JP2007085344A - 翼端漏れ損失低減のための蒸気冷却型ガスタービン動翼 - Google Patents
翼端漏れ損失低減のための蒸気冷却型ガスタービン動翼 Download PDFInfo
- Publication number
- JP2007085344A JP2007085344A JP2006250275A JP2006250275A JP2007085344A JP 2007085344 A JP2007085344 A JP 2007085344A JP 2006250275 A JP2006250275 A JP 2006250275A JP 2006250275 A JP2006250275 A JP 2006250275A JP 2007085344 A JP2007085344 A JP 2007085344A
- Authority
- JP
- Japan
- Prior art keywords
- tip
- blade
- thermal barrier
- barrier coating
- radially outer
- 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
Images
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
- F01D5/20—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
- 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
-
- 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
- F01D5/28—Selecting particular materials; Particular measures relating thereto; Measures against erosion or corrosion
- F01D5/288—Protective coatings for blades
Abstract
【解決手段】蒸気タービン用の動翼は、エーロフォイル部分12を備え、半径方向外側の翼端18を持ち、半径方向外側の翼端は遮熱コーティング22を施され、遮熱コーティングは半径方向外側の翼端にそって少なくとも1つのリッジ26を形成するように再表面仕上げされる。翼端損失を低減すると、コンポーネントの効率が向上し、それにより、ガスタービンの効率および出力が高まる。
【選択図】図2
Description
10 動翼
12 エーロフォイル部分
14 圧力面
16 吸込面
18 外側の翼端
20 翼端キャップ
22 遮熱コーティング
30 コーティング材料
34 湾曲した面
41 リッジ
44 吸込側
26、28 リッジ
24、32 キャビティ
36、50 吸込側
38、52 圧力側
40、46、54 エーロフォイル
Claims (10)
- 半径方向外側の翼端(18)を持ち、前記半径方向外側の翼端は遮熱コーティング(22)を施され、前記遮熱コーティングは前記半径方向外側の翼端にそって少なくとも1つのリッジ(26)を形成するように再表面仕上げされる、エーロフォイル部分(12)を備える蒸気タービン用の動翼(10)。
- 前記遮熱コーティング(22)は、前記エーロフォイル部分(12)の圧力側および吸込側(14)、(16)の少なくとも1つにそって前記リッジ(26)を形成するように再表面仕上げされる請求項1記載の動翼。
- 前記遮熱コーティングは、前記エーロフォイル部分の前記圧力側および吸込側(14)、(16)の両方にそって延びるリッジ(26)、(28)を含むように再表面仕上げされる請求項1記載の動翼。
- 前記遮熱コーティング(22)は、前記半径方向外側の翼端の平均キャンバー線にそってリッジ(48)を形成するように再表面仕上げされる請求項1記載の動翼。
- 半径方向外側の翼端(18)を持ち、前記半径方向外側の翼端は遮熱コーティング(22)を施され、キャビティ(24)は前記半径方向外側の翼端にそって前記遮熱コーティングの中心部に形成される、エーロフォイル部分(12)を備える蒸気タービン用の動翼(10)。
- 前記キャビティ(24)は、前記エーロフォイル部分の少なくとも吸込側(16)にそってリッジ(28)を形成する請求項5記載の動翼。
- 前記キャビティは、前記エーロフォイル部分の少なくとも圧力側(14)にそってリッジ(24)を形成する請求項5記載の動翼。
- 前記キャビティ(24)は、前記翼端の周辺端部から内向きにオフセットされた、前記半径方向外側の翼端の周囲にリッジ(26)、(28)を形成する請求項5記載の動翼。
- タービン動翼(10)の半径方向外側の翼端(18)の翼端漏れ損失を低減する方法であって、
(a)動翼の半径方向外側の翼端(18)を遮熱コーティング(22)でコーティングすることと、
(b)前記遮熱コーティング(22)内に少なくとも1つの翼端漏れ損失低減特徴(24)を含むように遮熱コーティング(22)を再表面仕上げし、前記翼端の実質的全長を延長することとを含む方法。 - 前記少なくとも1つの翼端漏れ損失低減特徴(24)は、キャビティを含む請求項9記載の方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/228,241 US7922455B2 (en) | 2005-09-19 | 2005-09-19 | Steam-cooled gas turbine bucker for reduced tip leakage loss |
US11/228,241 | 2005-09-19 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007085344A true JP2007085344A (ja) | 2007-04-05 |
JP5143389B2 JP5143389B2 (ja) | 2013-02-13 |
Family
ID=37216163
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006250275A Expired - Fee Related JP5143389B2 (ja) | 2005-09-19 | 2006-09-15 | 翼端漏れ損失低減のための蒸気冷却型ガスタービン動翼 |
Country Status (4)
Country | Link |
---|---|
US (1) | US7922455B2 (ja) |
EP (1) | EP1764478A3 (ja) |
JP (1) | JP5143389B2 (ja) |
CN (1) | CN1936275B (ja) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20080317597A1 (en) * | 2007-06-25 | 2008-12-25 | General Electric Company | Domed tip cap and related method |
GB201017797D0 (en) * | 2010-10-21 | 2010-12-01 | Rolls Royce Plc | An aerofoil structure |
US8662849B2 (en) * | 2011-02-14 | 2014-03-04 | General Electric Company | Component of a turbine bucket platform |
US8807955B2 (en) * | 2011-06-30 | 2014-08-19 | United Technologies Corporation | Abrasive airfoil tip |
US9151169B2 (en) | 2012-03-29 | 2015-10-06 | General Electric Company | Near-flow-path seal isolation dovetail |
US9186757B2 (en) * | 2012-05-09 | 2015-11-17 | Siemens Energy, Inc. | Method of providing a turbine blade tip repair |
CN102680144B (zh) * | 2012-05-21 | 2014-04-02 | 东南大学 | 汽轮机中间分隔轴封漏汽率对机组热耗率影响的测算方法 |
US9464536B2 (en) | 2012-10-18 | 2016-10-11 | General Electric Company | Sealing arrangement for a turbine system and method of sealing between two turbine components |
WO2014099814A1 (en) * | 2012-12-17 | 2014-06-26 | General Electric Company | Robust turbine blades |
CN103541777B (zh) * | 2013-11-05 | 2015-05-06 | 南京航空航天大学 | 用于叶轮机械的叶片式无泄漏封严结构 |
US20150300180A1 (en) * | 2014-04-22 | 2015-10-22 | United Technologies Corporation | Gas turbine engine turbine blade tip with coated recess |
US10876415B2 (en) | 2014-06-04 | 2020-12-29 | Raytheon Technologies Corporation | Fan blade tip as a cutting tool |
US20160237831A1 (en) * | 2015-02-12 | 2016-08-18 | United Technologies Corporation | Abrasive blade tip with improved wear at high interaction rate |
US20160237832A1 (en) * | 2015-02-12 | 2016-08-18 | United Technologies Corporation | Abrasive blade tip with improved wear at high interaction rate |
US10107108B2 (en) | 2015-04-29 | 2018-10-23 | General Electric Company | Rotor blade having a flared tip |
US10047613B2 (en) | 2015-08-31 | 2018-08-14 | General Electric Company | Gas turbine components having non-uniformly applied coating and methods of assembling the same |
US10544698B2 (en) | 2016-06-20 | 2020-01-28 | United Technologies Corporation | Air seal abrasive coating and method |
US11078588B2 (en) | 2017-01-09 | 2021-08-03 | Raytheon Technologies Corporation | Pulse plated abrasive grit |
US10995623B2 (en) * | 2018-04-23 | 2021-05-04 | Rolls-Royce Corporation | Ceramic matrix composite turbine blade with abrasive tip |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60256502A (ja) * | 1984-04-27 | 1985-12-18 | ゼネラル・エレクトリツク・カンパニイ | 羽根の先端 |
JPS62186004A (ja) * | 1986-02-10 | 1987-08-14 | Toshiba Corp | 軸流タ−ビン |
EP0661415A1 (de) * | 1993-12-17 | 1995-07-05 | Sulzer Innotec Ag | Einrichtung mit rotierfähigem Körper, Gehäuse und dazwischen liegendem Dichtspalt |
US5756217A (en) * | 1994-09-16 | 1998-05-26 | Mtu Motoren-Und Turbinen Union Munchen Gmbh | Strip coatings for metal components of drive units and their process of manufacture |
JPH11247612A (ja) * | 1998-03-02 | 1999-09-14 | Mitsubishi Heavy Ind Ltd | 動翼のチップシンニング |
DE19824583A1 (de) * | 1998-06-02 | 1999-12-09 | Abb Patent Gmbh | Turbinenschaufel |
JP2002227606A (ja) * | 2001-02-02 | 2002-08-14 | Mitsubishi Heavy Ind Ltd | タービン動翼先端部シール構造 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4390320A (en) * | 1980-05-01 | 1983-06-28 | General Electric Company | Tip cap for a rotor blade and method of replacement |
US4802828A (en) * | 1986-12-29 | 1989-02-07 | United Technologies Corporation | Turbine blade having a fused metal-ceramic tip |
US5603603A (en) * | 1993-12-08 | 1997-02-18 | United Technologies Corporation | Abrasive blade tip |
US5584663A (en) * | 1994-08-15 | 1996-12-17 | General Electric Company | Environmentally-resistant turbine blade tip |
JP3453268B2 (ja) * | 1997-03-04 | 2003-10-06 | 三菱重工業株式会社 | ガスタービン翼 |
US6755619B1 (en) | 2000-11-08 | 2004-06-29 | General Electric Company | Turbine blade with ceramic foam blade tip seal, and its preparation |
US6461107B1 (en) | 2001-03-27 | 2002-10-08 | General Electric Company | Turbine blade tip having thermal barrier coating-formed micro cooling channels |
US6502304B2 (en) | 2001-05-15 | 2003-01-07 | General Electric Company | Turbine airfoil process sequencing for optimized tip performance |
US6616410B2 (en) | 2001-11-01 | 2003-09-09 | General Electric Company | Oxidation resistant and/or abrasion resistant squealer tip and method for casting same |
US6991430B2 (en) | 2003-04-07 | 2006-01-31 | General Electric Company | Turbine blade with recessed squealer tip and shelf |
-
2005
- 2005-09-19 US US11/228,241 patent/US7922455B2/en not_active Expired - Fee Related
-
2006
- 2006-09-14 EP EP06254794A patent/EP1764478A3/en not_active Withdrawn
