JP4644465B2 - 分割流式タービンノズル - Google Patents
分割流式タービンノズル Download PDFInfo
- Publication number
- JP4644465B2 JP4644465B2 JP2004307783A JP2004307783A JP4644465B2 JP 4644465 B2 JP4644465 B2 JP 4644465B2 JP 2004307783 A JP2004307783 A JP 2004307783A JP 2004307783 A JP2004307783 A JP 2004307783A JP 4644465 B2 JP4644465 B2 JP 4644465B2
- Authority
- JP
- Japan
- Prior art keywords
- channel
- nozzle
- pressure
- plenum
- turbine
- 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 - Fee Related
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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
- F01D5/187—Convection 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
- F01D5/02—Blade-carrying members, e.g. rotors
- F01D5/08—Heating, heat-insulating or cooling means
- F01D5/081—Cooling fluid being directed on the side of the rotor disc or at the roots of the blades
-
- 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
- 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
- F01D9/06—Fluid supply conduits to nozzles or the like
- F01D9/065—Fluid supply or removal conduits traversing the working fluid flow, e.g. for lubrication-, cooling-, or sealing fluids
-
- 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
- F05D2260/2212—Improvement of heat transfer by creating turbulence
-
- 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
-
- 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
Description
24 中間出力タービン
28 加圧空気
30 燃焼ガス
32 第1段タービンノズル
34 第2段タービンノズル
36 タービンロータブレード
38 ベーン
40 外側バンド
42 内側バンド
44 外側プレナム
46 外側プレナムの入口
48 内側プレナム
50 内側プレナムの出口
52 凹部
62 前方流れチャネル
64 後方流れチャネル
66 中間流れチャネル
78 外側スプーリ
80 内側スプーリ
Claims (7)
- 対向する外側及び内側バンド(40、42)間で翼長にわたって延びかつ対向する前縁及び後縁(58、60)間で翼弦にわたって延びる対向する正圧及び負圧側面(54、56)を有する中空のベーン(38)を含み、
前記正圧及び負圧側面が、前記後縁に隣接して該正圧側面(54)を貫通する後縁出口(68)の列を除いて無孔であり、
前記外側バンド(40)が、加圧空気(28)を受けるための入口(46)を含む外側プレナム(44)を有し、また前記内側バンド(42)が、出口(50)を含む内側プレナム(48)と前記内側プレナム(48)から間隔を置いて配置されて該内側プレナムの外側に後方凹部(52)を形成した後方フランジとを有し、
前記ベーン(38)が、前記外側及び内側バンド(40、42)間で延びる前方、後方及び中間流れチャネル(62、64、66)をさらに含み、
前記前方チャネル(62)が、前記外側及び内側プレナム(44、48)と流れ連通した状態で前記前縁(58)の後方に配置され、
前記中間チャネル(66)が、前記外側及び内側プレナムと流れ連通した状態で前記前方チャネル(62)の後方に配置され、
前記後方チャネル(64)が、前記外側プレナム(44)、後縁出口(68)及び後方凹部(52)と流れ連通した状態で前記中間チャネルの後方かつ前記後縁(60)の前方に配置されており、
前記外側バンド(40)が、流れ連通した状態で前記外側プレナム(44)をそれぞれ前記前方、後方及び中間チャネル(62、66、64)に結合する前方、後方及び中間開口入口(70)を含み、
前記内側バンド(42)が、流れ連通した状態で前記前方及び中間チャネル(62、66)を前記内側プレナム(48)に、また前記後方チャネル(64)を前記内側プレナムの外側の前記後方凹部(52)に結合する前方、後方及び中間開口出口(72)を含み、
前記中間チャネル(66)が、翼弦方向に前記前方チャネル(62)及び後方チャネル(64)よりも長く、
前記ベーン(38)が、前記中間チャネルを前記外側及び内側バンド(40、42)間で翼長にわたって延びる2つの脚部に分割しかつ前記正圧及び負圧側面(54、56)をそれに沿って互いに一体に結合する中間ブリッジ(74)をさらに含み、
前記中間ブリッジ(74)が、前記外側バンド(40)に結合されかつ前記内側バンド(42)の手前で終わり、
前記外側バンド(40)が、前記2つの中間脚部における2つの中間入口(70)を含み、
前記内側バンド(42)が、前記2つの脚部の下方に中間チャネル(66)における共通の中間出口(72)を含む、
ことを特徴とするタービンノズル(32)。 - 前記前方、中間及び後方チャネル(62、66、64)が、無孔のブリッジによって分離されて、前記外側及び内側バンド(40、42)間に加圧空気の流れを閉じ込めるようなっている、
請求項1記載のノズル。 - 前記内側バンド(42)の前方及び中間出口(72)が、前記前方及び中間チャネル(62、66)からの空気の流量を調量するような寸法にされ、
前記外側バンド(40)の後方入口(70)が、前記後方チャネル(64)内への空気の流量を調量するような寸法にされている、
請求項2記載のノズル。 - 前記外側プレナムの入口(70)が管状外側スプーリ(78)を含み、また前記内側プレナム(48)の出口(50)が、管状内側スプーリ(80)を含む、請求項3記載のノズル。
- 前記前方及び中間チャネル(62、66)が、前記正圧及び負圧側面(54、56)の内部表面に沿ってタービュレータ(76)を含み、
前記後方チャネル(64)にはタービュレータが全くない、
請求項4記載のノズル。 - 両端部において前記外側及び内側バンド(40、42)に結合された複数のベーン(38)をさらに含み、前記ベーンの各々が、前記外側及び内側プレナム(44、48)と流れ連通した状態で配置されている、請求項4記載のノズル。
- 該ノズル(32)の上流に配置した高圧タービン(22)及び該ノズル(32)の下流に配置した低圧タービン(26)と組み合わされた、請求項4記載のノズル。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/690,915 US6929445B2 (en) | 2003-10-22 | 2003-10-22 | Split flow turbine nozzle |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005127326A JP2005127326A (ja) | 2005-05-19 |
JP4644465B2 true JP4644465B2 (ja) | 2011-03-02 |
Family
ID=34394537
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004307783A Expired - Fee Related JP4644465B2 (ja) | 2003-10-22 | 2004-10-22 | 分割流式タービンノズル |
