JP6461474B2 - ターボ機械用冷却構造 - Google Patents
ターボ機械用冷却構造 Download PDFInfo
- Publication number
- JP6461474B2 JP6461474B2 JP2014015091A JP2014015091A JP6461474B2 JP 6461474 B2 JP6461474 B2 JP 6461474B2 JP 2014015091 A JP2014015091 A JP 2014015091A JP 2014015091 A JP2014015091 A JP 2014015091A JP 6461474 B2 JP6461474 B2 JP 6461474B2
- Authority
- JP
- Japan
- Prior art keywords
- cooling structure
- turbomachine
- seal slot
- seal
- cooling
- 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.)
- Active
Links
- 238000001816 cooling Methods 0.000 title claims description 105
- 239000012809 cooling fluid Substances 0.000 claims description 27
- 239000007789 gas Substances 0.000 description 53
- 239000006260 foam Substances 0.000 description 10
- 239000012530 fluid Substances 0.000 description 8
- 238000005219 brazing Methods 0.000 description 5
- 238000002485 combustion reaction Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000003466 welding Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 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
- F01D25/08—Cooling; Heating; Heat-insulation
- F01D25/12—Cooling
-
- 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
- F01D11/08—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator
- F01D11/14—Adjusting or regulating tip-clearance, i.e. distance between rotor-blade tips and stator casing
- F01D11/20—Actively adjusting tip-clearance
- F01D11/24—Actively adjusting tip-clearance by selectively cooling-heating stator or rotor components
-
- 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
- F05D2240/10—Stators
- F05D2240/11—Shroud seal segments
-
- 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
-
- 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
- F05D2260/00—Function
- F05D2260/20—Heat transfer, e.g. cooling
- F05D2260/221—Improvement of heat transfer
- F05D2260/2214—Improvement of heat transfer by increasing the heat transfer surface
- F05D2260/22141—Improvement of heat transfer by increasing the heat transfer surface using fins or ribs
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Description
図5で示すように、冷却構造118の通路136は、本体132の第1の表面138上の溝142を含んでもよい。より具体的には、図5に示されるように、冷却構造118の通路136は、本体132の幅(W)に実質的に沿って第1の表面138上に延びてもよい溝142を含んでもよい。溝142は、それに限定されないがエッチング、ミリング、切削、研削などを含む従来のいずれかの技術によって本体132の第1の表面138上に形成されてもよい。代替実施形態では、溝142は、それに限定されないが鋳込み、化学蒸着、直接金属焼結、又はスパッタリングを含む従来のいずれかの材料蒸着技術を含む従来の材料により、本体132の第1の表面138に材料を追加することによって形成されてもよい。
102 圧縮機
104 燃焼器
106 ガスタービンコンポーネント
108 バイアシャフト
110 発電機
112 バケット
114 タービンシュラウド
116 ハウジング
118 冷却構造
120 第1のコンポーネント
122 第2のコンポーネント
124 底面
126 シールスロット
128 シール
130 前面
132 本体
134 表面
136 通路
138 第1の表面
140 第2の表面
142 溝
144 ピン
146 開口
148 上面
150 隆起部材
152 頂点
154 多孔質発泡体
156 開口
158 結合面
160 ブレード
218 冷却構造
236 通路
238 第1の表面
240 第2の表面
Claims (4)
- ターボ機械であって、
ロータシャフトに結合された複数のバケットと、
前記複数のバケットの先端の近傍に前記複数のバケットの先端から離れて位置するタービンシュラウドと、を備え、該タービンシュラウドが、
シールスロットと、
該シールスロット内に位置する冷却構造であって、該冷却構造が前記シールスロットの表面に結合された本体を有する、前記冷却構造と、
を含み、
前記本体がその第1の表面上に、冷却流体を前記シールスロットに供給するための通路を含み、
前記冷却構造の前記通路が、前記本体の前記第1の表面に溝を備え、
前記冷却構造が、完全に前記タービンシュラウド内に配置され、
前記冷却構造の前記第1の表面が、
複数のピンの隣接する各々の対が間に開口を有する、前記本体の前記第1の表面から延びる複数のピン、
複数の隆起部材の隣接する各々の対が間に開口を有する、前記本体の第1の表面から延びる複数の隆起部材、の少なくとも1つを含む、ターボ機械。 - ターボ機械であって、
ロータシャフトに結合された複数のバケットと、
前記複数のバケットの先端の近傍に前記複数のバケットの先端から離れて位置するタービンシュラウドと、を備え、該タービンシュラウドが、
シールスロットと、
該シールスロット内に位置する冷却構造であって、該冷却構造が前記シールスロットの表面に結合された本体を有する、前記冷却構造と、
を含み、
前記本体がその第1の表面上に、冷却流体を前記シールスロットに供給するための通路を含み、
前記冷却構造の前記通路が、前記本体の前記第1の表面に溝を備え、
前記冷却構造が、完全に前記タービンシュラウド内に配置される、
前記冷却構造の前記通路が、前記本体の長さに沿って前記第1の表面上に延在する、ターボ機械。 - ターボ機械であって、
ロータシャフトに結合された複数のバケットと、
前記複数のバケットの先端の近傍に前記複数のバケットの先端から離れて位置するタービンシュラウドと、を備え、該タービンシュラウドが、
シールスロットと、
該シールスロット内に位置する冷却構造であって、該冷却構造が前記シールスロットの表面に結合された本体を有する、前記冷却構造と、
を含み、
前記本体がその第1の表面上に、冷却流体を前記シールスロットに供給するための通路を含み、
前記冷却構造の前記通路が、前記本体の前記第1の表面に溝を備え、
前記冷却構造が、完全に前記タービンシュラウド内に配置される、
前記冷却構造が事前焼結プリフォームを含む、ターボ機械。 - 前記本体が第2の表面を備える請求項1乃至3のいずれかに記載のターボ機械。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/761,318 US9828872B2 (en) | 2013-02-07 | 2013-02-07 | Cooling structure for turbomachine |
US13/761,318 | 2013-02-07 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2014152776A JP2014152776A (ja) | 2014-08-25 |
JP6461474B2 true JP6461474B2 (ja) | 2019-01-30 |
Family
ID=51206232
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2014015091A Active JP6461474B2 (ja) | 2013-02-07 | 2014-01-30 | ターボ機械用冷却構造 |
Country Status (4)
Country | Link |
---|---|
US (1) | US9828872B2 (ja) |
JP (1) | JP6461474B2 (ja) |
CH (1) | CH707899A2 (ja) |
DE (1) | DE102014101360A1 (ja) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20140170433A1 (en) * | 2012-12-19 | 2014-06-19 | General Electric Company | Components with near-surface cooling microchannels and methods for providing the same |
EP2907977A1 (de) * | 2014-02-14 | 2015-08-19 | Siemens Aktiengesellschaft | Heißgasbeaufschlagbares Bauteil für eine Gasturbine sowie Dichtungsanordnung mit einem derartigen Bauteil |
US10520193B2 (en) * | 2015-10-28 | 2019-12-31 | General Electric Company | Cooling patch for hot gas path components |
US10309252B2 (en) * | 2015-12-16 | 2019-06-04 | General Electric Company | System and method for cooling turbine shroud trailing edge |
US10221719B2 (en) * | 2015-12-16 | 2019-03-05 | General Electric Company | System and method for cooling turbine shroud |
US10378380B2 (en) * | 2015-12-16 | 2019-08-13 | General Electric Company | Segmented micro-channel for improved flow |
US20170306775A1 (en) * | 2016-04-21 | 2017-10-26 | General Electric Company | Article, component, and method of making a component |
EP3361056A1 (de) * | 2017-02-10 | 2018-08-15 | Siemens Aktiengesellschaft | Leitschaufel für eine strömungsmaschine |
US11572801B2 (en) | 2019-09-12 | 2023-02-07 | General Electric Company | Turbine engine component with baffle |
Family Cites Families (34)
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US4902198A (en) * | 1988-08-31 | 1990-02-20 | Westinghouse Electric Corp. | Apparatus for film cooling of turbine van shrouds |
JP3302370B2 (ja) * | 1995-04-11 | 2002-07-15 | ユナイテッド・テクノロジーズ・コーポレーション | 薄膜冷却スロットを備えたタービンブレードの外部エアシール |
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JP3999395B2 (ja) * | 1999-03-03 | 2007-10-31 | 三菱重工業株式会社 | ガスタービン分割環 |
US6368054B1 (en) * | 1999-12-14 | 2002-04-09 | Pratt & Whitney Canada Corp. | Split ring for tip clearance control |
US6511762B1 (en) | 2000-11-06 | 2003-01-28 | General Electric Company | Multi-layer thermal barrier coating with transpiration cooling |
US6617003B1 (en) | 2000-11-06 | 2003-09-09 | General Electric Company | Directly cooled thermal barrier coating system |
US6551061B2 (en) | 2001-03-27 | 2003-04-22 | General Electric Company | Process for forming micro cooling channels inside a thermal barrier coating system without masking material |
US6499949B2 (en) | 2001-03-27 | 2002-12-31 | Robert Edward Schafrik | Turbine airfoil trailing edge with micro cooling channels |
US6461107B1 (en) | 2001-03-27 | 2002-10-08 | General Electric Company | Turbine blade tip having thermal barrier coating-formed micro cooling channels |
JP2003129803A (ja) * | 2001-10-24 | 2003-05-08 | Mitsubishi Heavy Ind Ltd | ガスタービン |
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US8784037B2 (en) * | 2011-08-31 | 2014-07-22 | Pratt & Whitney Canada Corp. | Turbine shroud segment with integrated impingement plate |
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-
2013
- 2013-02-07 US US13/761,318 patent/US9828872B2/en active Active
-
2014
- 2014-01-30 JP JP2014015091A patent/JP6461474B2/ja active Active
- 2014-02-04 DE DE102014101360.3A patent/DE102014101360A1/de active Pending
- 2014-02-05 CH CH00146/14A patent/CH707899A2/de not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
DE102014101360A1 (de) | 2014-08-07 |
US9828872B2 (en) | 2017-11-28 |
CH707899A2 (de) | 2014-10-15 |
US20140219780A1 (en) | 2014-08-07 |
JP2014152776A (ja) | 2014-08-25 |
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