EP2250347A1 - Vorrichtung und verfahren zur umleitung eines leckagestroms - Google Patents
Vorrichtung und verfahren zur umleitung eines leckagestromsInfo
- Publication number
- EP2250347A1 EP2250347A1 EP09714205A EP09714205A EP2250347A1 EP 2250347 A1 EP2250347 A1 EP 2250347A1 EP 09714205 A EP09714205 A EP 09714205A EP 09714205 A EP09714205 A EP 09714205A EP 2250347 A1 EP2250347 A1 EP 2250347A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- rotor
- stator
- outlet opening
- sealing element
- guide
- 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
Links
- 238000000034 method Methods 0.000 title claims description 8
- 238000007789 sealing Methods 0.000 claims abstract description 52
- 238000011144 upstream manufacturing Methods 0.000 claims description 8
- 238000007664 blowing Methods 0.000 claims description 2
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 230000009931 harmful effect Effects 0.000 description 3
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
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
- F01D11/001—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
-
- 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
- F04D29/083—Sealings especially adapted for elastic fluid pumps
-
- 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
- F04D29/54—Fluid-guiding means, e.g. diffusers
- F04D29/541—Specially adapted for elastic fluid pumps
- F04D29/542—Bladed diffusers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2240/00—Components
- F05D2240/55—Seals
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2240/00—Components
- F05D2240/80—Platforms for stationary or moving blades
- F05D2240/81—Cooled platforms
Definitions
- the outlet opening can also be arranged on a side facing the stator edge of the hub surface.
- the outlet opening can be arranged between two rotor blades of the rotor, wherein the outlet opening can be arranged closer to that of the two rotor blades, which is arranged with respect to a direction of rotation of the rotor behind the outlet opening.
- the sealing member 112 may cause interruption and diversion of the leakage flow 106 into the guide 116.
- the leakage flow 106 can thus be guided past the sealing element 112, between the rotor shaft 126 and the extension 134, to the channel 132 in the rotor platform 124.
- the outlet openings 114 may be arranged between two rotor blades 122 so that an outlet opening 114 is arranged in each case closer to that of the two adjacent rotor blades 122 that is arranged behind the outlet opening 114 with respect to a direction of rotation 152 of the rotor.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Synchronous Machinery (AREA)
- Motor Or Generator Frames (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102008011746A DE102008011746A1 (de) | 2008-02-28 | 2008-02-28 | Vorrichtung und Verfahren zur Umleitung eines Leckagestroms |
PCT/DE2009/000229 WO2009106045A1 (de) | 2008-02-28 | 2009-02-19 | Vorrichtung und verfahren zur umleitung eines leckagestroms |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2250347A1 true EP2250347A1 (de) | 2010-11-17 |
EP2250347B1 EP2250347B1 (de) | 2017-11-29 |
Family
ID=40886205
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP09714205.3A Not-in-force EP2250347B1 (de) | 2008-02-28 | 2009-02-19 | Axialer verdichter mit einer vorrichtung zur umleitung eines leckagestroms |
Country Status (6)
Country | Link |
---|---|
US (1) | US8753070B2 (de) |
EP (1) | EP2250347B1 (de) |
CN (1) | CN101946064B (de) |
CA (1) | CA2716878A1 (de) |
DE (1) | DE102008011746A1 (de) |
WO (1) | WO2009106045A1 (de) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102008011746A1 (de) * | 2008-02-28 | 2009-09-03 | Mtu Aero Engines Gmbh | Vorrichtung und Verfahren zur Umleitung eines Leckagestroms |
US8616838B2 (en) * | 2009-12-31 | 2013-12-31 | General Electric Company | Systems and apparatus relating to compressor operation in turbine engines |
JP5484990B2 (ja) * | 2010-03-30 | 2014-05-07 | 三菱重工業株式会社 | タービン |
US8714908B2 (en) * | 2010-11-05 | 2014-05-06 | General Electric Company | Shroud leakage cover |
US8979481B2 (en) * | 2011-10-26 | 2015-03-17 | General Electric Company | Turbine bucket angel wing features for forward cavity flow control and related method |
FR2991405B1 (fr) * | 2012-05-29 | 2017-02-10 | Snecma | Ensemble d'un compresseur comportant un organe de rupture |
FR2999249B1 (fr) * | 2012-12-07 | 2015-01-09 | Snecma | Compresseur pour turbomachine dote de moyens de refroidissement d'un joint tournant assurant l'etancheite entre un redresseur et un rotor |
EP2759676A1 (de) | 2013-01-28 | 2014-07-30 | Siemens Aktiengesellschaft | Turbinenbaugruppe mit verbesserter Abdichtwirkung einer Dichtungsanordnung |
FR3011751B1 (fr) | 2013-10-11 | 2015-12-25 | Commissariat Energie Atomique | Installation et procede a rendement ameliore de formation d'un film compact de particules a la surface d'un liquide porteur |
FR3015591B1 (fr) * | 2013-12-19 | 2016-01-29 | Snecma | Virole de compresseur comprenant une lechette d'etancheite equipee d'une structure d'entrainement et de deviation d'air de fuite |
WO2016022138A1 (en) * | 2014-08-08 | 2016-02-11 | Siemens Aktiengesellschaft | Compressor usable within a gas turbine engine |
DE102014224283A1 (de) * | 2014-11-27 | 2016-06-02 | Robert Bosch Gmbh | Verdichter mit einem Dichtkanal |
US10385716B2 (en) | 2015-07-02 | 2019-08-20 | Unted Technologies Corporation | Seal for a gas turbine engine |
DE102015224259A1 (de) | 2015-12-04 | 2017-06-08 | MTU Aero Engines AG | Auflauffläche für Leitschaufeldeck- und Laufschaufelgrundplatte |
US10240461B2 (en) | 2016-01-08 | 2019-03-26 | General Electric Company | Stator rim for a turbine engine |
CN107366558B (zh) * | 2017-08-14 | 2020-08-07 | 西北工业大学 | 一种具有静子尾缘开孔抽射的径向轮缘密封结构 |
CN109555564B (zh) * | 2019-01-25 | 2023-08-29 | 沈阳航空航天大学 | 含磁铁可调节刷丝束与转子面径向间隙的刷式密封结构 |
Family Cites Families (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3291447A (en) * | 1965-02-15 | 1966-12-13 | Gen Electric | Steam turbine rotor cooling |
JPS501646B1 (de) * | 1970-07-11 | 1975-01-20 | ||
US4152092A (en) | 1977-03-18 | 1979-05-01 | Swearingen Judson S | Rotary device with bypass system |
JPS5713201A (en) * | 1980-06-30 | 1982-01-23 | Hitachi Ltd | Air cooled gas turbine blade |
GB2165007B (en) * | 1980-11-11 | 1986-08-20 | Rolls Royce | Rotor and stator assembly for a gas turbine engine |
GB2252368B (en) * | 1981-03-20 | 1993-02-17 | Rolls Royce | Liquid cooled aerofoil blade |
GB2110767A (en) | 1981-11-27 | 1983-06-22 | Rolls Royce | A shrouded rotor for a gas turbine engine |
US4465429A (en) * | 1982-02-01 | 1984-08-14 | Westinghouse Electric Corp. | Steam turbine with superheated blade disc cavities |
GB2119027A (en) * | 1982-04-24 | 1983-11-09 | Rolls Royce | Turbine assembly for a gas turbine engine |
JPS60159304A (ja) | 1984-01-27 | 1985-08-20 | Toshiba Corp | 蒸気タ−ビンのデイスク冷却装置 |
US4672727A (en) * | 1985-12-23 | 1987-06-16 | United Technologies Corporation | Method of fabricating film cooling slot in a hollow airfoil |
US5211533A (en) * | 1991-10-30 | 1993-05-18 | General Electric Company | Flow diverter for turbomachinery seals |
US5429478A (en) * | 1994-03-31 | 1995-07-04 | United Technologies Corporation | Airfoil having a seal and an integral heat shield |
GB2298245B (en) | 1995-02-23 | 1998-10-28 | Bmw Rolls Royce Gmbh | A turbine-blade arrangement comprising a cooled shroud band |
KR20020045618A (ko) | 2000-09-20 | 2002-06-19 | 제이 엘. 차스킨, 버나드 스나이더, 아더엠. 킹 | 증기형 가스 터빈 소조립체 및 증기형 가스 터빈의 성능향상 방법 |
CN1186534C (zh) * | 2003-04-01 | 2005-01-26 | 西安交通大学 | 一种新型轴流式流体压缩装置 |
GB0405679D0 (en) * | 2004-03-13 | 2004-04-21 | Rolls Royce Plc | A mounting arrangement for turbine blades |
US20070122280A1 (en) * | 2005-11-30 | 2007-05-31 | General Electric Company | Method and apparatus for reducing axial compressor blade tip flow |
GB2437298B (en) * | 2006-04-18 | 2008-10-01 | Rolls Royce Plc | A Seal Between Rotor Blade Platforms And Stator Vane Platforms, A Rotor Blade And A Stator Vane |
US7597536B1 (en) * | 2006-06-14 | 2009-10-06 | Florida Turbine Technologies, Inc. | Turbine airfoil with de-coupled platform |
US20080145208A1 (en) * | 2006-12-19 | 2008-06-19 | General Electric Company | Bullnose seal turbine stage |
GB0722511D0 (en) * | 2007-11-19 | 2007-12-27 | Rolls Royce Plc | Turbine arrangement |
DE102008011746A1 (de) * | 2008-02-28 | 2009-09-03 | Mtu Aero Engines Gmbh | Vorrichtung und Verfahren zur Umleitung eines Leckagestroms |
DE102008019603A1 (de) * | 2008-04-18 | 2009-10-22 | Rolls-Royce Deutschland Ltd & Co Kg | Strömungsmaschine mit schaufelreiheninterner Fluid-Rückführung |
DE102008029605A1 (de) * | 2008-06-23 | 2009-12-24 | Rolls-Royce Deutschland Ltd & Co Kg | Schaufeldeckband mit Durchlass |
US8038399B1 (en) * | 2008-11-22 | 2011-10-18 | Florida Turbine Technologies, Inc. | Turbine rim cavity sealing |
GB0905548D0 (en) * | 2009-04-01 | 2009-05-13 | Rolls Royce Plc | A rotor arrangement |
-
2008
- 2008-02-28 DE DE102008011746A patent/DE102008011746A1/de not_active Withdrawn
-
2009
- 2009-02-19 WO PCT/DE2009/000229 patent/WO2009106045A1/de active Application Filing
- 2009-02-19 CA CA2716878A patent/CA2716878A1/en not_active Abandoned
- 2009-02-19 EP EP09714205.3A patent/EP2250347B1/de not_active Not-in-force
- 2009-02-19 CN CN200980105071.5A patent/CN101946064B/zh not_active Expired - Fee Related
- 2009-02-19 US US12/920,071 patent/US8753070B2/en not_active Expired - Fee Related
Non-Patent Citations (1)
Title |
---|
See references of WO2009106045A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO2009106045A8 (de) | 2010-12-02 |
CN101946064B (zh) | 2014-10-22 |
EP2250347B1 (de) | 2017-11-29 |
US20110058933A1 (en) | 2011-03-10 |
CN101946064A (zh) | 2011-01-12 |
CA2716878A1 (en) | 2009-09-03 |
DE102008011746A1 (de) | 2009-09-03 |
US8753070B2 (en) | 2014-06-17 |
WO2009106045A1 (de) | 2009-09-03 |
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DAX | Request for extension of the european patent (deleted) | ||
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Owner name: MTU AERO ENGINES AG |
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