Country Status (5)
Country | Link |
---|---|
US (1) | US6929445B2 (ja) |
EP (1) | EP1526251B1 (ja) |
JP (1) | JP4644465B2 (ja) |
CA (1) | CA2485179C (ja) |
DE (1) | DE602004012209T2 (ja) |
Families Citing this family (46)
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GB2446149B (en) * | 2007-01-31 | 2009-03-18 | Siemens Ag | A gas turbine |
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FR2919897B1 (fr) * | 2007-08-08 | 2014-08-22 | Snecma | Secteur de distributeur de turbine |
US8100633B2 (en) * | 2008-03-11 | 2012-01-24 | United Technologies Corp. | Cooling air manifold splash plates and gas turbines engine systems involving such splash plates |
US8246306B2 (en) * | 2008-04-03 | 2012-08-21 | General Electric Company | Airfoil for nozzle and a method of forming the machined contoured passage therein |
GB0809759D0 (en) * | 2008-05-30 | 2008-07-09 | Rolls Royce Plc | Gas turbine engine |
US20100068066A1 (en) * | 2008-09-12 | 2010-03-18 | General Electric Company | System and method for generating modulated pulsed flow |
EP2180148A1 (de) * | 2008-10-27 | 2010-04-28 | Siemens Aktiengesellschaft | Gasturbine mit Kühleinsatz |
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GB2467350A (en) * | 2009-02-02 | 2010-08-04 | Rolls Royce Plc | Cooling and sealing in gas turbine engine turbine stage |
US8262345B2 (en) * | 2009-02-06 | 2012-09-11 | General Electric Company | Ceramic matrix composite turbine engine |
US8713909B2 (en) * | 2009-03-04 | 2014-05-06 | United Technologies Corporation | Elimination of unfavorable outflow margin |
US20100303610A1 (en) * | 2009-05-29 | 2010-12-02 | United Technologies Corporation | Cooled gas turbine stator assembly |
US8511969B2 (en) * | 2009-10-01 | 2013-08-20 | Pratt & Whitney Canada Corp. | Interturbine vane with multiple air chambers |
US10337404B2 (en) * | 2010-03-08 | 2019-07-02 | General Electric Company | Preferential cooling of gas turbine nozzles |
US9156086B2 (en) | 2010-06-07 | 2015-10-13 | Siemens Energy, Inc. | Multi-component assembly casting |
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US20220316352A1 (en) * | 2021-03-31 | 2022-10-06 | Raytheon Technologies Corporation | Flow diverter for mid-turbine frame cooling air delivery |
US11719130B2 (en) * | 2021-05-06 | 2023-08-08 | Raytheon Technologies Corporation | Vane system with continuous support ring |
US11591921B1 (en) * | 2021-11-05 | 2023-02-28 | Rolls-Royce Plc | Ceramic matrix composite vane assembly |
CN114483311A (zh) * | 2021-12-31 | 2022-05-13 | 北京动力机械研究所 | 一种紧凑式双介质进气结构 |
CN115045719B (zh) * | 2022-06-20 | 2023-03-21 | 大连理工大学 | 一种采用新月盾鳞复合冷却结构的涡轮叶片 |
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2003
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-
2004
- 2004-10-12 CA CA2485179A patent/CA2485179C/en not_active Expired - Fee Related
- 2004-10-20 EP EP04256453A patent/EP1526251B1/en not_active Expired - Fee Related
- 2004-10-20 DE DE602004012209T patent/DE602004012209T2/de active Active
- 2004-10-22 JP JP2004307783A patent/JP4644465B2/ja not_active Expired - Fee Related
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JPH03264706A (ja) * | 1990-03-14 | 1991-11-26 | Toshiba Corp | タービン静翼 |
JPH0696987B2 (ja) * | 1991-11-01 | 1994-11-30 | ゼネラル・エレクトリック・カンパニイ | 空気移送ブッシング |
JPH0681675A (ja) * | 1992-09-03 | 1994-03-22 | Hitachi Ltd | ガスタービン及びガスタービンの段落装置 |
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Also Published As
Publication number | Publication date |
---|---|
EP1526251B1 (en) | 2008-03-05 |
CA2485179C (en) | 2010-05-18 |
JP2005127326A (ja) | 2005-05-19 |
EP1526251A1 (en) | 2005-04-27 |
US6929445B2 (en) | 2005-08-16 |
DE602004012209D1 (de) | 2008-04-17 |
US20050089393A1 (en) | 2005-04-28 |
DE602004012209T2 (de) | 2009-03-12 |
CA2485179A1 (en) | 2005-04-22 |
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