JP6039892B2 - 低延性タービンシュラウドを弾力的に実装する装置 - Google Patents
低延性タービンシュラウドを弾力的に実装する装置 Download PDFInfo
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- JP6039892B2 JP6039892B2 JP2011180058A JP2011180058A JP6039892B2 JP 6039892 B2 JP6039892 B2 JP 6039892B2 JP 2011180058 A JP2011180058 A JP 2011180058A JP 2011180058 A JP2011180058 A JP 2011180058A JP 6039892 B2 JP6039892 B2 JP 6039892B2
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- Prior art keywords
- shroud
- annular
- shroud segment
- turbine
- spring member
- 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.)
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- 239000000463 material Substances 0.000 claims description 22
- 239000011153 ceramic matrix composite Substances 0.000 claims description 17
- 230000033001 locomotion Effects 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 4
- 239000007789 gas Substances 0.000 description 17
- 239000002184 metal Substances 0.000 description 13
- 229910052751 metal Inorganic materials 0.000 description 13
- 230000036316 preload Effects 0.000 description 9
- 239000000956 alloy Substances 0.000 description 5
- 229910045601 alloy Inorganic materials 0.000 description 5
- 239000000567 combustion gas Substances 0.000 description 4
- 230000001154 acute effect Effects 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
- 230000003068 static effect 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
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/24—Casings; Casing parts, e.g. diaphragms, casing fastenings
- F01D25/26—Double casings; Measures against temperature strain in casings
-
- 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
-
- 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
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/24—Casings; Casing parts, e.g. diaphragms, casing fastenings
- F01D25/246—Fastening of diaphragms or stator-rings
-
- 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
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/28—Supporting or mounting arrangements, e.g. for turbine casing
-
- 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
- F01D9/04—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Description
Claims (10)
- ガスタービンエンジンのタービンシュラウド装置であって、
各々のシュラウドセグメント(18)が、低延性材料からなり、対向する第1の端面と第2の端面との間に延在する対向する前壁及び後壁と、対向する内壁及び外壁とによって画成される断面形状を有する環状シュラウドを形成するように構成された前記複数の円弧状シュラウドセグメント(18)と、
前記シュラウドセグメント(18)を囲み、前記シュラウドセグメント(18)の第1の方向への軸方向運動を抑止するように、前記シュラウドセグメント(18)に圧接する支承面(52)を含む環状タービンケース(44)と、
前記タービンケース(44)に取付けられ、前記シュラウドセグメント(18)の前記支承面(52)とは軸方向反対側に位置決めされ、径方向外側向きのシールスロットを画成する環状ノズル支持体と、
前記シールスロット内に配置され、前記タービンケース(44)の内表面に接触するように径方向外側に延びているピストンリング(80)と、
前記ノズル支持体と前記シュラウドセグメント(18)との間に配置され、前記シュラウドセグメント(18)を、前記支承面(52)に対して第1の方向に弾力的に押圧するばね部材(86)と
を含むタービンシュラウド装置。 - 前記ばね部材(86)が環状の波形ばねである、請求項1に記載の装置。
- 前記ばね部材(86)が、複数の環状の折り畳み部を含む断面形状を有する環状シールである、請求項1に記載の装置。
- 前記ノズル支持体と前記シュラウドセグメント(18)との間に延びる環状シール部材を更に含む、請求項1又は2に記載の装置。
- 前記ノズル支持体が、前記シュラウドセグメント(18)の至近のボディの一端部に配置された環状後部フランジを含み、該後部フランジが、前記シュラウドセグメント(18)の近傍の1つ以上の環状シールポケットを画成する1つ以上の環状の離間した軸方向に延びるシール歯を含む、請求項1に記載の装置。
- 前記ばね部材(86)が前記シールポケットの1つの内部に配置される、請求項5に記載の装置。
