JPH09512607A - ブラシシール及びベーンアッセンブリ空隙カバーの支持体 - Google Patents
ブラシシール及びベーンアッセンブリ空隙カバーの支持体Info
- Publication number
- JPH09512607A JPH09512607A JP7528243A JP52824395A JPH09512607A JP H09512607 A JPH09512607 A JP H09512607A JP 7528243 A JP7528243 A JP 7528243A JP 52824395 A JP52824395 A JP 52824395A JP H09512607 A JPH09512607 A JP H09512607A
- Authority
- JP
- Japan
- Prior art keywords
- seal support
- support
- seal
- cavity
- assembly
- 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
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
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/02—Blade-carrying members, e.g. rotors
- F01D5/08—Heating, heat-insulating or cooling means
- F01D5/081—Cooling fluid being directed on the side of the rotor disc or at the roots of the blades
- F01D5/082—Cooling fluid being directed on the side of the rotor disc or at the roots of the blades on the side of the rotor disc
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
- F16J15/3284—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings characterised by their structure; Selection of materials
- F16J15/3288—Filamentary structures, e.g. brush 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
- F05D2220/00—Application
- F05D2220/30—Application in turbines
- F05D2220/32—Application in turbines in gas turbines
-
- 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
- F05D2240/56—Brush seals
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1. ガスタービンエンジンのタービン領域のためのシール支持体であって、前 記ガスタービンエンジンは、長手方向軸を中心として配設されて、ベーンアッセ ンブリを備えたタービンノズルアッセンブリを有し、そのタービン領域は、前記 ベーンアッセンブリの軸方向下流側に配設されたロータアッセンブリを有してい るとともに、このベーンアセンブリは、固定具によって前記タービンノズルアッ センブリに取り付けられたベーンを有しており、かつ、前記ベーンアッセンブリ と前記ロータアッセンブリの軸方向の離間によってキャビティが画成され、この キャビティは、流体が周方向に流れる環状体の流路面を画成しているとともに、 その一部が、シール支持体によって支持されたブラシシールでシールされている ものであって、該シール支持体は、 取り付けた状態で前記ベーンアッセンブリ部分に被さるようにして延び、かつ 前記キャビティ内の空隙損失を最低としているとともに、前記ベーンにブラシシ ール支持部を取り付けるべく前記ベーンに連結する手段を有したカバープレート 部分と、 前記ガスタービンエンジンの運転中には、取り付けた状態で前記ブラシシール の軸方向支持体となる、前記カバープレートから延びた支持アームと、を有する ことを特徴とするガスタービンエンジンのタービン領域のためのシール支持体。 2. 前記支持アームは、前記ブラシシール支持部を通して前記キャ ビティに流体を流して、上記キャビティをパージすることができるようになった 開口を有していることを特徴とする請求項1に記載のシール支持体。 3. 前記シール支持体は、さらに扇形コーナを有し、前記ベーンアッセンブリ もまた、周方向に互いに隣接した複数のブラシシール支持部を有し、かつ、前記 扇形コーナは、隣接したブラシシール支持部の扇形コーナとともに開口を画成し ていることを特徴とする請求項2に記載のシール支持体。 4. 前記ブラシシール支持部は、取り付けた状態で反発されているとともに、 前記シール支持体と前記タービンノズルアッセンブリの間が互いに嵌入されてい て、前記シール支持体を緩衝するようになっていることを特徴とする請求項1に 記載のシール支持体。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/235,824 US5522698A (en) | 1994-04-29 | 1994-04-29 | Brush seal support and vane assembly windage cover |
US08/235,824 | 1994-04-29 | ||
PCT/US1995/004359 WO1995030071A1 (en) | 1994-04-29 | 1995-04-07 | Brush seal support and vane assembly windage cover |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH09512607A true JPH09512607A (ja) | 1997-12-16 |
JP3683272B2 JP3683272B2 (ja) | 2005-08-17 |
Family
ID=22887057
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP52824395A Expired - Lifetime JP3683272B2 (ja) | 1994-04-29 | 1995-04-07 | ブラシシール及びベーンアッセンブリ空隙カバーの支持体 |
Country Status (5)
Country | Link |
---|---|
US (1) | US5522698A (ja) |
EP (1) | EP0757750B1 (ja) |
JP (1) | JP3683272B2 (ja) |
DE (1) | DE69504053T2 (ja) |
WO (1) | WO1995030071A1 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8079803B2 (en) | 2008-06-30 | 2011-12-20 | Mitsubishi Heavy Industries, Ltd. | Gas turbine and cooling air supply structure thereof |
US8517666B2 (en) | 2005-09-12 | 2013-08-27 | United Technologies Corporation | Turbine cooling air sealing |
JP2014141910A (ja) * | 2013-01-23 | 2014-08-07 | Hitachi Ltd | ガスタービン |
