JP2006523803A - シュラウド付きタービンブレード上で中央に位置する切削刃 - Google Patents
シュラウド付きタービンブレード上で中央に位置する切削刃 Download PDFInfo
- Publication number
- JP2006523803A JP2006523803A JP2006510099A JP2006510099A JP2006523803A JP 2006523803 A JP2006523803 A JP 2006523803A JP 2006510099 A JP2006510099 A JP 2006510099A JP 2006510099 A JP2006510099 A JP 2006510099A JP 2006523803 A JP2006523803 A JP 2006523803A
- Authority
- JP
- Japan
- Prior art keywords
- shroud
- seal
- airfoil
- cutting blade
- 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.)
- Pending
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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
- F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
- F01D11/08—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator
- F01D11/12—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator using a rubstrip, e.g. erodible. deformable or resiliently-biased part
- F01D11/122—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator using a rubstrip, e.g. erodible. deformable or resiliently-biased part with erodable or abradable material
- F01D11/125—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator using a rubstrip, e.g. erodible. deformable or resiliently-biased part with erodable or abradable material with a reinforcing structure
-
- 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
- F01D5/20—Specially-shaped blade tips to seal space between tips and stator
-
- 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
- F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
- F01D11/08—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator
- F01D11/12—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator using a rubstrip, e.g. erodible. deformable or resiliently-biased part
-
- 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
- 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
- F05B2240/20—Rotors
- F05B2240/30—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor
- F05B2240/31—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor of changeable form or 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
- F05D2240/00—Components
- F05D2240/55—Seals
-
- 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
- F05D2260/60—Fluid transfer
- F05D2260/602—Drainage
- F05D2260/6022—Drainage of leakage having past a seal
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Abstract
Description
26 溝
28 固定シュラウド
30 ハニカム
40 シュラウド
44 切削刃
Claims (10)
- チップシュラウド(10)を有するエーロフォイル(12)と、
前記シュラウドから径方向外向きに突出し、タービン軸を中心とする前記エーロフォイルの回転方向に前記シュラウドの端縁部間に連続して延在するシール(24)と、
反対側の固定シュラウド(28)に溝(26)を切削するために、前記シュラウドに支持され、少なくとも前記シールの一方の側部に向けて前記タービン軸にほぼ垂直な方向に突出する切削刃(32)であって、前記シールの方向に前記シールの長さより短い別個の長さを有し、前記シュラウドの端部の中間に位置する切削刃(32)と、
を含むタービン動翼。 - 前記切削刃が、実質的に前記シールの長さの中央に配置される、請求項1記載のタービン動翼。
- 前記切削刃が、前記エーロフォイルの一部と径方向に整合して配置される、請求項1記載のタービン動翼。
- 前記切削刃が、前記シールの反対側に向けて突出する、請求項1記載のタービン動翼。
- 前記切削刃が、前記エーロフォイルの一部と径方向に整合して配置され、かつ前記シールの反対側に向けて突出する、請求項1記載のタービン動翼。
- チップシュラウド(10)を有するエーロフォイル(12)と、
前記シュラウドから径方向外向きに突出し、タービン軸を中心とする前記エーロフォイルの回転方向に前記シュラウドの端縁部間に連続して延在するシール(24)と、
反対側の固定シュラウド(28)に溝(26)を切削するために、前記シュラウドに支持され、少なくとも前記シールの一方の側部に向けて前記タービン軸にほぼ垂直な方向に突出する切削刃(32)であって、前記シールの方向に前記シールの長さより短い別個の長さを有し、実質的に前記シールの長さの中央に配置される切削刃(32)と
