JP5484474B2 - タービンエンジンにおける燃焼室とタービンディストリビュータとの間のシーリング - Google Patents
タービンエンジンにおける燃焼室とタービンディストリビュータとの間のシーリング Download PDFInfo
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- JP5484474B2 JP5484474B2 JP2011531529A JP2011531529A JP5484474B2 JP 5484474 B2 JP5484474 B2 JP 5484474B2 JP 2011531529 A JP2011531529 A JP 2011531529A JP 2011531529 A JP2011531529 A JP 2011531529A JP 5484474 B2 JP5484474 B2 JP 5484474B2
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- gasket
- nozzle
- combustion chamber
- lip
- annular
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- 238000002485 combustion reaction Methods 0.000 title claims description 93
- 238000007789 sealing Methods 0.000 title claims description 42
- 238000011144 upstream manufacturing Methods 0.000 claims description 46
- 238000009423 ventilation Methods 0.000 claims description 3
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 claims 1
- 239000007789 gas Substances 0.000 description 5
- 238000001816 cooling Methods 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
Images
Classifications
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- 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
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- 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
- F01D9/02—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles
- F01D9/023—Transition ducts between combustor cans and first stage of the turbine in gas-turbine engines; their cooling or sealings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
- F02C7/28—Arrangement of seals
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- 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
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
- F16J15/08—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with exclusively metal packing
- F16J15/0887—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with exclusively metal packing the sealing effect being obtained by elastic deformation of the packing
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- 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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Gasket Seals (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Description
Claims (16)
- 環状の燃焼室(10)と、
端と端とを向い合せて周方向に配置された複数のノズルセクタを備え、燃焼室の出口に設けられた、セクタ化されたタービンノズル(12)と、
燃焼室とセクタ化されたタービンノズルとの間へ軸方向に挿入されるシーリング手段とを有するターボ機械であって、
シーリング手段が、軸方向に弾性である環状のガスケット(70、70’)を備え、ガスケットは、燃焼室の下流端を軸方向に支えるための第1の軸方向の支持手段(78)と、複数のセクタにセクタ化され、隣接するセクタが構造的に互いに分離している下流側の環状リップ(74)とを含み、
下流側のリップの各セクタ(80)が、セクタ化されたタービンノズルのノズルセクタと位置合わせされており、セクタ化されたタービンノズルのノズルセクタの上流端を軸方向に支えるための第2の軸方向の支持手段(82)を含むことを特徴とする、ターボ機械。 - ガスケット(70、70’)が、燃焼室(10)とセクタ化されたタービンノズル(12)との間に軸方向の冷間プレストレスによって取り付けられることを特徴とする、請求項1に記載のターボ機械。
- 燃焼室を支えるための第1の軸方向の支持手段(78)がガスケットの上流側の環状リップ(72)を含むことを特徴とする、請求項1または2に記載のターボ機械。
- ガスケット(70、70’)のリップの第1および第2の軸方向の支持手段(78、82)が各々丸みのある凸形状の環状支持面を備えることを特徴とする、請求項3に記載のターボ機械。
- ガスケット(70、70’)のリップの第1および第2の軸方向の支持手段(78、82)が前記リップの自由端部分に形成されることを特徴とする、請求項3または4に記載のターボ機械。
- ガスケット(100)のリップ(102、102)が波形部分(106)によって互いに接続されることを特徴とする、請求項3から5のいずれか一項に記載のターボ機械。
- ガスケット(70、70’)の下流側のリップ(74)がノズルセクタの数に等しい、またはこれより多い数のセクタ(80)を含むことを特徴とする、請求項1から6のいずれか一項に記載のターボ機械。
- 下流側のリップ(74)のセクタ(80)が、前記リップ内の較正されたスルースロット(76)によって構造的に互いに分離されていることを特徴とする、請求項1から7のいずれか一項に記載のターボ機械。