- 前記ばね部材が、弾力的に押圧する機能及びシール機能の両方を有する、請求項3に記載の装置。
- 前記シュラウドセグメントがセラミックマトリクス複合材からなる、請求項1乃至7のいずれか1項に記載の装置。
- ガスタービンエンジンのタービンシュラウド装置であって、
各々のシュラウドセグメント(18)が、低延性材料からなり、対向する第1の端面と第2の端面との間に延在する対向する前壁及び後壁と、対向する内壁及び外壁とによって画成される断面形状を有する環状シュラウドを形成するように構成された前記複数の円弧状シュラウドセグメント(18)と、
前記シュラウドセグメント(18)を軸方向で囲う環状タービンケース(244)と、
前記タービンケース(244)に取付けられ、前記シュラウドセグメント(18)の軸方向で一方の側に位置決めされ、径方向外側向きのシールスロット(78)を画成する環状ノズル支持体(254)と、
前記シールスロット(78)内に配置され、前記タービンケース(44)の内表面に接触するように径方向外側に延びているピストンリング(80)と、
前記ノズル支持体と前記シュラウドセグメント(18)との間に配置された第1のばね部材(286)と、
前記タービンケース(244)に設けられた第2のばね部材(386)と
を含み、
前記第1のばね部材(286)が前記シュラウドセグメント(18)を軸方向の第1の方向に押圧し、前記第2のばね部材(386)が前記シュラウドセグメント(18)を前記第1の方向と反対方向に押圧する
タービンシュラウド装置。
- 前記環状ノズル支持体(254)と前記シュラウドセグメント(18)との間に設けられた環状の折り畳み部を含む断面形状を有する環状シールをさらに有する請求項9に記載のタービンシュラウド装置。
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US12/915,424 US8998573B2 (en) | 2010-10-29 | 2010-10-29 | Resilient mounting apparatus for low-ductility turbine shroud |
| US12/915,424 | 2010-10-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2012097732A JP2012097732A (ja) | 2012-05-24 |
| JP6039892B2 true JP6039892B2 (ja) | 2016-12-07 |
Family
ID=44764343
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2011180058A Active JP6039892B2 (ja) | 2010-10-29 | 2011-08-22 | 低延性タービンシュラウドを弾力的に実装する装置 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US8998573B2 (ja) |
| JP (1) | JP6039892B2 (ja) |
| CA (1) | CA2749494C (ja) |
| DE (1) | DE102011052677B4 (ja) |
| GB (1) | GB2485016B (ja) |
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| US8834105B2 (en) * | 2010-12-30 | 2014-09-16 | General Electric Company | Structural low-ductility turbine shroud apparatus |
| US8876458B2 (en) * | 2011-01-25 | 2014-11-04 | United Technologies Corporation | Blade outer air seal assembly and support |
| US20130004306A1 (en) * | 2011-06-30 | 2013-01-03 | General Electric Company | Chordal mounting arrangement for low-ductility turbine shroud |
| US20130113168A1 (en) * | 2011-11-04 | 2013-05-09 | Paul M. Lutjen | Metal gasket for a gas turbine engine |
| US9175579B2 (en) * | 2011-12-15 | 2015-11-03 | General Electric Company | Low-ductility turbine shroud |
| US9726043B2 (en) * | 2011-12-15 | 2017-08-08 | General Electric Company | Mounting apparatus for low-ductility turbine shroud |
-
2010
- 2010-10-29 US US12/915,424 patent/US8998573B2/en active Active
-
2011
- 2011-08-11 GB GB1113829.4A patent/GB2485016B/en active Active
- 2011-08-12 DE DE102011052677.3A patent/DE102011052677B4/de active Active
- 2011-08-18 CA CA2749494A patent/CA2749494C/en active Active
- 2011-08-22 JP JP2011180058A patent/JP6039892B2/ja active Active
Also Published As
| Publication number | Publication date |
|---|---|
| JP2012097732A (ja) | 2012-05-24 |
| GB2485016A (en) | 2012-05-02 |
| DE102011052677A1 (de) | 2012-05-03 |
| US8998573B2 (en) | 2015-04-07 |
| CA2749494C (en) | 2018-08-14 |
| CA2749494A1 (en) | 2012-04-29 |
| US20120107122A1 (en) | 2012-05-03 |
| GB201113829D0 (en) | 2011-09-28 |
| GB2485016B (en) | 2016-11-02 |
| DE102011052677B4 (de) | 2023-10-12 |
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