JP4446710B2 - 平面状セグメント表面における円周方向シールを備えるシュラウドセグメント及び組立体 - Google Patents
平面状セグメント表面における円周方向シールを備えるシュラウドセグメント及び組立体 Download PDFInfo
- Publication number
- JP4446710B2 JP4446710B2 JP2003358810A JP2003358810A JP4446710B2 JP 4446710 B2 JP4446710 B2 JP 4446710B2 JP 2003358810 A JP2003358810 A JP 2003358810A JP 2003358810 A JP2003358810 A JP 2003358810A JP 4446710 B2 JP4446710 B2 JP 4446710B2
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- JP
- Japan
- Prior art keywords
- shroud
- segment
- shroud segment
- recess
- planar
- 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.)
- Expired - Lifetime
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- 239000012530 fluid Substances 0.000 claims description 32
- 239000000463 material Substances 0.000 claims description 28
- 238000007789 sealing Methods 0.000 claims description 24
- 239000011153 ceramic matrix composite Substances 0.000 claims description 11
- 238000000926 separation method Methods 0.000 claims description 11
- 239000000919 ceramic Substances 0.000 claims description 9
- 230000007704 transition Effects 0.000 claims description 4
- 230000000717 retained effect Effects 0.000 claims description 2
- 239000002184 metal Substances 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- 239000007769 metal material Substances 0.000 description 3
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 3
- 239000000956 alloy Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 229910010293 ceramic material Inorganic materials 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000001627 detrimental effect Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 229910010271 silicon carbide Inorganic materials 0.000 description 2
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 description 1
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 150000002843 nonmetals Chemical class 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
Images
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
- F01D9/00—Stators
- F01D9/02—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Description
12、14 シュラウドセグメント
16 円周方向矢印
18 軸方向矢印
20 半径方向矢印
22 シュラウド本体
24 本体の半径方向外側表面
26 本体の半径方向内側表面
28 回転ブレード
30 軸方向前部外側表面端縁部
32 軸方向後部外側表面端縁部
34 円周方向の端縁部
36、38 陥凹部
40 平面状シール面
42 円弧状移行部
Claims (10)
- 円周方向円弧を形成する、円周方向(16)に円弧状の半径方向内側表面(26)と、第1の軸方向前部外側表面端縁部(30)と該第1の軸方向前部外側表面端縁部(30)から軸方向に間隔を置いて配置された第2の軸方向後部外側表面端縁部(32)との間で延びる半径方向外側表面(24)とを備えるシュラウド本体(22)を含むタービンエンジンのシュラウドセグメント(14)であって、前記軸方向に間隔を置いて配置された外側表面端縁部(30/32)の少なくとも1つが、
該外側表面端縁部(30/32)にわたって円周方向に延びかつ平面状シール面(40)を含む表面陥凹部(36/38)を含み、
前記平面状シール面(40)が、前記シュラウド本体の半径方向内側表面(26)により形成された前記円周方向円弧(26)の、該円周方向円弧(26)から半径方向(20)外側に間隔を置いて配置された弦(40)を形成し、
前記平面状シール面(40)が、円弧状移行面(42)により前記シュラウド本体の半径方向外側表面(24)と結合されている、
ことを特徴とするシュラウドセグメント(14)。 - 前記表面陥凹部(38)が、前記第2の軸方向後部外側表面端縁部(32)にわたって延びていることを特徴とする、請求項1に記載のシュラウドセグメント(14)。
- 前記表面陥凹部(36)が、前記第1の軸方向前部外側表面端縁部(30)にわたって延びていることを特徴とする、請求項1に記載のシュラウドセグメント(14)。
- 前記表面陥凹部(36、38)が、前記第1(30)及び第2(32)の外側表面端縁部の各々にわたって延びていることを特徴とする、請求項1に記載のシュラウドセグメント(14)。
- 該シュラウドセグメント(14)が、室温で測定して1%より大きくない引張り延性を有するセラミックマトリクス複合材料で作られていることを特徴とする、請求項1に記載のシュラウドセグメント(14)。
- 該シュラウドセグメント(14)が、室温で測定して1%より大きくない引張り延性を有するモノリシックセラミックで作られていることを特徴とする、請求項1に記載のシュラウドセグメント(14)。
- 複数の円周方向に配置されたシュラウドセグメント(12、14)を含むタービンエンジンのシュラウド組立体(10)であって、
前記シュラウドセグメント(12、14)は、該シュラウドセグメント(14)の前記第1(30)及び第2(32)の軸方向に間隔を置いて配置されたシュラウド本体の外側表面端縁部の少なくとも1つが軸方向に並置された隣接するエンジン部材(48)の表面から該表面との間の円周方向分離部分(46)によって軸方向(18)に分離された状態で、請求項1に記載の該シュラウドセグメント(14)を含み、