Families Citing this family (38)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5707064A (en) * | 1993-01-08 | 1998-01-13 | The Texas A&M University System | Modulated pressure damper seal |
US5630590A (en) * | 1996-03-26 | 1997-05-20 | United Technologies Corporation | Method and apparatus for improving the airsealing effectiveness in a turbine engine |
US5961279A (en) * | 1996-05-31 | 1999-10-05 | Atlantic Richfield Company | Turbine power plant having minimal-contact brush seal augmented labyrinth seal |
US5755445A (en) * | 1996-08-23 | 1998-05-26 | Alliedsignal Inc. | Noncontacting finger seal with hydrodynamic foot portion |
JPH10259703A (ja) * | 1997-03-18 | 1998-09-29 | Mitsubishi Heavy Ind Ltd | ガスタービンのシュラウド及びプラットフォームシールシステム |
DE19712088C2 (de) * | 1997-03-22 | 1999-06-24 | Mtu Muenchen Gmbh | Bürstendichtung mit in Umfangsrichtung schräg gestellten Borsten |
US6206642B1 (en) * | 1998-12-17 | 2001-03-27 | United Technologies Corporation | Compressor blade for a gas turbine engine |
US6226975B1 (en) | 1999-09-14 | 2001-05-08 | Steven G. Ingistov | Turbine power plant having a floating brush seal |
DE19962244A1 (de) * | 1999-12-22 | 2001-06-28 | Rolls Royce Deutschland | Kühlluft-Führungssystem im Hochdruck-Turbinenabschnitt eines Gasturbinen Triebwerkes |
US6471472B1 (en) | 2000-05-03 | 2002-10-29 | Siemens Canada Limited | Turbomachine shroud fibrous tip seal |
US6761034B2 (en) * | 2000-12-08 | 2004-07-13 | General Electroc Company | Structural cover for gas turbine engine bolted flanges |
US6517314B1 (en) * | 2001-11-05 | 2003-02-11 | General Electric Company | Method and apparatus for eliminating thermal bowing and axial thrust loads of steam turbine rotors |
US6644668B1 (en) | 2002-06-13 | 2003-11-11 | General Electric Company | Brush seal support |
JP4016845B2 (ja) | 2003-02-05 | 2007-12-05 | 株式会社Ihi | ガスタービンエンジン |
GB0424883D0 (en) * | 2004-11-11 | 2004-12-15 | Rolls Royce Plc | Seal structure |
US20060275108A1 (en) * | 2005-06-07 | 2006-12-07 | Memmen Robert L | Hammerhead fluid seal |
US20060275107A1 (en) * | 2005-06-07 | 2006-12-07 | Ioannis Alvanos | Combined blade attachment and disk lug fluid seal |
US20060275106A1 (en) * | 2005-06-07 | 2006-12-07 | Ioannis Alvanos | Blade neck fluid seal |
US7445424B1 (en) | 2006-04-22 | 2008-11-04 | Florida Turbine Technologies, Inc. | Passive thermostatic bypass flow control for a brush seal application |
US20080044284A1 (en) * | 2006-08-16 | 2008-02-21 | United Technologies Corporation | Segmented fluid seal assembly |
US20080061515A1 (en) * | 2006-09-08 | 2008-03-13 | Eric Durocher | Rim seal for a gas turbine engine |
US20080095616A1 (en) * | 2006-10-20 | 2008-04-24 | Ioannis Alvanos | Fluid brush seal with segment seal land |
US7578653B2 (en) * | 2006-12-19 | 2009-08-25 | General Electric Company | Ovate band turbine stage |
US20080145208A1 (en) * | 2006-12-19 | 2008-06-19 | General Electric Company | Bullnose seal turbine stage |
US8562285B2 (en) * | 2007-07-02 | 2013-10-22 | United Technologies Corporation | Angled on-board injector |
US8794640B2 (en) * | 2010-03-25 | 2014-08-05 | United Technologies Corporation | Turbine sealing system |
US8690527B2 (en) | 2010-06-30 | 2014-04-08 | Honeywell International Inc. | Flow discouraging systems and gas turbine engines |
US9169849B2 (en) | 2012-05-08 | 2015-10-27 | United Technologies Corporation | Gas turbine engine compressor stator seal |
US9291071B2 (en) | 2012-12-03 | 2016-03-22 | United Technologies Corporation | Turbine nozzle baffle |
WO2014105496A1 (en) * | 2012-12-29 | 2014-07-03 | United Technologies Corporation | Flow diverter element and assembly |
