DE19921644A1 - Kühlbare Schaufel für eine Gasturbine - Google Patents
Kühlbare Schaufel für eine GasturbineInfo
- Publication number
- DE19921644A1 DE19921644A1 DE19921644A DE19921644A DE19921644A1 DE 19921644 A1 DE19921644 A1 DE 19921644A1 DE 19921644 A DE19921644 A DE 19921644A DE 19921644 A DE19921644 A DE 19921644A DE 19921644 A1 DE19921644 A1 DE 19921644A1
- Authority
- DE
- Germany
- Prior art keywords
- blade
- channel
- tip
- channels
- 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.)
- Granted
Links
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
- 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
- F05D2250/00—Geometry
- F05D2250/70—Shape
-
- 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
- F05D2250/00—Geometry
- F05D2250/70—Shape
- F05D2250/71—Shape curved
-
- 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)
Abstract
Description
K Kühlmediumstrom
K1, K2 Teilstrom
Claims (10)
- - das Schaufelblatt aus einer saugseitigen Wand und einer druckseitigen Wand aufgebaut ist, welche unter Bildung eines Hohlraumes über eine Vor derkante, zumindest teilweise über eine Hinterkante sowie eine Schaufel spitze verbunden sind,
- - der Hohlraum durch im Wesentlichen radial verlaufende Trennstege in Kanäle unterteilt ist, welche einen durchgehenden, mehrfach umgelenkten Strömungspfad für ein Kühlmedium bilden, und
- - wenigstens eine Ausblaseöffnung für das Kühlmedium vorgesehen ist, dadurch gekennzeichnet, dass der der Hinterkante (18) benachbarte Trenn steg (34) nahe der Schaufelspitze (20) einen oder mehrere Durchgangs kanäle (36) aufweist.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19921644A DE19921644B4 (de) | 1999-05-10 | 1999-05-10 | Kühlbare Schaufel für eine Gasturbine |
US09/552,567 US6347923B1 (en) | 1999-05-10 | 2000-04-19 | Coolable blade for a gas turbine |
GB0009923A GB2349920B (en) | 1999-05-10 | 2000-04-20 | Coolable blade for a gas turbine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19921644A DE19921644B4 (de) | 1999-05-10 | 1999-05-10 | Kühlbare Schaufel für eine Gasturbine |
Publications (2)
Publication Number | Publication Date |
---|---|
DE19921644A1 true DE19921644A1 (de) | 2000-11-16 |
DE19921644B4 DE19921644B4 (de) | 2012-01-05 |
Family
ID=7907676
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19921644A Expired - Fee Related DE19921644B4 (de) | 1999-05-10 | 1999-05-10 | Kühlbare Schaufel für eine Gasturbine |
Country Status (3)
Country | Link |
---|---|
US (1) | US6347923B1 (de) |
DE (1) | DE19921644B4 (de) |
GB (1) | GB2349920B (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1247939A1 (de) * | 2001-04-06 | 2002-10-09 | Siemens Aktiengesellschaft | Verfahren zur Herstellung einer Turbinenschaufel sowie Turbinenschaufel |
Families Citing this family (48)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE50111949D1 (de) * | 2000-12-16 | 2007-03-15 | Alstom Technology Ltd | Komponente einer Strömungsmaschine |
DE10064271A1 (de) * | 2000-12-22 | 2002-07-04 | Alstom Switzerland Ltd | Vorrichtung zur Prallkühlung eines in einer Strömungskraftmaschine hitzeexponierten Bauteils sowie Verfahren hierzu |
DE10064269A1 (de) * | 2000-12-22 | 2002-07-04 | Alstom Switzerland Ltd | Komponente einer Strömungsmaschine mit Inspektionsöffnung |
GB0127902D0 (en) | 2001-11-21 | 2002-01-16 | Rolls Royce Plc | Gas turbine engine aerofoil |
