JP4641766B2 - ガスタービンエンジンのロータ組立体を冷却するための方法及び装置 - Google Patents
ガスタービンエンジンのロータ組立体を冷却するための方法及び装置 Download PDFInfo
- Publication number
- JP4641766B2 JP4641766B2 JP2004253718A JP2004253718A JP4641766B2 JP 4641766 B2 JP4641766 B2 JP 4641766B2 JP 2004253718 A JP2004253718 A JP 2004253718A JP 2004253718 A JP2004253718 A JP 2004253718A JP 4641766 B2 JP4641766 B2 JP 4641766B2
- Authority
- JP
- Japan
- Prior art keywords
- side wall
- platform
- shank
- rotor
- 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.)
- 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
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2240/00—Components
- F05B2240/80—Platforms for stationary or moving blades
- F05B2240/801—Platforms for stationary or moving blades 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
- F05D2240/00—Components
- F05D2240/80—Platforms for stationary or moving blades
- F05D2240/81—Cooled platforms
-
- 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
52 ロータブレード
54 ロータブレード正圧側面
56 ロータブレード負圧側面
60 翼形部
62 プラットフォーム
64 シャンク
66 ダブテール
74 翼形部前縁
76 翼形部後縁
78 ブレード根元
80 翼形部先端
82 冷却チャンバ
90 上流スカート
92 下流スカート
94 プラットフォーム正圧側縁部
96 プラットフォーム負圧側縁部
100 前方エンゼル翼
102 後方エンゼル翼
120 シャンク凹状側壁
122 シャンク凸状側壁
124 ロータブレード上流側壁
126 ロータブレード下流側壁
130 冷却回路
132 第1の冷却孔
134 第2の冷却孔
Claims (2)
- ロータディスク(26)に結合された複数のロータブレード(52)を有するロータ組立体(22)を含むガスタービンエンジン(10)であって、
前記複数のロータブレードの各々が、
凸状の負圧側壁(70)及び凹状の正圧側壁(72)を備える翼形部(60)と、
ダブテール(66)と、
上流側壁(124)と下流側壁(126)とによって接合された前記負圧側壁(70)側の第1側壁(120)と前記正圧側壁(72)側の第2側壁(122)と備えるシャンク(64)と、
下流に延びる後方エンゼル翼(100)を備え、前記シャンクと前記翼形部との間で延びるプラットフォーム(62)と
を含み、
前記ダブテールが前記シャンクから内向きに延び、
前記複数のロータブレードの少なくとも1つが、冷却空気を供給して該ロータブレードの一部をインピンジメント冷却しかつパージ空気を前記プラットフォームの下流側に供給するように前記シャンクを貫通して延びる冷却回路(130)をさらに含み、
前記ガスタービンエンジン(10)は、さらに、前記複数のロータブレード(52)の下流側に位置するバッファ空洞(110)を含み、
前記プラットフォーム(62)の各々が、前記バッファ空洞の一部を形成するようになっており、
前記冷却回路(130)が、第1の孔(132)を含み、
前記第1の孔(132)は、前記冷却回路(130)と流れ連通し、冷却空気を導いて前記プラットフォームの一部をインピンジメント冷却するように前記第1側壁(120)を貫通して延び、
前記第2側壁(122)には、第2の孔(134)が設けられ、該第2の孔は、該第2の孔から前記バッファ空洞(110)内に冷却流を導くように、前記後方エンゼル翼(102)と前記ダブテール(66)との間に位置する吐出側まで前記第2側壁(122)を貫通して延びている、
ガスタービンエンジン(10)。 - 前記プラットフォームは、下流側スカート(90)と、上流側スカート(92)と、該上流側スカート(92)から上流に延びる前方エンゼル翼(100)を更に含み、
前記後方エンゼル翼は、前記下流側スカートから延びており、
前記下流側スカート(90)は、前記バッファ空洞(110)を密封することを特徴とする、請求項1に記載のガスタービンエンジン(10)。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/653,519 US6923616B2 (en) | 2003-09-02 | 2003-09-02 | Methods and apparatus for cooling gas turbine engine rotor assemblies |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005076636A JP2005076636A (ja) | 2005-03-24 |
JP4641766B2 true JP4641766B2 (ja) | 2011-03-02 |
Family
ID=34136650
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004253718A Expired - Fee Related JP4641766B2 (ja) | 2003-09-02 | 2004-09-01 | ガスタービンエンジンのロータ組立体を冷却するための方法及び装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US6923616B2 (ja) |
EP (1) | EP1512835B1 (ja) |
JP (1) | JP4641766B2 (ja) |
CN (1) | CN100365257C (ja) |
DE (1) | DE602004025887D1 (ja) |
Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7424021B2 (en) * | 2003-01-31 | 2008-09-09 | Hewlett-Packard Development Company, L.P. | Method and apparatus for processing network topology data |
US7600972B2 (en) * | 2003-10-31 | 2009-10-13 | General Electric Company | Methods and apparatus for cooling gas turbine engine rotor assemblies |
US7104762B2 (en) * | 2004-01-06 | 2006-09-12 | General Electric Company | Reduced weight control stage for a high temperature steam turbine |
FR2877034B1 (fr) * | 2004-10-27 | 2009-04-03 | Snecma Moteurs Sa | Aube de rotor d'une turbine a gaz |
US7465152B2 (en) * | 2005-09-16 | 2008-12-16 | General Electric Company | Angel wing seals for turbine blades and methods for selecting stator, rotor and wing seal profiles |
US7513738B2 (en) * | 2006-02-15 | 2009-04-07 | General Electric Company | Methods and apparatus for cooling gas turbine rotor blades |
US8128365B2 (en) | 2007-07-09 | 2012-03-06 | Siemens Energy, Inc. | Turbine airfoil cooling system with rotor impingement cooling |
EP2093381A1 (en) | 2008-02-25 | 2009-08-26 | Siemens Aktiengesellschaft | Turbine blade or vane with cooled platform |
CH699999A1 (de) * | 2008-11-26 | 2010-05-31 | Alstom Technology Ltd | Gekühlte schaufel für eine gasturbine. |
