JP5706660B2 - タービン及びタービンブレードウィングレット - Google Patents
タービン及びタービンブレードウィングレット Download PDFInfo
- Publication number
- JP5706660B2 JP5706660B2 JP2010233176A JP2010233176A JP5706660B2 JP 5706660 B2 JP5706660 B2 JP 5706660B2 JP 2010233176 A JP2010233176 A JP 2010233176A JP 2010233176 A JP2010233176 A JP 2010233176A JP 5706660 B2 JP5706660 B2 JP 5706660B2
- Authority
- JP
- Japan
- Prior art keywords
- turbine blade
- winglet
- trailing edge
- tip region
- blade
- 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.)
- Active
Links
- 238000001816 cooling Methods 0.000 claims description 18
- 238000005553 drilling Methods 0.000 description 4
- 238000013459 approach Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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
- F01D5/141—Shape, i.e. outer, aerodynamic form
- F01D5/145—Means for influencing boundary layers or secondary circulations
-
- 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
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
101 正圧領域
102 先端
103 負圧領域
104 後縁
105 矢印
200 タービンブレード
201 箇所
202 ロータ
204 前縁
205 矢印
206 後縁
208 遠位ブレード先端領域(先端領域)
210 負圧側面
212 正圧側面
214 ウィングレット
301 加圧ガス
302 空洞
304 冷却通路
306 ポート
404 冷却通路
406 ポート
408 正圧側面端縁部
504 冷却通路
506 ポート
508 通路
601 シュラウド
604 冷却通路
606 ポート
608 グルーブ
700 タービンエンジン
701 矢印
702 ロータ組立体
704 シュラウド
Claims (6)
- タービンブレードであって、
前縁、後縁、正圧側面、負圧側面及び先端領域を有する本体と、
前記先端領域において、前記本体の正圧側面上に配置されたウィングレットと、
を含み、
前記ウィングレットは、前記本体の前記前縁の下流の前記先端領域の箇所から前記本体の前記後縁に位置する前記ウィングレットの反対側の端まで延び、
前記ウィングレットが、前記後縁における幅が前記箇所における幅よりも広くなるように、前記先端領域内において前記後縁から前記箇所に向けてテーパしており、
前記タービンブレードが、内部空洞、前記内部空洞と連通状態になった冷却通路、及び前記本体の前記正圧側面内のポートを含み、
前記ポートが、該タービンブレード上において前記ウィングレットに対して半径方向内側に配置され、
前記タービンブレードが、前記冷却通路と一直線に整列した第2の通路を前記ウィングレット内に含む、
タービンブレード。 - 前記後縁における前記ウィングレットの幅が、前記後縁から前記先端領域の前記箇所に至るまでの他の位置における幅よりも広い、請求項1に記載のタービンブレード。
- 該タービンブレードが翼形に形作られている、請求項1または2に記載のタービンブレード。
- 該タービンブレードがロータ上に配置される、請求項1乃至3のいずれかに記載のタービンブレード。
- 前記ウィングレットが、前記正圧側面に沿って前記本体の後縁に向けて空気流を導くように作動する、請求項1乃至4のいずれかに記載のタービンブレード。
- 前記ポートが、前記通路及び内部空洞を介して受けた加圧ガスを送出するように作動する、請求項1乃至5のいずれかに記載のタービンブレード。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/582,927 US8414265B2 (en) | 2009-10-21 | 2009-10-21 | Turbines and turbine blade winglets |
US12/582,927 | 2009-10-21 |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2011089517A JP2011089517A (ja) | 2011-05-06 |
JP2011089517A5 JP2011089517A5 (ja) | 2013-11-21 |
JP5706660B2 true JP5706660B2 (ja) | 2015-04-22 |
Family
ID=43877795
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010233176A Active JP5706660B2 (ja) | 2009-10-21 | 2010-10-18 | タービン及びタービンブレードウィングレット |
Country Status (5)
Country | Link |
---|---|
US (1) | US8414265B2 (ja) |
JP (1) | JP5706660B2 (ja) |
CN (1) | CN102042039B (ja) |
CH (1) | CH702101B1 (ja) |
DE (1) | DE102010038073B4 (ja) |
Families Citing this family (33)
Publication number | Priority date | Publication date | Assignee | Title |
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EP2336492A1 (en) * | 2009-12-16 | 2011-06-22 | Siemens Aktiengesellschaft | Guide vane with a winglet for an energy converting machine and machine for converting energy comprising the guide vane |