WO2003054356A1 (de) * | 2001-12-10 | 2003-07-03 | Alstom Technology Ltd | Thermisch belastetes bauteil |
WO2003080998A1 (de) * | 2002-03-25 | 2003-10-02 | Alstom Technology Ltd | Gekühlte turbinenschaufel |
US6902372B2 (en) * | 2003-09-04 | 2005-06-07 | Siemens Westinghouse Power Corporation | Cooling system for a turbine blade |
US6939102B2 (en) * | 2003-09-25 | 2005-09-06 | Siemens Westinghouse Power Corporation | Flow guide component with enhanced cooling |
GB2411698A (en) * | 2004-03-03 | 2005-09-07 | Rolls Royce Plc | Coolant flow control in gas turbine engine |
US7118337B2 (en) * | 2004-06-17 | 2006-10-10 | Siemens Power Generation, Inc. | Gas turbine airfoil trailing edge corner |
US7175391B2 (en) * | 2004-07-08 | 2007-02-13 | United Technologies Corporation | Turbine blade |
US20070009358A1 (en) * | 2005-05-31 | 2007-01-11 | Atul Kohli | Cooled airfoil with reduced internal turn losses |
US7837440B2 (en) * | 2005-06-16 | 2010-11-23 | General Electric Company | Turbine bucket tip cap |
GB0523469D0 (en) * | 2005-11-18 | 2005-12-28 | Rolls Royce Plc | Blades for gas turbine engines |
US20070122280A1 (en) * | 2005-11-30 | 2007-05-31 | General Electric Company | Method and apparatus for reducing axial compressor blade tip flow |
GB0524735D0 (en) * | 2005-12-03 | 2006-01-11 | Rolls Royce Plc | Turbine blade |
US7632071B2 (en) * | 2005-12-15 | 2009-12-15 | United Technologies Corporation | Cooled turbine blade |
US7431562B2 (en) * | 2005-12-21 | 2008-10-07 | General Electric Company | Method and apparatus for cooling gas turbine rotor blades |
US7431561B2 (en) * | 2006-02-16 | 2008-10-07 | General Electric Company | Method and apparatus for cooling gas turbine rotor blades |
JP2007292006A (ja) * | 2006-04-27 | 2007-11-08 | Hitachi Ltd | 内部に冷却通路を有するタービン翼 |
US7625178B2 (en) * | 2006-08-30 | 2009-12-01 | Honeywell International Inc. | High effectiveness cooled turbine blade |
US8202054B2 (en) * | 2007-05-18 | 2012-06-19 | Siemens Energy, Inc. | Blade for a gas turbine engine |
US7934906B2 (en) * | 2007-11-14 | 2011-05-03 | Siemens Energy, Inc. | Turbine blade tip cooling system |
WO2009109462A1 (de) * | 2008-03-07 | 2009-09-11 | Alstom Technology Ltd | Schaufel für eine gasturbine |
EP2143883A1 (de) * | 2008-07-10 | 2010-01-13 | Siemens Aktiengesellschaft | Turbinenschaufel und entsprechender Gusskern |
US8096770B2 (en) * | 2008-09-25 | 2012-01-17 | Siemens Energy, Inc. | Trailing edge cooling for turbine blade airfoil |
US8096768B1 (en) * | 2009-02-04 | 2012-01-17 | Florida Turbine Technologies, Inc. | Turbine blade with trailing edge impingement cooling |
FR2954798B1 (fr) * | 2009-12-31 | 2012-03-30 | Snecma | Aube a ventilation interieure |
GB201102719D0 (en) * | 2011-02-17 | 2011-03-30 | Rolls Royce Plc | Cooled component for the turbine of a gas turbine engine |
EP2682565B8 (de) | 2012-07-02 | 2016-09-21 | General Electric Technology GmbH | Gekühlte Schaufel für eine Gasturbine |
US20140219813A1 (en) * | 2012-09-14 | 2014-08-07 | Rafael A. Perez | Gas turbine engine serpentine cooling passage |
US20140093388A1 (en) * | 2012-09-28 | 2014-04-03 | Solar Turbines Incorporated | Cooled turbine blade with leading edge flow deflection and division |
US9228439B2 (en) * | 2012-09-28 | 2016-01-05 | Solar Turbines Incorporated | Cooled turbine blade with leading edge flow redirection and diffusion |
EP2832956A1 (de) * | 2013-07-29 | 2015-02-04 | Siemens Aktiengesellschaft | Turbinenschaufel mit tragflächenprofilförmigen Kühlkörpern |
