JP4000121B2 - 二分割空洞を有する単一の中空ベーンを備えたガスタービンエンジンのタービンノズルセグメント - Google Patents
二分割空洞を有する単一の中空ベーンを備えたガスタービンエンジンのタービンノズルセグメント Download PDFInfo
- Publication number
- JP4000121B2 JP4000121B2 JP2004050708A JP2004050708A JP4000121B2 JP 4000121 B2 JP4000121 B2 JP 4000121B2 JP 2004050708 A JP2004050708 A JP 2004050708A JP 2004050708 A JP2004050708 A JP 2004050708A JP 4000121 B2 JP4000121 B2 JP 4000121B2
- Authority
- JP
- Japan
- Prior art keywords
- airfoil
- segment
- rib
- nozzle segment
- bipartite
- 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
- F01D5/188—Convection cooling with an insert in the blade cavity to guide the cooling fluid, e.g. forming a separation wall
- F01D5/189—Convection cooling with an insert in the blade cavity to guide the cooling fluid, e.g. forming a separation wall the insert having a tubular cross-section, e.g. airfoil shape
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C21/00—Flasks; Accessories therefor
- B22C21/12—Accessories
- B22C21/14—Accessories for reinforcing or securing moulding materials or cores, e.g. gaggers, chaplets, pins, bars
-
- 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
- F05D2240/12—Fluid guiding means, e.g. vanes
-
- 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
- F05D2260/201—Heat transfer, e.g. cooling by impingement of a 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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Description
4 第2段タービンノズル
6 長手方向中心軸線
9 高圧タービン第2段ロータブレード
10 ノズルセグメント
14 環状ケーシング
18 高圧タービン第1段ロータブレード
24 外側バンドセグメント
26 内側バンドセグメント
28 中空ベーン翼形部
30 二又状インピンジメントバッフル
39 二分割リブ
58 クロスオーバ孔
77 第1のシュラウド支持体
79 第2のシュラウド支持体
97 第1のシュラウド
99 第2のシュラウド
107 前方フック
110 スプーリ
112 環状プレナム
LE 翼形部前縁
TE 翼形部後縁
Claims (7)
- 半径方向外側及び内側バンドセグメント(24及び26)間で半径方向に延びる単一の中空翼形部(28)を含み、
前記翼形部が、前記半径方向外側及び内側バンドセグメント(24及び26)の周方向に間隔を置いた正圧及び負圧側端部(33及び35)間に配置され、
前記翼形部が、該翼形部の前縁及び後縁(LE及びTE)間で軸方向に延びる正圧及び負圧側面(22及び23)を備えた翼形部壁(29)を有し、
前記翼形部壁(29)が、二分割された空洞(37)を囲み、
前記翼形部壁(29)の正圧及び負圧側面(22及び23)間で前記二分割空洞(37)を貫通して延びて、該二分割空洞(37)を前方及び後方空洞(41及び43)に分割する二分割リブ(39)が設けられており、
前記二分割リブ(39)と軸方向かつ周方向向きに整列された補強リブ(60)を更に含み、該補強リブ(60)は、前記外側バンドセグメント(24)の半径方向外側面(62)から該半径方向外側面(62)に沿って半径方向外向きに延び、かつ該外側バンドセグメント(24)の正圧側前方コーナ部(64)から前記二分割リブ(39)まで軸方向かつ周方向向きに延びる、
ことを特徴とするタービンノズルセグメント(10)。 - 前記翼形部(28)と前記外側バンドセグメント(24)との接合部の周りで延びる翼形部フィレット(91)と、前記二分割リブ(39)が前記翼形部(28)の負圧側面(23)と交わる位置における前記翼形部フィレット(91)の拡大部分(93)とを更に含むことを特徴とする、請求項1に記載のタービンノズルセグメント(10)。
- 前記補強リブ(60)及び前記二分割リブ(39)が、前記外側バンドセグメント(24)の後端部(128)における該ノズルセグメント(10)のホイールベース(120)から外れて外側に位置する中心平面(49)付近にほぼ中心があることを特徴とする、請求項1に記載のタービンノズルセグメント(10)。
- 前記翼形部(28)と前記外側及び内側バンドセグメント(24及び26)と前記二分割リブ(39)と前記補強リブ(60)とは、一体形であり、単体鋳造品から作られていることを特徴とする、請求項3に記載のタービンノズルセグメント(10)。
- 前記二分割リブ(39)を貫通する多数のクロスオーバ孔(58)を更に含むことを特徴とする、請求項1又は請求項4に記載のタービンノズルセグメント(10)。
- 前記補強リブ(60)が、前記二分割リブ(39)と軸方向かつ周方向向きに整列されていることを特徴とする、請求項1、請求項2又は請求項5に記載のタービンノズルセグメント(10)。
- 前記補強リブ(60)が、前記翼形部(28)に加わる合成ガス荷重の方向(63)と整列されていることを特徴とする、請求項1又は請求項6に記載のタービンノズルセグメント(10)。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/375,585 US6969233B2 (en) | 2003-02-27 | 2003-02-27 | Gas turbine engine turbine nozzle segment with a single hollow vane having a bifurcated cavity |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2004257392A JP2004257392A (ja) | 2004-09-16 |
