JP6924021B2 - 多重壁ブレードのためのプラットフォームコア供給部 - Google Patents
多重壁ブレードのためのプラットフォームコア供給部 Download PDFInfo
- Publication number
- JP6924021B2 JP6924021B2 JP2016242826A JP2016242826A JP6924021B2 JP 6924021 B2 JP6924021 B2 JP 6924021B2 JP 2016242826 A JP2016242826 A JP 2016242826A JP 2016242826 A JP2016242826 A JP 2016242826A JP 6924021 B2 JP6924021 B2 JP 6924021B2
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- Prior art keywords
- platform
- pressure side
- cooling
- platform core
- positive pressure
- Prior art date
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- 238000001816 cooling Methods 0.000 claims description 87
- 238000007599 discharging Methods 0.000 claims 1
- 238000007789 sealing Methods 0.000 claims 1
- 239000007789 gas Substances 0.000 description 14
- 238000000034 method Methods 0.000 description 8
- 239000000567 combustion gas Substances 0.000 description 4
- 239000000446 fuel Substances 0.000 description 3
- 238000005219 brazing Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000007704 transition Effects 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
- 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
- F01D5/186—Film 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
- 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
-
- 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
- F05D2230/00—Manufacture
- F05D2230/10—Manufacture by removing material
-
- 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
- F05D2260/202—Heat transfer, e.g. cooling by film cooling
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
Description
3 プラットフォーム
4 シャンク
5 正圧側面プラットフォーム
6 多重壁ブレード
7 負圧側面プラットフォーム
8 正圧側面
10 負圧側面
14 前縁
16 後縁
18、20、22、24、26 キャビティ
18 前縁キャビティ
20A〜20E 正圧側面(壁近傍)キャビティ
22A〜22F 負圧側面(壁近傍)キャビティ
24A〜24C 後縁キャビティ
26A、26B 中央キャビティ
30 正圧側面冷却回路
32 冷却空気
34 基部
36 転向部
38 先端領域
39 基部
40 転向部
42 基部
44 転向部
46 基部
48 プラットフォームコア空気供給部
50 端部タブ
52 空気通路
54 プラットフォームコア
58 冷却フィルム
60 フィルムアパーチャ
64 ドリル孔
66 正圧側面シャンク
68 負圧側面シャンク
70 正圧側面スラッシュ面
72 負圧側面スラッシュ面
74 プラグ
102 ガスターボ機械
104 圧縮機
106 空気の流れ
108 圧縮空気
110 燃焼器
112 燃料の流れ
114 燃焼ガス
116 タービン
118 シャフト
120 負荷
200 冷却回路
202 外側キャビティ
204 導管
206 中央キャビティ
208 基部
Claims (8)
- 多重壁ブレード(6)及びプラットフォーム(3)を含むタービンバケット(2)のための冷却システムであって、前記多重壁ブレード(6)が前記プラットフォーム(3)の上面から半径方向に離れるように延び、当該冷却システムが、
正圧側面外側キャビティ回路、負圧側面外側キャビティ回路、及び前記多重壁ブレード(6)内で半径方向に延びる中央キャビティ(26A,26B)であって前記正圧側面外側キャビティ回路から冷却空気(32)を収集するため前記正圧側面外側キャビティ回路と前記負圧側面外側キャビティ回路との間に配置された中央キャビティ(26A,26B)を含む、前記多重壁ブレード(6)のための冷却回路(200)と、
前記中央キャビティ(26A,26B)から前記冷却空気(32)を受け取るためのプラットフォームコア空気供給部(48)であって、前記プラットフォーム(3)の下方の前記タービンバケット(2)のシャンク(4)内で前記タービンバケット(2)の側方に向かって外側に延びるプラットフォームコア空気供給部(48)と、
前記プラットフォームコア空気供給部(48)を前記プラットフォーム(3)のプラットフォームコア(54)に流体接続するための空気通路(52)と
を備えており、前記プラットフォーム(3)の上面が、前記冷却空気(32)を前記プラットフォームコア(54)から冷却フィルム(58)として排出するための複数のアパーチャ(60)を含んでいる、冷却システム。 - 前記空気通路(52)が、孔の部分を含み、前記孔が、前記タービンバケット(2)の前記側方の外部から、前記プラットフォームコア空気供給部(48)の部分を通って、前記プラットフォームコア(54)に延びる、請求項1に記載の冷却システム。
- 前記プラットフォームコア空気供給部(48)の前記部分が、端部タブ(50)を含む、請求項2に記載の冷却システム。
- 前記孔を前記タービンバケット(2)の前記側方の前記外部から前記プラットフォームコア空気供給部(48)の前記部分までシールするためのプラグをさらに備える、請求項2に記載の冷却システム。
- 前記タービンバケット(2)の前記側方の前記外部が、前記タービンバケット(2)の前記シャンク(4)又は前記プラットフォーム(3)のスラッシュ面を含む、請求項2に記載の冷却システム。
- 前記正圧側面外側キャビティ回路が複数の正圧側面キャビティを含んでおり、前記負圧側面外側キャビティ回路が複数の負圧側面キャビティを含む、請求項1乃至請求項5のいずれか1項に記載の冷却システム。
- 前記正圧側面外側キャビティ回路が3経路正圧側面蛇行回路を含む、請求項6に記載の冷却システム。
- 前縁キャビティ(18)及び複数の後縁キャビティ(20A,20B,20C)をさらに含む、請求項1乃至請求項7のいずれか1項に記載の冷却システム。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14/977,200 | 2015-12-21 | ||
US14/977,200 US10030526B2 (en) | 2015-12-21 | 2015-12-21 | Platform core feed for a multi-wall blade |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2017115881A JP2017115881A (ja) | 2017-06-29 |
JP6924021B2 true JP6924021B2 (ja) | 2021-08-25 |
Family
ID=57569976
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2016242826A Active JP6924021B2 (ja) | 2015-12-21 | 2016-12-15 | 多重壁ブレードのためのプラットフォームコア供給部 |
Country Status (4)
Country | Link |
---|---|
US (1) | US10030526B2 (ja) |
EP (1) | EP3244009B1 (ja) |
JP (1) | JP6924021B2 (ja) |
CN (1) | CN107035419B (ja) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
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US10060269B2 (en) | 2015-12-21 | 2018-08-28 | General Electric Company | Cooling circuits for a multi-wall blade |
US10053989B2 (en) | 2015-12-21 | 2018-08-21 | General Electric Company | Cooling circuit for a multi-wall blade |
US9932838B2 (en) | 2015-12-21 | 2018-04-03 | General Electric Company | Cooling circuit for a multi-wall blade |
US10119405B2 (en) | 2015-12-21 | 2018-11-06 | General Electric Company | Cooling circuit for a multi-wall blade |
US9976425B2 (en) | 2015-12-21 | 2018-05-22 | General Electric Company | Cooling circuit for a multi-wall blade |
US10221696B2 (en) | 2016-08-18 | 2019-03-05 | General Electric Company | Cooling circuit for a multi-wall blade |
US10267162B2 (en) * | 2016-08-18 | 2019-04-23 | General Electric Company | Platform core feed for a multi-wall blade |
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-
2015
- 2015-12-21 US US14/977,200 patent/US10030526B2/en active Active
-
2016
- 2016-12-14 EP EP16203975.4A patent/EP3244009B1/en active Active
- 2016-12-15 JP JP2016242826A patent/JP6924021B2/ja active Active
- 2016-12-21 CN CN201611191743.7A patent/CN107035419B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
JP2017115881A (ja) | 2017-06-29 |
CN107035419B (zh) | 2021-09-07 |
US10030526B2 (en) | 2018-07-24 |
CN107035419A (zh) | 2017-08-11 |
EP3244009B1 (en) | 2021-05-19 |
EP3244009A1 (en) | 2017-11-15 |
US20170175545A1 (en) | 2017-06-22 |
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