US20160341046A1 (en) * | 2014-05-29 | 2016-11-24 | General Electric Company | Dust holes |
US9726023B2 (en) | 2015-01-26 | 2017-08-08 | United Technologies Corporation | Airfoil support and cooling scheme |
JP2018512535A (ja) | 2015-03-17 | 2018-05-17 | シーメンス エナジー インコーポレイテッド | 非束縛的な流れ変向ガイド構造を有するタービンブレード |
WO2016160029A1 (en) | 2015-04-03 | 2016-10-06 | Siemens Aktiengesellschaft | Turbine blade trailing edge with low flow framing channel |
US10808547B2 (en) * | 2016-02-08 | 2020-10-20 | General Electric Company | Turbine engine airfoil with cooling |
GB2553331A (en) * | 2016-09-02 | 2018-03-07 | Rolls Royce Plc | Gas turbine engine |
US11021967B2 (en) * | 2017-04-03 | 2021-06-01 | General Electric Company | Turbine engine component with a core tie hole |
DE102017209629A1 (de) * | 2017-06-08 | 2018-12-13 | Siemens Aktiengesellschaft | Gekühlte Turbinenschaufel |
US10815791B2 (en) * | 2017-12-13 | 2020-10-27 | Solar Turbines Incorporated | Turbine blade cooling system with upper turning vane bank |
US10787932B2 (en) * | 2018-07-13 | 2020-09-29 | Honeywell International Inc. | Turbine blade with dust tolerant cooling system |
DE102019125779B4 (de) * | 2019-09-25 | 2024-03-21 | Man Energy Solutions Se | Schaufel einer Strömungsmaschine |
CN112746872B (zh) * | 2021-01-12 | 2022-06-17 | 南京航空航天大学 | 适用于涡轮叶片尾缘部分的贯通式连续折板结构 |
US20230250725A1 (en) * | 2021-07-02 | 2023-08-10 | Raytheon Technologies Corporation | Cooling arrangement for gas turbine engine component |
CN113550794B (zh) * | 2021-09-10 | 2022-12-06 | 中国航发湖南动力机械研究所 | 一种涡轮转子叶片的多腔高效冷却结构及其冷却方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2336952C2 (de) * | 1972-09-01 | 1983-12-15 | General Electric Co., Schenectady, N.Y. | Flüssigkeitsgekühlte Gasturbine |
EP0475658A1 (de) * | 1990-09-06 | 1992-03-18 | General Electric Company | Turbinenschaufel mit serieller Stossstrahlkühlung durch interne kammerformende Rippen |
US5403159A (en) * | 1992-11-30 | 1995-04-04 | United Technoligies Corporation | Coolable airfoil structure |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1188401A (en) | 1966-02-26 | 1970-04-15 | Gen Electric | Cooled Vane Structure for High Temperature Turbines |
US3628885A (en) | 1969-10-01 | 1971-12-21 | Gen Electric | Fluid-cooled airfoil |
GB1551678A (en) | 1978-03-20 | 1979-08-30 | Rolls Royce | Cooled rotor blade for a gas turbine engine |
US4278400A (en) * | 1978-09-05 | 1981-07-14 | United Technologies Corporation | Coolable rotor blade |
US4775296A (en) * | 1981-12-28 | 1988-10-04 | United Technologies Corporation | Coolable airfoil for a rotary machine |
US4474532A (en) * | 1981-12-28 | 1984-10-02 | United Technologies Corporation | Coolable airfoil for a rotary machine |
GB2165315B (en) | 1984-10-04 | 1987-12-31 | Rolls Royce | Improvements in or relating to hollow fluid cooled turbine blades |
JPS62228603A (ja) * | 1986-03-31 | 1987-10-07 | Toshiba Corp | ガスタ−ビンの翼 |
JP3666602B2 (ja) * | 1992-11-24 | 2005-06-29 | ユナイテッド・テクノロジーズ・コーポレイション | 冷却可能なエアフォイル構造 |
US5498126A (en) * | 1994-04-28 | 1996-03-12 | United Technologies Corporation | Airfoil with dual source cooling |
US5599166A (en) | 1994-11-01 | 1997-02-04 | United Technologies Corporation | Core for fabrication of gas turbine engine airfoils |
US5931638A (en) * | 1997-08-07 | 1999-08-03 | United Technologies Corporation | Turbomachinery airfoil with optimized heat transfer |