US8292587B2 (en) * | 2008-12-18 | 2012-10-23 | Honeywell International Inc. | Turbine blade assemblies and methods of manufacturing the same |
US8312729B2 (en) * | 2009-09-21 | 2012-11-20 | Honeywell International Inc. | Flow discouraging systems and gas turbine engines |
GB2486488A (en) | 2010-12-17 | 2012-06-20 | Ge Aviat Systems Ltd | Testing a transient voltage protection device |
US20130039772A1 (en) * | 2011-08-08 | 2013-02-14 | General Electric Company | System and method for controlling flow in turbomachinery |
US9039382B2 (en) | 2011-11-29 | 2015-05-26 | General Electric Company | Blade skirt |
US9243500B2 (en) | 2012-06-29 | 2016-01-26 | United Technologies Corporation | Turbine blade platform with U-channel cooling holes |
US9353629B2 (en) * | 2012-11-30 | 2016-05-31 | Solar Turbines Incorporated | Turbine blade apparatus |
KR101392743B1 (ko) | 2012-12-20 | 2014-05-09 | 한국항공우주연구원 | 터빈 엔진용 로터 블레이드 |
US10760491B2 (en) | 2013-02-28 | 2020-09-01 | Raytheon Technologies Corporation | Method and apparatus for handling pre-diffuser airflow for use in adjusting a temperature profile |
FR3009589B1 (fr) * | 2013-08-12 | 2015-09-04 | Snecma | Aube de redresseur de turbomachine |
US20160146016A1 (en) * | 2014-11-24 | 2016-05-26 | General Electric Company | Rotor rim impingement cooling |
CN104654357B (zh) * | 2015-01-23 | 2020-01-03 | 北京华清燃气轮机与煤气化联合循环工程技术有限公司 | 燃气轮机燃烧室 |
EP3059394B1 (en) * | 2015-02-18 | 2019-10-30 | Ansaldo Energia Switzerland AG | Turbine blade and set of turbine blades |
US10934865B2 (en) * | 2017-01-13 | 2021-03-02 | Rolls-Royce Corporation | Cooled single walled blisk for gas turbine engine |
US10247015B2 (en) * | 2017-01-13 | 2019-04-02 | Rolls-Royce Corporation | Cooled blisk with dual wall blades for gas turbine engine |
US11085309B2 (en) * | 2017-09-22 | 2021-08-10 | General Electric Company | Outer drum rotor assembly |
US10882158B2 (en) * | 2019-01-29 | 2021-01-05 | General Electric Company | Peening coated internal surfaces of turbomachine components |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002129905A (ja) * | 2000-07-31 | 2002-05-09 | General Electric Co <Ge> | タンデム冷却のタービンブレード |
JP2002235502A (ja) * | 2000-11-03 | 2002-08-23 | General Electric Co <Ge> | ガスタービンエンジン用タービンブレード及び該タービンブレードを冷却する方法 |
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US4726104A (en) * | 1986-11-20 | 1988-02-23 | United Technologies Corporation | Methods for weld repairing hollow, air cooled turbine blades and vanes |
FR2678318B1 (fr) * | 1991-06-25 | 1993-09-10 | Snecma | Aube refroidie de distributeur de turbine. |
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DE69505407T2 (de) * | 1994-08-24 | 1999-05-27 | Westinghouse Electric Corp., Pittsburgh, Pa. | Gasturbinenschaufel mit gekühlter plattform |
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US5669759A (en) * | 1995-02-03 | 1997-09-23 | United Technologies Corporation | Turbine airfoil with enhanced cooling |
FR2743391B1 (fr) * | 1996-01-04 | 1998-02-06 | Snecma | Aube refrigeree de distributeur de turbine |
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-
2003
- 2003-09-02 US US10/653,519 patent/US6923616B2/en not_active Expired - Lifetime
-
2004
- 2004-09-01 JP JP2004253718A patent/JP4641766B2/ja not_active Expired - Fee Related
- 2004-09-01 DE DE602004025887T patent/DE602004025887D1/de not_active Expired - Lifetime
- 2004-09-01 EP EP04255280A patent/EP1512835B1/en not_active Expired - Lifetime
- 2004-09-02 CN CNB200410075151XA patent/CN100365257C/zh not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2002129905A (ja) * | 2000-07-31 | 2002-05-09 | General Electric Co <Ge> | タンデム冷却のタービンブレード |
JP2002235502A (ja) * | 2000-11-03 | 2002-08-23 | General Electric Co <Ge> | ガスタービンエンジン用タービンブレード及び該タービンブレードを冷却する方法 |
Also Published As
Publication number | Publication date |
---|---|
DE602004025887D1 (de) | 2010-04-22 |
EP1512835B1 (en) | 2010-03-10 |
US6923616B2 (en) | 2005-08-02 |
EP1512835A3 (en) | 2006-07-26 |
CN100365257C (zh) | 2008-01-30 |
US20050047906A1 (en) | 2005-03-03 |
EP1512835A2 (en) | 2005-03-09 |
JP2005076636A (ja) | 2005-03-24 |
CN1590710A (zh) | 2005-03-09 |
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