- ガスケット(70、70’)が単一部分を備えることを特徴とする、請求項1から8のいずれか一項に記載のターボ機械。
- ガスケット(70、70’、100)がV、W、WV、WW字形またはΩ形である断面を呈することを特徴とする、請求項1から9のいずれか一項に記載のターボ機械。
- ガスケット(70、70’)が、ガスケットをセンタリングするために、燃焼室(10)および/またはノズル(12)を支えるための半径方向の支持手段(75)を含むことを特徴とする、請求項1から10のいずれか一項に記載のターボ機械。
- ガスケット(70、70’)が通気空気を通すための較正オリフィス(88)を含み、該較正オリフィスが、ガスケットの下流側のリップ(74)の1つまたは上流側および下流側のリップの両方を貫通して形成されていることを特徴とする、請求項1から11のいずれか一項に記載のターボ機械。
- 燃焼室(10)の下流端およびノズル(12)の上流端の少なくとも一方が、ガスケット(70、70’)が収容される環状のエンクロージャ(84、84’)への空気の供給および該エンクロージャからの空気の吐き出しの少なくとも一方のための通気用オリフィス(94、96、98)を含むことを特徴とする、請求項1から12のいずれか一項に記載のターボ機械。
- 下流側の環状リップのセクタの数が、ノズルセクタの数に等しく、ノズルセクタの角度範囲に略等しい、ガスケットの軸を中心とした角度範囲を呈する、請求項1に記載のターボ機械。
- 請求項1から14のいずれか一項に記載のターボ機械のための軸方向に弾性的な環状のシーリングガスケット(70、70’)であって、単一パーツとして製造されかつ2つの環状リップ(72、74)を含み、これらの一方が、互いに独立して自由に移動するように構成されたリップセクタ(80)を間に画定する複数の半径方向のスルースロット(76)を含むことを特徴とする、環状のシーリングガスケット(70、70’)。
- V、W、WV、WW字形またはΩ形である断面を呈することを特徴とする、請求項15に記載のガスケット。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0805700A FR2937098B1 (fr) | 2008-10-15 | 2008-10-15 | Etancheite entre une chambre de combustion et un distributeur de turbine dans une turbomachine |
FR08/05700 | 2008-10-15 | ||
PCT/FR2009/001183 WO2010043778A1 (fr) | 2008-10-15 | 2009-10-05 | Etanchéité entre une chambre de combustion et un distributeur de turbine dans une turbomachine |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2012505991A JP2012505991A (ja) | 2012-03-08 |
JP5484474B2 true JP5484474B2 (ja) | 2014-05-07 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2011531529A Active JP5484474B2 (ja) | 2008-10-15 | 2009-10-05 | タービンエンジンにおける燃焼室とタービンディストリビュータとの間のシーリング |
Country Status (9)
Country | Link |
---|---|
US (1) | US8661828B2 (ja) |
EP (1) | EP2334909B1 (ja) |
JP (1) | JP5484474B2 (ja) |
CN (1) | CN102177311B (ja) |
BR (1) | BRPI0920178B1 (ja) |
CA (1) | CA2739208C (ja) |
FR (1) | FR2937098B1 (ja) |
RU (1) | RU2503821C2 (ja) |
WO (1) | WO2010043778A1 (ja) |
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2008
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2009
- 2009-10-05 CA CA2739208A patent/CA2739208C/fr active Active
- 2009-10-05 CN CN200980139921.3A patent/CN102177311B/zh active Active
- 2009-10-05 JP JP2011531529A patent/JP5484474B2/ja active Active
- 2009-10-05 WO PCT/FR2009/001183 patent/WO2010043778A1/fr active Application Filing
- 2009-10-05 US US13/121,902 patent/US8661828B2/en active Active
- 2009-10-05 BR BRPI0920178 patent/BRPI0920178B1/pt active IP Right Grant
- 2009-10-05 RU RU2011119500/06A patent/RU2503821C2/ru active
- 2009-10-05 EP EP09752199A patent/EP2334909B1/fr active Active
Also Published As
Publication number | Publication date |
---|---|
CN102177311B (zh) | 2014-09-17 |
CA2739208A1 (fr) | 2011-03-31 |
US20110179798A1 (en) | 2011-07-28 |
BRPI0920178B1 (pt) | 2019-11-26 |
RU2011119500A (ru) | 2012-11-27 |
US8661828B2 (en) | 2014-03-04 |
BRPI0920178A2 (pt) | 2016-01-05 |
FR2937098A1 (fr) | 2010-04-16 |
JP2012505991A (ja) | 2012-03-08 |
CN102177311A (zh) | 2011-09-07 |
WO2010043778A1 (fr) | 2010-04-22 |
EP2334909A1 (fr) | 2011-06-22 |
CA2739208C (fr) | 2016-11-01 |
EP2334909B1 (fr) | 2012-12-05 |
RU2503821C2 (ru) | 2014-01-10 |
FR2937098B1 (fr) | 2015-11-20 |
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