US5902093A (en) | 1997-08-22 | 1999-05-11 | General Electric Company | Crack arresting rotor blade |
US6220817B1 (en) * | 1997-11-17 | 2001-04-24 | General Electric Company | AFT flowing multi-tier airfoil cooling circuit |
DE19860788A1 (de) * | 1998-12-30 | 2000-07-06 | Abb Alstom Power Ch Ag | Kühlbare Schaufel für eine Gasturbine |
-
1999
- 1999-05-10 DE DE19921644A patent/DE19921644B4/de not_active Expired - Fee Related
-
2000
- 2000-04-19 US US09/552,567 patent/US6347923B1/en not_active Expired - Lifetime
- 2000-04-20 GB GB0009923A patent/GB2349920B/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2336952C2 (de) * | 1972-09-01 | 1983-12-15 | General Electric Co., Schenectady, N.Y. | Flüssigkeitsgekühlte Gasturbine |
EP0475658A1 (de) * | 1990-09-06 | 1992-03-18 | General Electric Company | Turbinenschaufel mit serieller Stossstrahlkühlung durch interne kammerformende Rippen |
US5403159A (en) * | 1992-11-30 | 1995-04-04 | United Technoligies Corporation | Coolable airfoil structure |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1247939A1 (de) * | 2001-04-06 | 2002-10-09 | Siemens Aktiengesellschaft | Verfahren zur Herstellung einer Turbinenschaufel sowie Turbinenschaufel |
US6619912B2 (en) | 2001-04-06 | 2003-09-16 | Siemens Aktiengesellschaft | Turbine blade or vane |
Also Published As
Publication number | Publication date |
---|---|
GB2349920A (en) | 2000-11-15 |
DE19921644B4 (de) | 2012-01-05 |
GB0009923D0 (en) | 2000-06-07 |
GB2349920B (en) | 2003-06-25 |
US6347923B1 (en) | 2002-02-19 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
OM8 | Search report available as to paragraph 43 lit. 1 sentence 1 patent law | ||
8127 | New person/name/address of the applicant |
Owner name: ALSTOM, PARIS, FR |
|
8128 | New person/name/address of the agent |
Representative=s name: ROESLER, U., DIPL.-PHYS.UNIV., PAT.-ANW., 81241 MU |
|
8110 | Request for examination paragraph 44 | ||
R018 | Grant decision by examination section/examining division | ||
R020 | Patent grant now final |
Effective date: 20120406 |
|
R082 | Change of representative |
Representative=s name: ROESLER PATENTANWALTSKANZLEI, DE |
|
R081 | Change of applicant/patentee |
Owner name: ALSTOM TECHNOLOGY LTD., CH Free format text: FORMER OWNER: ALSTOM, PARIS, FR Effective date: 20130508 Owner name: GENERAL ELECTRIC TECHNOLOGY GMBH, CH Free format text: FORMER OWNER: ALSTOM, PARIS, FR Effective date: 20130508 Owner name: ANSALDO ENERGIA IP UK LIMITED, GB Free format text: FORMER OWNER: ALSTOM, PARIS, FR Effective date: 20130508 |
|
R082 | Change of representative |
Representative=s name: ROESLER PATENTANWALTSKANZLEI, DE Effective date: 20130508 |
|
R081 | Change of applicant/patentee |
Owner name: GENERAL ELECTRIC TECHNOLOGY GMBH, CH Free format text: FORMER OWNER: ALSTOM TECHNOLOGY LTD., BADEN, CH Owner name: ANSALDO ENERGIA IP UK LIMITED, GB Free format text: FORMER OWNER: ALSTOM TECHNOLOGY LTD., BADEN, CH |
|
R082 | Change of representative |
Representative=s name: ROESLER PATENTANWALTSKANZLEI, DE |
|
R081 | Change of applicant/patentee |
Owner name: ANSALDO ENERGIA IP UK LIMITED, GB Free format text: FORMER OWNER: GENERAL ELECTRIC TECHNOLOGY GMBH, BADEN, CH |
|
R082 | Change of representative |
Representative=s name: ROESLER PATENTANWALTSKANZLEI, DE |
|
R119 | Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee |