JP5421572B2 - タービンブレード用のz形ノッチ形状 - Google Patents
タービンブレード用のz形ノッチ形状 Download PDFInfo
- Publication number
- JP5421572B2 JP5421572B2 JP2008285037A JP2008285037A JP5421572B2 JP 5421572 B2 JP5421572 B2 JP 5421572B2 JP 2008285037 A JP2008285037 A JP 2008285037A JP 2008285037 A JP2008285037 A JP 2008285037A JP 5421572 B2 JP5421572 B2 JP 5421572B2
- Authority
- JP
- Japan
- Prior art keywords
- turbine
- bucket
- shaped notch
- tip shroud
- values
- 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
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
- F01D5/22—Blade-to-blade connections, e.g. for damping vibrations
-
- 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
- F01D5/141—Shape, i.e. outer, aerodynamic form
-
- 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
- F01D5/22—Blade-to-blade connections, e.g. for damping vibrations
- F01D5/225—Blade-to-blade connections, e.g. for damping vibrations by shrouding
-
- 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
- F05D2250/74—Shape given by a set or table of xyz-coordinates
-
- 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)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Description
2 圧縮機
3 燃焼器
4 タービン
5 シャフト
6 発電機
7 段
8 シュラウドリング
9 ケーシング
11 クリアランス
22 支持レッグ
20 バケット
Claims (8)
- 表1に記載のデカルト座標値X、Y及びZによるZ形ノッチ輪郭を含む前縁及び後縁を備えた先端シュラウドを含み、
前記座標値が、バケット(20)についての内部座標系の原点からの距離を表わす寸法値であり、前記X及びY値を滑らかな連続円弧で結んだときに前記Z形ノッチ輪郭が規定される、タービン(1)バケット(20)。 - タービン(1)の第2の段(7)の一部を形成する、請求項1に記載のタービン(1)バケット(20)。
- 前記先端シュラウドが、軸方向に間隔を置いて配置されたシールを含む、請求項1に記載のタービン(1)バケット(20)。
- Z形ノッチフィレット半径が2.29mmである、請求項1に記載のタービン(1)バケット(20)。
- 前記Z形ノッチ輪郭により低サイクル疲労、クリープ、及び高サイクル疲労のうちの少なくとも1つが低減される、請求項1に記載のタービン(1)バケット(20)。
- 前記座標値の何れか1つの公差が、前記X、Y及びZ方向の何れか1以上において±0.381mmである、請求項1に記載のタービン(1)バケット(20)。
- 複数のバケット(20)を有し、且つ前記各バケット(20)が、表1に記載のデカルト座標値X、Y及びZによるZ形ノッチ輪郭を含む前縁及び後縁を備えた先端シュラウドを有するタービン(1)ホイールを含むタービン(1)において、 前記Z値が、前記バケット(20)についての内部座標系の原点からの距離を表わす寸法値であり、前記X及びY値を滑らかな連続円弧で結んだときに前記Z形ノッチ輪郭が規定される、タービン(1)。
- 前記バケット(20)が、前記タービン(1)の第2段(7)の一部を形成する、請求項7に記載のタービン(1)。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/936,920 US7887295B2 (en) | 2007-11-08 | 2007-11-08 | Z-Notch shape for a turbine blade |
US11/936,920 | 2007-11-08 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009115091A JP2009115091A (ja) | 2009-05-28 |
JP5421572B2 true JP5421572B2 (ja) | 2014-02-19 |
Family
ID=40530744
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008285037A Expired - Fee Related JP5421572B2 (ja) | 2007-11-08 | 2008-11-06 | タービンブレード用のz形ノッチ形状 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7887295B2 (ja) |
JP (1) | JP5421572B2 (ja) |
CN (1) | CN101429875B (ja) |
CH (1) | CH698043B1 (ja) |
DE (1) | DE102008037521A1 (ja) |
Families Citing this family (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7976280B2 (en) * | 2007-11-28 | 2011-07-12 | General Electric Company | Turbine bucket shroud internal core profile |
US8057186B2 (en) * | 2008-04-22 | 2011-11-15 | General Electric Company | Shape for a turbine bucket tip shroud |
FR2950104B1 (fr) * | 2009-09-11 | 2011-12-09 | Snecma | Roue de turbomachine |
CH702980A1 (de) * | 2010-03-31 | 2011-10-14 | Alstom Technology Ltd | Dichtstruktur an einem Deckband einer Turbinenlaufschaufel. |
DE102010026084A1 (de) | 2010-07-05 | 2012-01-05 | Mtu Aero Engines Gmbh | Verfahren und Vorrichtung zum Auftragen von Materialschichten auf einem Werkstück aus TiAI |
FR2967714B1 (fr) * | 2010-11-22 | 2012-12-14 | Snecma | Aube mobile de turbomachine |
US9163519B2 (en) * | 2011-07-28 | 2015-10-20 | General Electric Company | Cap for ceramic blade tip shroud |
US8807928B2 (en) | 2011-10-04 | 2014-08-19 | General Electric Company | Tip shroud assembly with contoured seal rail fillet |
US10125613B2 (en) | 2012-12-28 | 2018-11-13 | United Technologies Corporation | Shrouded turbine blade with cut corner |
US9346101B2 (en) | 2013-03-15 | 2016-05-24 | Kennametal Inc. | Cladded articles and methods of making the same |
US9862029B2 (en) | 2013-03-15 | 2018-01-09 | Kennametal Inc | Methods of making metal matrix composite and alloy articles |
US9618002B1 (en) | 2013-09-27 | 2017-04-11 | University Of South Florida | Mini notched turbine generator |
US9464530B2 (en) * | 2014-02-20 | 2016-10-11 | General Electric Company | Turbine bucket and method for balancing a tip shroud of a turbine bucket |
US9611753B2 (en) | 2014-04-29 | 2017-04-04 | General Electric Company | Apparatus and method for inspecting a turbine blade tip shroud |
US20150354374A1 (en) * | 2014-06-09 | 2015-12-10 | General Electric Company | Turbine blisk and method of manufacturing thereof |
US10221702B2 (en) | 2015-02-23 | 2019-03-05 | Kennametal Inc. | Imparting high-temperature wear resistance to turbine blade Z-notches |
US9542739B1 (en) * | 2015-08-12 | 2017-01-10 | General Electric Company | Virtual turbomachine blade contact gap inspection |
US10519783B2 (en) * | 2016-12-22 | 2019-12-31 | General Electric Company | Method for modifying a shroud and blade |
US10598030B2 (en) * | 2017-01-10 | 2020-03-24 | General Electric Company | Assembly, treated article, and process of treating a turbine component |
US10513934B2 (en) * | 2017-01-19 | 2019-12-24 | General Electric Company | Z-notch shape for a turbine blade tip shroud |
US10400610B2 (en) * | 2017-02-14 | 2019-09-03 | General Electric Company | Turbine blade having a tip shroud notch |
US11117208B2 (en) | 2017-03-21 | 2021-09-14 | Kennametal Inc. | Imparting wear resistance to superalloy articles |
US11060407B2 (en) * | 2017-06-22 | 2021-07-13 | General Electric Company | Turbomachine rotor blade |
US10683759B2 (en) * | 2018-03-23 | 2020-06-16 | General Electric Company | Edge profiles for tip shrouds of turbine rotor blades |
US11713685B2 (en) * | 2021-03-09 | 2023-08-01 | General Electric Company | Turbine blade tip shroud with protrusion under wing |
US11821336B2 (en) | 2021-04-09 | 2023-11-21 | General Electric Company | Turbine blade tip shroud with axially offset cutter teeth, and related surface profiles and method |
US11371363B1 (en) * | 2021-06-04 | 2022-06-28 | General Electric Company | Turbine blade tip shroud surface profiles |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5980209A (en) * | 1997-06-27 | 1999-11-09 | General Electric Co. | Turbine blade with enhanced cooling and profile optimization |
US6471480B1 (en) * | 2001-04-16 | 2002-10-29 | United Technologies Corporation | Thin walled cooled hollow tip shroud |
US6685434B1 (en) * | 2002-09-17 | 2004-02-03 | General Electric Company | Second stage turbine bucket airfoil |
US6722851B1 (en) * | 2003-03-12 | 2004-04-20 | General Electric Company | Internal core profile for a turbine bucket |
US6893216B2 (en) * | 2003-07-17 | 2005-05-17 | General Electric Company | Turbine bucket tip shroud edge profile |
US6910868B2 (en) * | 2003-07-23 | 2005-06-28 | General Electric Company | Airfoil shape for a turbine bucket |
US6923623B2 (en) * | 2003-08-07 | 2005-08-02 | General Electric Company | Perimeter-cooled turbine bucket airfoil cooling hole location, style and configuration |
US6857853B1 (en) * | 2003-08-13 | 2005-02-22 | General Electric Company | Conical tip shroud fillet for a turbine bucket |
US6851931B1 (en) * | 2003-08-13 | 2005-02-08 | General Electric Company | Turbine bucket tip shroud edge profile |
US6910864B2 (en) * | 2003-09-03 | 2005-06-28 | General Electric Company | Turbine bucket airfoil cooling hole location, style and configuration |
US7063509B2 (en) * | 2003-09-05 | 2006-06-20 | General Electric Company | Conical tip shroud fillet for a turbine bucket |
US6994520B2 (en) * | 2004-05-26 | 2006-02-07 | General Electric Company | Internal core profile for a turbine nozzle airfoil |
US20060216144A1 (en) * | 2005-03-28 | 2006-09-28 | Sullivan Michael A | First and second stage turbine airfoil shapes |
-
2007
- 2007-11-08 US US11/936,920 patent/US7887295B2/en not_active Expired - Fee Related
-
2008
- 2008-10-20 CH CH01648/08A patent/CH698043B1/de not_active IP Right Cessation
- 2008-11-06 JP JP2008285037A patent/JP5421572B2/ja not_active Expired - Fee Related
- 2008-11-06 DE DE102008037521A patent/DE102008037521A1/de not_active Withdrawn
- 2008-11-07 CN CN2008101760976A patent/CN101429875B/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CH698043B1 (de) | 2013-11-15 |
DE102008037521A1 (de) | 2009-05-14 |
JP2009115091A (ja) | 2009-05-28 |
CN101429875A (zh) | 2009-05-13 |
US20090123268A1 (en) | 2009-05-14 |
US7887295B2 (en) | 2011-02-15 |
CH698043A2 (de) | 2009-05-15 |
CN101429875B (zh) | 2013-08-07 |
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