EP2762684B1 (de) * | 2013-01-30 | 2021-03-03 | MTU Aero Engines AG | Dichtungsträger aus titanaluminid für eine strömungsmaschine |
EP3055512B1 (en) * | 2013-10-11 | 2019-07-31 | United Technologies Corporation | Non-linearly deflecting brush seal land |
US9677423B2 (en) * | 2014-06-20 | 2017-06-13 | Solar Turbines Incorporated | Compressor aft hub sealing system |
US10094229B2 (en) | 2014-07-28 | 2018-10-09 | United Technologies Corporation | Cooling system of a stator assembly for a gas turbine engine having a variable cooling flow mechanism and method of operation |
EP3173670B1 (de) * | 2015-11-24 | 2020-07-29 | MTU Aero Engines GmbH | Bürstendichtungsanordnung für eine strömungsmaschine, einbausicherungsanordnung und strömungsmaschine |
US10633992B2 (en) | 2017-03-08 | 2020-04-28 | Pratt & Whitney Canada Corp. | Rim seal |
US11021962B2 (en) * | 2018-08-22 | 2021-06-01 | Raytheon Technologies Corporation | Turbulent air reducer for a gas turbine engine |
IT202100009716A1 (it) | 2021-04-16 | 2022-10-16 | Ge Avio Srl | Copertura di un dispositivo di fissaggio per una giunzione flangiata |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US885032A (en) * | 1907-06-24 | 1908-04-21 | Sebastian Ziani De Ferranti | Fluid packing. |
US4218189A (en) * | 1977-08-09 | 1980-08-19 | Rolls-Royce Limited | Sealing means for bladed rotor for a gas turbine engine |
US4411594A (en) * | 1979-06-30 | 1983-10-25 | Rolls-Royce Limited | Support member and a component supported thereby |
GB2070700B (en) * | 1980-03-01 | 1983-10-05 | Rolls Royce | Gas turbine seals |
GB2250790B (en) * | 1990-12-12 | 1994-04-27 | Rolls Royce Plc | Brush seal |
GB2258277B (en) * | 1991-07-29 | 1995-02-22 | Europ Gas Turbines Ltd | Brush seals |
US5114159A (en) * | 1991-08-05 | 1992-05-19 | United Technologies Corporation | Brush seal and damper |
US5181728A (en) * | 1991-09-23 | 1993-01-26 | General Electric Company | Trenched brush seal |
FR2691749B1 (fr) * | 1992-05-27 | 1994-07-22 | Snecma | Dispositif d'etancheite entre des etages d'aubes et un tambour tournant notamment pour eviter les fuites autour des etages d'aubes de redresseur . |
US5217348A (en) * | 1992-09-24 | 1993-06-08 | United Technologies Corporation | Turbine vane assembly with integrally cast cooling fluid nozzle |
-
1994
- 1994-04-29 US US08/235,824 patent/US5522698A/en not_active Expired - Lifetime
-
1995
- 1995-04-07 DE DE69504053T patent/DE69504053T2/de not_active Expired - Lifetime
- 1995-04-07 EP EP95916262A patent/EP0757750B1/en not_active Expired - Lifetime
- 1995-04-07 JP JP52824395A patent/JP3683272B2/ja not_active Expired - Lifetime
- 1995-04-07 WO PCT/US1995/004359 patent/WO1995030071A1/en active IP Right Grant
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8517666B2 (en) | 2005-09-12 | 2013-08-27 | United Technologies Corporation | Turbine cooling air sealing |
US8079803B2 (en) | 2008-06-30 | 2011-12-20 | Mitsubishi Heavy Industries, Ltd. | Gas turbine and cooling air supply structure thereof |
JP2014141910A (ja) * | 2013-01-23 | 2014-08-07 | Hitachi Ltd | ガスタービン |
US9617867B2 (en) | 2013-01-23 | 2017-04-11 | Mitsubishi Hitachi Power Systems, Ltd. | Gas turbine |
Also Published As
Publication number | Publication date |
---|---|
EP0757750A1 (en) | 1997-02-12 |
US5522698A (en) | 1996-06-04 |
EP0757750B1 (en) | 1998-08-12 |
DE69504053T2 (de) | 1999-04-15 |
DE69504053D1 (de) | 1998-09-17 |
WO1995030071A1 (en) | 1995-11-09 |
JP3683272B2 (ja) | 2005-08-17 |
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