前記表面陥凹部(36/38)内に保持され、前記分離部分(46)に沿って円周方向(16)に延びかつ該分離部分(46)を跨いだ流体シール部材(44)が設けられ、
前記流体シール部材(44)が、前記分離部分(46)に沿って前記シュラウドセグメント(14)の前記表面陥凹部(30/32)の前記平面状シール面(40)と接触しかつ該平面状シール面(40)と形状が一致するように並置された状態の流体シール部材表面(50)を含む、
ことを特徴とするシュラウド組立体(10)。 - 前記複数のシュラウドセグメント(12、14)が、円周方向(16)に組み立てられた該シュラウドセグメント(12、14)を備える第1の数であり、前記シュラウド本体の円弧状の半径方向内側表面(26)が、円周方向(16)に円形を形成し、
前記組み立てられたシュラウドセグメント(12、14)の前記平面状シール面(40)が、前記シュラウド本体の円弧状の半径方向内側表面(26)から半径方向(20)外側で軸方向(18)に間隔を置いて配置されて、前記円形の周りで半径方向(20)外側にかつ該円形から半径方向(20)外側に間隔を置いて、前記第1の数に等しい第2の数の側辺を有する多角形を形成し、
前記流体シール部材(44)は、該流体シール部材(44)のそれぞれの流体シール部材表面(50)と前記表面陥凹部(36/38)のそれぞれのシール面(40)とが並置された状態で、各セグメントの陥凹部のシール面(40)に保持されている、
ことを特徴とする、請求項7に記載のシュラウド組立体(10)。 - 前記シュラウドセグメント(12、14)が、室温で測定して1%より大きくない引張り延性を有するセラミックマトリクス複合材料で作られていることを特徴とする、請求項7に記載のシュラウド組立体(10)。
- 前記シュラウドセグメント(12、14)が、室温で測定して1%より大きくない引張り延性を有するモノリシックセラミックで作られていることを特徴とする、請求項7に記載のシュラウド組立体(10)。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/325,760 US6808363B2 (en) | 2002-12-20 | 2002-12-20 | Shroud segment and assembly with circumferential seal at a planar segment surface |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2004204840A JP2004204840A (ja) | 2004-07-22 |
JP4446710B2 true JP4446710B2 (ja) | 2010-04-07 |
Family
ID=32393106
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003358810A Expired - Lifetime JP4446710B2 (ja) | 2002-12-20 | 2003-10-20 | 平面状セグメント表面における円周方向シールを備えるシュラウドセグメント及び組立体 |
Country Status (3)
Country | Link |
---|---|
US (1) | US6808363B2 (ja) |
EP (1) | EP1431515A3 (ja) |
JP (1) | JP4446710B2 (ja) |
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WO2011047693A1 (en) * | 2009-10-19 | 2011-04-28 | Siemens Aktiengesellschaft | Nozzle guide vane arrangement and turbine engine |
US8790067B2 (en) | 2011-04-27 | 2014-07-29 | United Technologies Corporation | Blade clearance control using high-CTE and low-CTE ring members |
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US8739547B2 (en) | 2011-06-23 | 2014-06-03 | United Technologies Corporation | Gas turbine engine joint having a metallic member, a CMC member, and a ceramic key |
US9335051B2 (en) | 2011-07-13 | 2016-05-10 | United Technologies Corporation | Ceramic matrix composite combustor vane ring assembly |
US8920127B2 (en) | 2011-07-18 | 2014-12-30 | United Technologies Corporation | Turbine rotor non-metallic blade attachment |
US9726043B2 (en) | 2011-12-15 | 2017-08-08 | General Electric Company | Mounting apparatus for low-ductility turbine shroud |
US9528376B2 (en) * | 2012-09-13 | 2016-12-27 | General Electric Company | Compressor fairing segment |
US9488110B2 (en) | 2013-03-08 | 2016-11-08 | General Electric Company | Device and method for preventing leakage of air between multiple turbine components |
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CN106460560B (zh) | 2014-06-12 | 2018-11-13 | 通用电气公司 | 护罩吊架组件 |
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-
2003
- 2003-10-17 EP EP03256566A patent/EP1431515A3/en not_active Withdrawn
- 2003-10-20 JP JP2003358810A patent/JP4446710B2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP1431515A2 (en) | 2004-06-23 |
EP1431515A3 (en) | 2006-08-23 |
US6808363B2 (en) | 2004-10-26 |
JP2004204840A (ja) | 2004-07-22 |
US20040120806A1 (en) | 2004-06-24 |
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