GB201006451D0 (en) * | 2010-04-19 | 2010-06-02 | Rolls Royce Plc | Blades |
US8777567B2 (en) | 2010-09-22 | 2014-07-15 | Honeywell International Inc. | Turbine blades, turbine assemblies, and methods of manufacturing turbine blades |
GB201017797D0 (en) * | 2010-10-21 | 2010-12-01 | Rolls Royce Plc | An aerofoil structure |
US9273561B2 (en) * | 2012-08-03 | 2016-03-01 | General Electric Company | Cooling structures for turbine rotor blade tips |
US20140044557A1 (en) * | 2012-08-09 | 2014-02-13 | General Electric Company | Turbine blade and method for cooling the turbine blade |
US9845683B2 (en) * | 2013-01-08 | 2017-12-19 | United Technology Corporation | Gas turbine engine rotor blade |
JP2014148938A (ja) * | 2013-02-01 | 2014-08-21 | Siemens Ag | ターボ機械のためのフィルム冷却されるタービンブレード |
US9856739B2 (en) | 2013-09-18 | 2018-01-02 | Honeywell International Inc. | Turbine blades with tip portions having converging cooling holes |
US9816389B2 (en) | 2013-10-16 | 2017-11-14 | Honeywell International Inc. | Turbine rotor blades with tip portion parapet wall cavities |
US9879544B2 (en) | 2013-10-16 | 2018-01-30 | Honeywell International Inc. | Turbine rotor blades with improved tip portion cooling holes |
US9797258B2 (en) | 2013-10-23 | 2017-10-24 | General Electric Company | Turbine bucket including cooling passage with turn |
US9638041B2 (en) | 2013-10-23 | 2017-05-02 | General Electric Company | Turbine bucket having non-axisymmetric base contour |
US9670784B2 (en) | 2013-10-23 | 2017-06-06 | General Electric Company | Turbine bucket base having serpentine cooling passage with leading edge cooling |
US20150110617A1 (en) * | 2013-10-23 | 2015-04-23 | General Electric Company | Turbine airfoil including tip fillet |
US9551226B2 (en) | 2013-10-23 | 2017-01-24 | General Electric Company | Turbine bucket with endwall contour and airfoil profile |
US9528379B2 (en) | 2013-10-23 | 2016-12-27 | General Electric Company | Turbine bucket having serpentine core |
EP2921647A1 (en) | 2014-03-20 | 2015-09-23 | Alstom Technology Ltd | Gas turbine blade comprising bended leading and trailing edges |
FR3022295B1 (fr) * | 2014-06-17 | 2019-07-05 | Safran Aircraft Engines | Aube de turbomachine comportant une ailette anti-tourbillons |
EP2987956A1 (en) | 2014-08-18 | 2016-02-24 | Siemens Aktiengesellschaft | Compressor aerofoil |
EP3354904B1 (en) | 2015-04-08 | 2020-09-16 | Horton, Inc. | Fan blade surface features |
US10253637B2 (en) * | 2015-12-11 | 2019-04-09 | General Electric Company | Method and system for improving turbine blade performance |
WO2018063353A1 (en) * | 2016-09-30 | 2018-04-05 | Siemens Aktiengesellschaft | Turbine blade and squealer tip |
US10830082B2 (en) * | 2017-05-10 | 2020-11-10 | General Electric Company | Systems including rotor blade tips and circumferentially grooved shrouds |