を含むタービン動翼。 - 前記切削刃が、前記エーロフォイルの一部と径方向に整合して配置される、請求項6記載のタービン動翼。
- 前記切削刃が、前記エーロフォイルの一部と径方向に整合して配置され、かつ前記シールの反対側に向けて突出する、請求項6記載のタービン動翼。
- 前記切削刃が、実質的に、エーロフォイルの質量中心を通る半径ラインと径方向に整合されて位置する、請求項6記載のタービン動翼。
- チップシュラウド(10)を有するエーロフォイル(12)と、
前記シュラウドから径方向外向きに突出し、前記シュラウドの端縁部間でタービン軸を中心とする前記エーロフォイルの回転方向に連続して延在するシール(24)と、
反対側の固定シュラウド(28)に溝(26)を切削するために、前記シュラウドに支持され、少なくとも前記シールの一方の側部に向けて前記タービン軸にほぼ垂直な方向に突出する切削刃(32)であって、前記シールの方向に前記シールの長さより短い別個の長さを有し、実質的に、エーロフォイルの質量中心を通る半径ラインと径方向に整合されて位置する切削刃(32)と
を含むタービン動翼。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/418,116 US6805530B1 (en) | 2003-04-18 | 2003-04-18 | Center-located cutter teeth on shrouded turbine blades |
PCT/US2004/011708 WO2004094789A1 (en) | 2003-04-18 | 2004-04-15 | Center-located cutter teeth on shrouded turbine blades |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2006523803A true JP2006523803A (ja) | 2006-10-19 |
Family
ID=33131477
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006510099A Pending JP2006523803A (ja) | 2003-04-18 | 2004-04-15 | シュラウド付きタービンブレード上で中央に位置する切削刃 |
Country Status (8)
Country | Link |
---|---|
US (1) | US6805530B1 (ja) |
JP (1) | JP2006523803A (ja) |
KR (1) | KR20060003358A (ja) |
CN (1) | CN100343488C (ja) |
CZ (1) | CZ2005655A3 (ja) |
DE (1) | DE112004000657T5 (ja) |
RU (1) | RU2005135853A (ja) |
WO (1) | WO2004094789A1 (ja) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6893216B2 (en) * | 2003-07-17 | 2005-05-17 | General Electric Company | Turbine bucket tip shroud edge profile |
US6913445B1 (en) * | 2003-12-12 | 2005-07-05 | General Electric Company | Center located cutter teeth on shrouded turbine blades |
US7066713B2 (en) * | 2004-01-31 | 2006-06-27 | United Technologies Corporation | Rotor blade for a rotary machine |
US7134838B2 (en) * | 2004-01-31 | 2006-11-14 | United Technologies Corporation | Rotor blade for a rotary machine |
US7396205B2 (en) | 2004-01-31 | 2008-07-08 | United Technologies Corporation | Rotor blade for a rotary machine |
US7094023B2 (en) * | 2004-02-09 | 2006-08-22 | United Technologies Corporation | Shroud honeycomb cutter |
US7094032B2 (en) * | 2004-02-26 | 2006-08-22 | Richard Seleski | Turbine blade shroud cutter tip |
US7686568B2 (en) * | 2006-09-22 | 2010-03-30 | General Electric Company | Methods and apparatus for fabricating turbine engines |
US7901180B2 (en) * | 2007-05-07 | 2011-03-08 | United Technologies Corporation | Enhanced turbine airfoil cooling |
US9009965B2 (en) * | 2007-05-24 | 2015-04-21 | General Electric Company | Method to center locate cutter teeth on shrouded turbine blades |
US20090097979A1 (en) * | 2007-07-31 | 2009-04-16 | Omer Duane Erdmann | Rotor blade |
DE102008061800A1 (de) * | 2008-12-11 | 2010-06-17 | Rolls-Royce Deutschland Ltd & Co Kg | Segmentierte Dichtlippen für Labyrinthdichtungsringe |
CN101431472B (zh) * | 2008-12-15 | 2011-05-25 | 中兴通讯股份有限公司 | 媒体访问控制条目的处理方法和装置 |
US8192166B2 (en) * | 2009-05-12 | 2012-06-05 | Siemens Energy, Inc. | Tip shrouded turbine blade with sealing rail having non-uniform thickness |
CH702980A1 (de) * | 2010-03-31 | 2011-10-14 | Alstom Technology Ltd | Dichtstruktur an einem Deckband einer Turbinenlaufschaufel. |
CN102926819A (zh) * | 2012-10-23 | 2013-02-13 | 如皋透平叶片制造有限公司 | 一种汽轮机叶片防窜动叶冠 |