- 2006-09-15 JP JP2006250275A patent/JP5143389B2/ja not_active Expired - Fee Related
- 2006-09-18 CN CN2006101399014A patent/CN1936275B/zh not_active Expired - Fee Related
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60256502A (ja) * | 1984-04-27 | 1985-12-18 | ゼネラル・エレクトリツク・カンパニイ | 羽根の先端 |
JPS62186004A (ja) * | 1986-02-10 | 1987-08-14 | Toshiba Corp | 軸流タ−ビン |
EP0661415A1 (de) * | 1993-12-17 | 1995-07-05 | Sulzer Innotec Ag | Einrichtung mit rotierfähigem Körper, Gehäuse und dazwischen liegendem Dichtspalt |
US5756217A (en) * | 1994-09-16 | 1998-05-26 | Mtu Motoren-Und Turbinen Union Munchen Gmbh | Strip coatings for metal components of drive units and their process of manufacture |
JPH11247612A (ja) * | 1998-03-02 | 1999-09-14 | Mitsubishi Heavy Ind Ltd | 動翼のチップシンニング |
DE19824583A1 (de) * | 1998-06-02 | 1999-12-09 | Abb Patent Gmbh | Turbinenschaufel |
JP2002227606A (ja) * | 2001-02-02 | 2002-08-14 | Mitsubishi Heavy Ind Ltd | タービン動翼先端部シール構造 |
Also Published As
Publication number | Publication date |
---|---|
EP1764478A2 (en) | 2007-03-21 |
CN1936275B (zh) | 2012-10-31 |
US7922455B2 (en) | 2011-04-12 |
CN1936275A (zh) | 2007-03-28 |
US20070224049A1 (en) | 2007-09-27 |
EP1764478A3 (en) | 2008-10-29 |
JP5143389B2 (ja) | 2013-02-13 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP5143389B2 (ja) | 翼端漏れ損失低減のための蒸気冷却型ガスタービン動翼 | |
JP6192984B2 (ja) | タービン動翼の先端の冷却構造 | |
JP4070856B2 (ja) | スロット冷却翼端を有するタービン動翼 | |
US8579581B2 (en) | Abradable bucket shroud | |
JP5096122B2 (ja) | タービン動翼先端シュラウド上の磨耗を防止するためのシステム | |
AU2007214378B2 (en) | Methods and apparatus for fabricating turbine engines | |
EP1895100B1 (en) | Conformal tip baffle airfoil | |
JP2007064221A (ja) | 静翼輪郭の最適化 | |
US8382439B1 (en) | Process of forming a high temperature turbine rotor blade | |
JP2007077986A (ja) | 翼端棚を有するタービンエーロフォイル湾曲スクイーラ翼端 | |
EP2567070A1 (en) | Light weight shroud fin for a rotor blade | |
US8210823B2 (en) | Method and apparatus for creating seal slots for turbine components | |
CN110662884B (zh) | 具有凹槽尖端和致密的氧化物弥散强化层的涡轮机叶片 | |
JP5400500B2 (ja) | タービンダブテール用のラビリンスシール | |
US20070237627A1 (en) | Offset blade tip chord sealing system and method for rotary machines | |
CN114585802B (zh) | 涡轮叶片、制造涡轮叶片的方法和整修涡轮叶片的方法 | |
US20240133298A1 (en) | Turbine blade, method of manufacturing a turbine blade and method of refurbishing a turbine blade | |
JP5951387B2 (ja) | ラビリンスシール部およびタービン | |
US20190168295A1 (en) | Aerofoil joint recess | |
WO2020092234A1 (en) | Method and apparatus for improving cooling of a turbine shroud |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20090910 |
|
RD04 | Notification of resignation of power of attorney |
Free format text: JAPANESE INTERMEDIATE CODE: A7424 Effective date: 20090910 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20100907 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20110329 |
|
A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20110629 |
|
A602 | Written permission of extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A602 Effective date: 20110704 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20110929 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20120131 |
|
A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20120426 |
|
A602 | Written permission of extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A602 Effective date: 20120502 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20120730 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20121023 |
|
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20121121 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20151130 Year of fee payment: 3 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 5143389 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
LAPS | Cancellation because of no payment of annual fees |