JP6981724B2 - 粒子収集チャンバを有する高温ガス経路構成要素冷却システム - Google Patents
粒子収集チャンバを有する高温ガス経路構成要素冷却システム Download PDFInfo
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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
- F02C7/12—Cooling of plants
- F02C7/16—Cooling of plants characterised by cooling medium
- F02C7/18—Cooling of plants characterised by cooling medium the medium being gaseous, e.g. air
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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
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/12—Blades
- F01D5/14—Form or construction
- F01D5/18—Hollow blades, i.e. blades with cooling or heating channels or cavities; Heating, heat-insulating or cooling means on blades
- F01D5/187—Convection cooling
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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
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- F01D5/12—Blades
- F01D5/14—Form or construction
- F01D5/18—Hollow blades, i.e. blades with cooling or heating channels or cavities; Heating, heat-insulating or cooling means on blades
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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
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/12—Blades
- F01D5/14—Form or construction
- F01D5/18—Hollow blades, i.e. blades with cooling or heating channels or cavities; Heating, heat-insulating or cooling means on blades
- F01D5/187—Convection cooling
- F01D5/188—Convection cooling with an insert in the blade cavity to guide the cooling fluid, e.g. forming a separation wall
-
- 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
- F02C3/00—Gas-turbine plants characterised by the use of combustion products as the working fluid
- F02C3/04—Gas-turbine plants characterised by the use of combustion products as the working fluid having a turbine driving a compressor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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- 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
- F02C7/04—Air intakes for gas-turbine plants or jet-propulsion plants
- F02C7/05—Air intakes for gas-turbine plants or jet-propulsion plants having provisions for obviating the penetration of damaging objects or particles
- F02C7/052—Air intakes for gas-turbine plants or jet-propulsion plants having provisions for obviating the penetration of damaging objects or particles with dust-separation devices
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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
- F02C7/12—Cooling of plants
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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
- F02C7/12—Cooling of plants
- F02C7/14—Cooling of plants of fluids in the plant, e.g. lubricant or fuel
- F02C7/141—Cooling of plants of fluids in the plant, e.g. lubricant or fuel of working fluid
-
- 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
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- 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
- F05D2260/202—Heat transfer, e.g. cooling by film cooling
-
- 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
- F05D2260/204—Heat transfer, e.g. cooling by the use of microcircuits
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- 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
- F05D2260/60—Fluid transfer
- F05D2260/607—Preventing clogging or obstruction of flow paths by dirt, dust, or foreign particles
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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)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Description
とを容易にする。例えば、限定ではないが、このプロセスによって、プレナムアクセス通路94及びマイクロチャネル76に繋がる結合通路96は、一定断面積の真っ直ぐな孔、成形孔(楕円形等)、又は縮小又が拡大孔としてドリル加工される。加えて、研磨液体ジェットシステムは、多軸コンピュータ数値制御(CNC)ユニットを含むことができる。CNCユニットにより、X、Y、及びZ軸の複数の軸に沿った又は回転軸の周りの切削工具の移動が可能になる。
84及び外面80を冷却した後、加圧空気24はマイクロチャネル76から排出することができる。例えば、限定ではないが、1つの実施形態において、図5-6に示すように、加圧空気24は、コーティング84の外面102の付近から排出することができる。もしくは、加圧空気24は、翼形部36の後縁40又は前縁38、又は高温ガス経路構成要素26の端壁の端部104(図3に示す)といった、高温ガス経路構成要素26の端部から高温ガス流22の経路に排出することができる。
12 圧縮機
14 燃焼器
16 タービン
18 回転シャフト
20 燃料ノズル
22 高温ガス流
24 加圧空気
26 高温ガス経路構成要素
28 ステータベーン
30 翼形部
32 前縁(ステータベーン)
34 ケーシング
36 翼形部
38 前縁(タービンブレード)
40 後縁(タービンブレード)
42 冷却システム
44 冷却流体供給導管
46 ロータホイール
48 ロータホイール組立体
50 ダブテール
52 プラットフォーム
54 正圧側面
56 負圧側面
58 タング
60 ダブテールスロット
62 ロータホイールポスト
64 スロットタング
66 根元部
68 切り欠き
70 前方端壁
72 後方端壁
74 入口開口部
76 マイクロチャネル
78 基材
80 外面
82 内面
84 コーティング
86 ろう付けシート
88 少なくとも1つのプレナム
90 冷却通路
92 気膜冷却孔
94 プレナムアクセス通路
96 結合通路
98 収集チャンバ
100 微粒子
102 外面
104 端壁の端部
106 出口通路
Claims (12)
- 高温ガス経路構成要素(26)用の冷却システム(42)であって、
外面(80)と、少なくとも1つの内部空間を定める内面(82)とを含む基材(78)と、
前記基材の前記外面に沿って延びる外側通路(76)と、
前記基材に形成され、前記外面から前記少なくとも1つの内部空間に延び、前記外側通路に対して第1の鋭角で形成される、アクセス通路(94)と、
前記外側通路と前記アクセス通路との間に延びる結合通路(96)と、
を備え、
前記結合通路(96)は、前記アクセス通路に沿った前記アクセス通路の中間位置で前記外側通路に結合して流体連通し、
前記アクセス通路は、前記中間位置と前記外面との間に粒子収集チャンバ(98)を含む、冷却システム。 - 前記結合通路は、前記基材の前記外面からの所定の距離においてアクセス通路と交差する、請求項1に記載の冷却システム。
- 前記結合通路は、第1の直径で構成され、前記アクセス通路は、前記第1の直径よりも大きな第2の直径で構成される、請求項1または2に記載の冷却システム。
- 前記第1の直径に対する前記第2の直径の比率は、1.14から2.4の間である、請求項3に記載の冷却システム。
- 前記結合通路は、約0.025インチ(0.6mm)から約0.035インチ(0.9mm)の直径を有する円形断面を備え、
前記アクセス通路は、約0.040インチ(1.0mm)から約0.060インチ(1.5mm)の間の直径を有する円形断面を備える、請求項3に記載の冷却システム。 - 前記粒子収集チャンバに流体連通結合する出口通路(106)をさらに備える、請求項1乃至5のいずれかに記載の冷却システム。
- 圧縮機(12)と、
前記圧縮機に結合したタービン(16)と、
前記圧縮機と前記タービンのうちの少なくとも一方に配置された高温ガス経路構成要素(26)と、
を備えるガスタービンエンジン(10)であって、
前記高温ガス経路構成要素は、請求項1乃至6のいずれかに記載の冷却システムを備える、ガスタービンエンジン。 - 冷却流体供給導管(44)を含むケーシング(34)をさらに備える、請求項7に記載のガスタービンエンジン。
- 前記冷却流体供給導管は、前記少なくとも1つの内部空間に流体連通結合する、請求項8に記載のガスタービンエンジン。
- 前記高温ガス経路構成要素は、前記基材の前記外面の少なくとも一部に沿って配置されたコーティングをさらに備える、請求項7乃至9のいずれかに記載のガスタービンエンジン。
- 前記コーティングを貫通して形成され、かつ前記粒子収集チャンバに流体連通結合する出口通路(106)をさらに備える、請求項10に記載のガスタービンエンジン。
- 前記高温ガス経路構成要素は、タービンブレードである、請求項7乃至9のいずれかに記載のガスタービンエンジン。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14/739,727 | 2015-06-15 | ||
US14/739,727 US9897006B2 (en) | 2015-06-15 | 2015-06-15 | Hot gas path component cooling system having a particle collection chamber |
Publications (2)
Publication Number | Publication Date |
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JP2017002906A JP2017002906A (ja) | 2017-01-05 |
JP6981724B2 true JP6981724B2 (ja) | 2021-12-17 |
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JP2016113138A Active JP6981724B2 (ja) | 2015-06-15 | 2016-06-07 | 粒子収集チャンバを有する高温ガス経路構成要素冷却システム |
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US (1) | US9897006B2 (ja) |
EP (1) | EP3106618B1 (ja) |
JP (1) | JP6981724B2 (ja) |
CN (1) | CN106246353B (ja) |
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US11047240B2 (en) * | 2017-05-11 | 2021-06-29 | General Electric Company | CMC components having microchannels and methods for forming microchannels in CMC components |
US10704399B2 (en) * | 2017-05-31 | 2020-07-07 | General Electric Company | Adaptively opening cooling pathway |
EP3679227A1 (en) | 2017-09-06 | 2020-07-15 | Siemens Energy, Inc. | Dead leg debris extractor for continuous on-line operation |
EP3695101A1 (en) * | 2017-10-13 | 2020-08-19 | General Electric Company | Coated components having adaptive cooling openings and methods of making the same |
US10781697B2 (en) | 2017-12-05 | 2020-09-22 | Raytheon Technologies Corporation | Double wall turbine gas turbine engine blade cooling configuration |
US10808548B2 (en) * | 2017-12-05 | 2020-10-20 | Raytheon Technologies Corporation | Double wall turbine gas turbine engine blade cooling configuration |
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US9897006B2 (en) | 2018-02-20 |
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