US9863249B2 (en) | 2012-12-04 | 2018-01-09 | Siemens Energy, Inc. | Pre-sintered preform repair of turbine blades |
US9903210B2 (en) * | 2013-05-21 | 2018-02-27 | Siemens Energy, Inc. | Turbine blade tip shroud |
US9828858B2 (en) | 2013-05-21 | 2017-11-28 | Siemens Energy, Inc. | Turbine blade airfoil and tip shroud |
US9464530B2 (en) | 2014-02-20 | 2016-10-11 | General Electric Company | Turbine bucket and method for balancing a tip shroud of a turbine bucket |
WO2017020178A1 (en) * | 2015-07-31 | 2017-02-09 | General Electric Company | Cooling arrangements in turbine blades |
US10648346B2 (en) * | 2016-07-06 | 2020-05-12 | General Electric Company | Shroud configurations for turbine rotor blades |
JP2021110291A (ja) * | 2020-01-10 | 2021-08-02 | 三菱重工業株式会社 | 動翼、及び軸流回転機械 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08303204A (ja) * | 1995-05-08 | 1996-11-19 | Ishikawajima Harima Heavy Ind Co Ltd | ガスタービンの動翼シール構造 |
WO2002025065A1 (de) * | 2000-09-25 | 2002-03-28 | Alstom (Switzerland) Ltd | Dichtungsanordnung |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5083903A (en) * | 1990-07-31 | 1992-01-28 | General Electric Company | Shroud insert for turbomachinery blade |
DE59202211D1 (de) * | 1991-08-08 | 1995-06-22 | Asea Brown Boveri | Deckblatt für axialdurchströmte Turbine. |
EP0536575B1 (de) * | 1991-10-08 | 1995-04-05 | Asea Brown Boveri Ag | Deckband für axialdurchströmte Turbine |
JPH0861092A (ja) * | 1994-08-12 | 1996-03-05 | Ishikawajima Harima Heavy Ind Co Ltd | ガスタービンの動翼シール構造 |
DE19933445C2 (de) * | 1999-07-16 | 2001-12-13 | Mtu Aero Engines Gmbh | Dichtring für nicht- hermetische Fluiddichtungen |
JP2001055902A (ja) * | 1999-08-18 | 2001-02-27 | Toshiba Corp | タービン動翼 |
US6506022B2 (en) | 2001-04-27 | 2003-01-14 | General Electric Company | Turbine blade having a cooled tip shroud |
-
2003
- 2003-04-18 US US10/418,116 patent/US6805530B1/en not_active Expired - Fee Related
-
2004
- 2004-04-15 CZ CZ20050655A patent/CZ2005655A3/cs unknown
- 2004-04-15 WO PCT/US2004/011708 patent/WO2004094789A1/en active Application Filing
- 2004-04-15 CN CNB2004800098659A patent/CN100343488C/zh not_active Expired - Fee Related
- 2004-04-15 KR KR1020057019785A patent/KR20060003358A/ko not_active Application Discontinuation
- 2004-04-15 RU RU2005135853/06A patent/RU2005135853A/ru not_active Application Discontinuation
- 2004-04-15 DE DE112004000657T patent/DE112004000657T5/de not_active Withdrawn
- 2004-04-15 JP JP2006510099A patent/JP2006523803A/ja active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08303204A (ja) * | 1995-05-08 | 1996-11-19 | Ishikawajima Harima Heavy Ind Co Ltd | ガスタービンの動翼シール構造 |
WO2002025065A1 (de) * | 2000-09-25 | 2002-03-28 | Alstom (Switzerland) Ltd | Dichtungsanordnung |
Also Published As
Publication number | Publication date |
---|---|
CZ2005655A3 (cs) | 2006-03-15 |
DE112004000657T5 (de) | 2007-02-22 |
US6805530B1 (en) | 2004-10-19 |
WO2004094789A1 (en) | 2004-11-04 |
US20040208743A1 (en) | 2004-10-21 |
CN1774560A (zh) | 2006-05-17 |
CN100343488C (zh) | 2007-10-17 |
KR20060003358A (ko) | 2006-01-10 |
RU2005135853A (ru) | 2006-03-10 |
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