
US12085021B1 (en) 2023-08-16 2024-09-10 Rolls-Royce North American Technologies Inc. Adjustable air flow plenum with movable closure for a fan of a gas turbine engine
US11970985B1 (en) 2023-08-16 2024-04-30 Rolls-Royce North American Technologies Inc. Adjustable air flow plenum with pivoting vanes for a fan of a gas turbine engine
US12066035B1 (en) 2023-08-16 2024-08-20 Rolls-Royce North American Technologies Inc. Adjustable depth tip treatment with axial member with pockets for a fan of a gas turbine engine
US12078070B1 (en) 2023-08-16 2024-09-03 Rolls-Royce North American Technologies Inc. Adjustable air flow plenum with sliding doors for a fan of a gas turbine engine
US12385408B1 (en) * 2024-01-26 2025-08-12 Rtx Corporation Life and performance improvement trenches
US12258870B1 (en) 2024-03-08 2025-03-25 Rolls-Royce North American Technologies Inc. Adjustable fan track liner with slotted array active fan tip treatment for distortion tolerance
US12215712B1 (en) 2024-05-09 2025-02-04 Rolls-Royce North American Technologies Inc. Adjustable fan track liner with dual grooved array active fan tip treatment for distortion tolerance
US12286936B1 (en) 2024-05-09 2025-04-29 Rolls-Royce North American Technologies Inc. Adjustable fan track liner with groove array active fan tip treatment for distortion tolerance
US12209541B1 (en) 2024-05-09 2025-01-28 Rolls-Royce North American Technologies Inc. Adjustable fan track liner with dual slotted array active fan tip treatment for distortion tolerance
US12168983B1 (en) 2024-06-28 2024-12-17 Rolls-Royce North American Technologies Inc. Active fan tip treatment using rotating drum array in fan track liner with axial and circumferential channels for distortion tolerance
US12209502B1 (en) 2024-06-28 2025-01-28 Rolls-Royce North American Technologies Inc. Active fan tip treatment using rotating drum array with axial channels in fan track liner for distortion tolerance

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3521798A1 (de) * 1984-06-19 1992-08-27 Rolls Royce Plc Axialverdichter mit pumpverhuetungsmassnahmen
DE69402843T2 (de) * 1993-03-11 1997-09-04 Central Inst Of Aviat Motors C Schaufelspitzeneinrichtung zum schutz gegen strömungsablösung
DE10330084A1 (de) * 2002-08-23 2004-03-04 Mtu Aero Engines Gmbh Rezirkulationsstruktur für Turboverdichter
GB2408546A (en) * 2003-11-25 2005-06-01 Rolls Royce Plc Compressor casing treatment slots

Family Cites Families (58)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE889506C (de) 1940-09-25 1953-09-10 Versuchsanstalt Fuer Luftfahrt Stroemungsmaschine mit Grenzschichtabsaugung
GB619722A (en) 1946-12-20 1949-03-14 English Electric Co Ltd Improvements in and relating to boundary layer control in fluid conduits
US2933238A (en) * 1954-06-24 1960-04-19 Edward A Stalker Axial flow compressors incorporating boundary layer control
GB799675A (en) 1955-10-13 1958-08-13 Bristol Aeroengines Ltd Improvements in or relating to axial flow gas compressors and turbines
US3066912A (en) * 1961-03-28 1962-12-04 Gen Electric Turbine erosion protective device
CH437614A (de) 1963-07-02 1967-11-30 Moravec Zdenek Strömungsmaschine mit verminderter Geräuscherzeugung
GB987625A (en) 1963-10-14 1965-03-31 Rolls Royce Improvements in or relating to axial flow compressors, for example for aircraft gas turbine engines
US3572960A (en) * 1969-01-02 1971-03-30 Gen Electric Reduction of sound in gas turbine engines
DE1938132A1 (de) * 1969-07-26 1971-01-28 Daimler Benz Ag Leitschaufeln von Axialverdichtern
FR2166494A5 (fr) * 1971-12-27 1973-08-17 Onera (Off Nat Aerospatiale)
US3849023A (en) * 1973-06-28 1974-11-19 Gen Electric Stator assembly
FR2248732A5 (fr) * 1973-10-23 1975-05-16 Onera (Off Nat Aerospatiale)
US4155680A (en) * 1977-02-14 1979-05-22 General Electric Company Compressor protection means
GB2017228B (en) * 1977-07-14 1982-05-06 Pratt & Witney Aircraft Of Can Shroud for a turbine rotor
FR2491549B1 (fr) * 1980-10-08 1985-07-05 Snecma Dispositif de refroidissement d'une turbine a gaz, par prelevement d'air au niveau du compresseur
US4479755A (en) * 1982-04-22 1984-10-30 A/S Kongsberg Vapenfabrikk Compressor boundary layer bleeding system
DE3407945A1 (de) * 1984-03-03 1985-09-05 MTU Motoren- und Turbinen-Union München GmbH, 8000 München Verfahren und mittel zur vermeidung der entstehung von titanfeuer
DE3407946A1 (de) * 1984-03-03 1985-09-05 MTU Motoren- und Turbinen-Union München GmbH, 8000 München Einrichtung zur verhinderung der ausbreitung von titanfeuer bei turbomaschinen, insbesondere gasturbinen- bzw. gasturbinenstrahltriebwerken
GB2245312B (en) * 1984-06-19 1992-03-25 Rolls Royce Plc Axial flow compressor surge margin improvement
US5059093A (en) * 1990-06-07 1991-10-22 United Technologies Corporation Compressor bleed port
US5203162A (en) * 1990-09-12 1993-04-20 United Technologies Corporation Compressor bleed manifold for a gas turbine engine
JPH04132899A (ja) * 1990-09-25 1992-05-07 Mitsubishi Heavy Ind Ltd 軸流送風機
DE69204861T2 (de) * 1991-01-30 1996-05-23 United Technologies Corp Ventilatorgehäuse mit Rezirculationskanälen.
US5327716A (en) * 1992-06-10 1994-07-12 General Electric Company System and method for tailoring rotor tip bleed air
US5431533A (en) * 1993-10-15 1995-07-11 United Technologies Corporation Active vaned passage casing treatment
US5480284A (en) * 1993-12-20 1996-01-02 General Electric Company Self bleeding rotor blade
US5562404A (en) 1994-12-23 1996-10-08 United Technologies Corporation Vaned passage hub treatment for cantilever stator vanes
US5607284A (en) 1994-12-29 1997-03-04 United Technologies Corporation Baffled passage casing treatment for compressor blades
US5474417A (en) * 1994-12-29 1995-12-12 United Technologies Corporation Cast casing treatment for compressor blades
JP3816150B2 (ja) 1995-07-18 2006-08-30 株式会社荏原製作所 遠心流体機械
US5762034A (en) * 1996-01-16 1998-06-09 Board Of Trustees Operating Michigan State University Cooling fan shroud
DE19632207A1 (de) 1996-08-09 1998-02-12 Bmw Rolls Royce Gmbh Verfahren zur Verhinderung der laminaren Grenzschicht-Ablösung an Turbomaschinen-Schaufeln
US6109868A (en) * 1998-12-07 2000-08-29 General Electric Company Reduced-length high flow interstage air extraction
US6231301B1 (en) * 1998-12-10 2001-05-15 United Technologies Corporation Casing treatment for a fluid compressor
US6574965B1 (en) * 1998-12-23 2003-06-10 United Technologies Corporation Rotor tip bleed in gas turbine engines
US6290458B1 (en) * 1999-09-20 2001-09-18 Hitachi, Ltd. Turbo machines
US6234747B1 (en) * 1999-11-15 2001-05-22 General Electric Company Rub resistant compressor stage
DE10135003C1 (de) * 2001-07-18 2002-10-02 Mtu Aero Engines Gmbh Verdichtergehäusestruktur
US6585479B2 (en) 2001-08-14 2003-07-01 United Technologies Corporation Casing treatment for compressors
US6663346B2 (en) * 2002-01-17 2003-12-16 United Technologies Corporation Compressor stator inner diameter platform bleed system
WO2003072949A1 (fr) * 2002-02-28 2003-09-04 Mtu Aero Engines Gmbh Moyens de traitement antiblocage d'extremites pour turbocompresseurs
GB0216952D0 (en) * 2002-07-20 2002-08-28 Rolls Royce Plc Gas turbine engine casing and rotor blade arrangement
DE10233032A1 (de) * 2002-07-20 2004-01-29 Rolls-Royce Deutschland Ltd & Co Kg Strömungsarbeitsmaschine mit integriertem Fluidzirkulationssystem
US7186072B2 (en) * 2002-08-23 2007-03-06 Mtu Aero Engines Gmbh Recirculation structure for a turbocompressor
FR2846034B1 (fr) * 2002-10-22 2006-06-23 Snecma Moteurs Carter, compresseur, turbine et turbomoteur a combustion comprenant un tel carter
DE10355241A1 (de) * 2003-11-26 2005-06-30 Rolls-Royce Deutschland Ltd & Co Kg Strömungsarbeitsmaschine mit Fluidzufuhr
DE10355240A1 (de) * 2003-11-26 2005-07-07 Rolls-Royce Deutschland Ltd & Co Kg Strömungsarbeitsmaschine mit Fluidentnahme
US7097414B2 (en) * 2003-12-16 2006-08-29 Pratt & Whitney Rocketdyne, Inc. Inducer tip vortex suppressor
GB2413158B (en) 2004-04-13 2006-08-16 Rolls Royce Plc Flow control arrangement
DE102004030597A1 (de) * 2004-06-24 2006-01-26 Rolls-Royce Deutschland Ltd & Co Kg Strömungsarbeitsmaschine mit Aussenradstrahlerzeugung am Stator
DE102004043036A1 (de) * 2004-09-06 2006-03-09 Rolls-Royce Deutschland Ltd & Co Kg Strömungsarbeitsmaschine mit Fluidentnahme
DE102004055439A1 (de) * 2004-11-17 2006-05-24 Rolls-Royce Deutschland Ltd & Co Kg Strömungsarbeitsmaschine mit dynamischer Strömungsbeeinflussung
US7861823B2 (en) * 2005-11-04 2011-01-04 United Technologies Corporation Duct for reducing shock related noise
GB0600532D0 (en) * 2006-01-12 2006-02-22 Rolls Royce Plc A blade and rotor arrangement
EP1862641A1 (fr) * 2006-06-02 2007-12-05 Siemens Aktiengesellschaft Canal d'écoulement axial pour turbomachine
US20080044273A1 (en) * 2006-08-15 2008-02-21 Syed Arif Khalid Turbomachine with reduced leakage penalties in pressure change and efficiency
FR2912789B1 (fr) * 2007-02-21 2009-10-02 Snecma Sa Carter avec traitement de carter, compresseur et turbomachine comportant un tel carter.
US20090160135A1 (en) * 2007-12-20 2009-06-25 Gabriele Turini Labyrinth seal with reduced leakage flow by grooves and teeth synergistic action

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3521798A1 (de) * 1984-06-19 1992-08-27 Rolls Royce Plc Axialverdichter mit pumpverhuetungsmassnahmen
DE69402843T2 (de) * 1993-03-11 1997-09-04 Central Inst Of Aviat Motors C Schaufelspitzeneinrichtung zum schutz gegen strömungsablösung
DE10330084A1 (de) * 2002-08-23 2004-03-04 Mtu Aero Engines Gmbh Rezirkulationsstruktur für Turboverdichter
GB2408546A (en) * 2003-11-25 2005-06-01 Rolls Royce Plc Compressor casing treatment slots

Also Published As

Publication number Publication date
DE102007037924A1 (de) 2009-02-12
EP2025945A2 (fr) 2009-02-18
US8419355B2 (en) 2013-04-16
EP2025945B1 (fr) 2016-04-20
US20090041576A1 (en) 2009-02-12

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