JP2004257392A5 JP2004257392A5 (ja) | 2007-04-12 |
JP4000121B2 true JP4000121B2 (ja) | 2007-10-31 |
Family
ID=32771465
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004050708A Expired - Fee Related JP4000121B2 (ja) | 2003-02-27 | 2004-02-26 | 二分割空洞を有する単一の中空ベーンを備えたガスタービンエンジンのタービンノズルセグメント |
Country Status (5)
Country | Link |
---|---|
US (1) | US6969233B2 (ja) |
EP (1) | EP1452689B1 (ja) |
JP (1) | JP4000121B2 (ja) |
CN (1) | CN100347411C (ja) |
DE (1) | DE602004001069T2 (ja) |
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CN102182519B (zh) * | 2011-03-24 | 2013-11-06 | 西安交通大学 | 汽轮机静叶自射流二次流控制结构 |
US8651799B2 (en) | 2011-06-02 | 2014-02-18 | General Electric Company | Turbine nozzle slashface cooling holes |
US8978388B2 (en) | 2011-06-03 | 2015-03-17 | General Electric Company | Load member for transition duct in turbine system |
EP2626519A1 (en) * | 2012-02-09 | 2013-08-14 | Siemens Aktiengesellschaft | Turbine assembly, corresponding impingement cooling tube and gas turbine engine |
US9024226B2 (en) * | 2012-02-15 | 2015-05-05 | United Technologies Corporation | EDM method for multi-lobed cooling hole |
US9151164B2 (en) | 2012-03-21 | 2015-10-06 | Pratt & Whitney Canada Corp. | Dual-use of cooling air for turbine vane and method |
US20140075947A1 (en) * | 2012-09-18 | 2014-03-20 | United Technologies Corporation | Gas turbine engine component cooling circuit |
CN103775136B (zh) * | 2012-10-23 | 2015-06-10 | 中航商用航空发动机有限责任公司 | 一种叶片 |
ITCO20120059A1 (it) * | 2012-12-13 | 2014-06-14 | Nuovo Pignone Srl | Metodi per produrre pale cave sagomate in 3d di turbomacchine mediante produzione additiva, pale cave di turbomacchina e turbomacchine |
US9057276B2 (en) | 2013-02-06 | 2015-06-16 | Siemens Aktiengesellschaft | Twisted gas turbine engine airfoil having a twisted rib |
US9120144B2 (en) | 2013-02-06 | 2015-09-01 | Siemens Aktiengesellschaft | Casting core for twisted gas turbine engine airfoil having a twisted rib |
US10822976B2 (en) * | 2013-06-03 | 2020-11-03 | General Electric Company | Nozzle insert rib cap |
US20140356155A1 (en) | 2013-06-03 | 2014-12-04 | General Electric Company | Nozzle Insert Rib Cap |
US10145245B2 (en) * | 2013-09-24 | 2018-12-04 | United Technologies Corporation | Bonded multi-piece gas turbine engine component |
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2003
- 2003-02-27 US US10/375,585 patent/US6969233B2/en not_active Expired - Lifetime
-
2004
- 2004-02-26 DE DE602004001069T patent/DE602004001069T2/de not_active Expired - Lifetime
- 2004-02-26 EP EP04251059A patent/EP1452689B1/en not_active Expired - Lifetime
- 2004-02-26 JP JP2004050708A patent/JP4000121B2/ja not_active Expired - Fee Related
- 2004-02-27 CN CNB2004100082385A patent/CN100347411C/zh not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US6969233B2 (en) | 2005-11-29 |
EP1452689B1 (en) | 2006-06-07 |
CN100347411C (zh) | 2007-11-07 |
US20040170499A1 (en) | 2004-09-02 |
EP1452689A1 (en) | 2004-09-01 |
CN1526918A (zh) | 2004-09-08 |
DE602004001069D1 (de) | 2006-07-20 |
DE602004001069T2 (de) | 2006-12-28 |
JP2004257392A (ja) | 2004-09-16 |
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