US10830057B2 (en) * | 2017-05-31 | 2020-11-10 | General Electric Company | Airfoil with tip rail cooling |
US10704406B2 (en) * | 2017-06-13 | 2020-07-07 | General Electric Company | Turbomachine blade cooling structure and related methods |
EP3669054B1 (en) | 2017-08-14 | 2022-02-09 | Siemens Energy Global GmbH & Co. KG | Turbine blade and corresponding method of servicing |
KR20190127024A (ko) * | 2018-05-03 | 2019-11-13 | 두산중공업 주식회사 | 터빈 블레이드 및 상기 터빈 블레이드를 포함하는 가스 터빈 |
FR3081497B1 (fr) * | 2018-05-23 | 2020-12-25 | Safran Aircraft Engines | Aubage brut de fonderie a geometrie de bord de fuite modifiee |
US10787932B2 (en) | 2018-07-13 | 2020-09-29 | Honeywell International Inc. | Turbine blade with dust tolerant cooling system |
KR102153066B1 (ko) | 2018-10-01 | 2020-09-07 | 두산중공업 주식회사 | 윙렛에 냉각홀을 가진 터빈 블레이드 및 이를 포함하는 가스 터빈 |
US11608746B2 (en) * | 2021-01-13 | 2023-03-21 | General Electric Company | Airfoils for gas turbine engines |
EP4039941B1 (en) * | 2021-02-04 | 2023-06-28 | Doosan Enerbility Co., Ltd. | Airfoil with a squealer tip cooling system for a turbine blade, corresponding turbine blade, turbine blade assembly, gas turbine and manufacturing method of an airfoil |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4768922A (en) | 1986-09-15 | 1988-09-06 | Avco Corporation | Variable stator and shroud assembly |
US5282721A (en) * | 1991-09-30 | 1994-02-01 | United Technologies Corporation | Passive clearance system for turbine blades |
US5261789A (en) | 1992-08-25 | 1993-11-16 | General Electric Company | Tip cooled blade |
DE19913269A1 (de) | 1999-03-24 | 2000-09-28 | Asea Brown Boveri | Turbinenschaufel |
US6494678B1 (en) | 2001-05-31 | 2002-12-17 | General Electric Company | Film cooled blade tip |
US6869270B2 (en) | 2002-06-06 | 2005-03-22 | General Electric Company | Turbine blade cover cooling apparatus and method of fabrication |
GB2409006B (en) | 2003-12-11 | 2006-05-17 | Rolls Royce Plc | Tip sealing for a turbine rotor blade |
GB2413160B (en) * | 2004-04-17 | 2006-08-09 | Rolls Royce Plc | Turbine rotor blades |
US7175391B2 (en) * | 2004-07-08 | 2007-02-13 | United Technologies Corporation | Turbine blade |
US7246999B2 (en) * | 2004-10-06 | 2007-07-24 | General Electric Company | Stepped outlet turbine airfoil |
US7510376B2 (en) * | 2005-08-25 | 2009-03-31 | General Electric Company | Skewed tip hole turbine blade |
US7281894B2 (en) * | 2005-09-09 | 2007-10-16 | General Electric Company | Turbine airfoil curved squealer tip with tip shelf |
US8512003B2 (en) * | 2006-08-21 | 2013-08-20 | General Electric Company | Tip ramp turbine blade |
US7494319B1 (en) | 2006-08-25 | 2009-02-24 | Florida Turbine Technologies, Inc. | Turbine blade tip configuration |
ATE553284T1 (de) | 2007-02-05 | 2012-04-15 | Siemens Ag | Turbinenschaufel |
GB0724612D0 (en) * | 2007-12-19 | 2008-01-30 | Rolls Royce Plc | Rotor blades |
EP2093378A1 (en) * | 2008-02-25 | 2009-08-26 | ALSTOM Technology Ltd | Upgrading method for a blade by retrofitting a winglet, and correspondingly upgraded blade |
GB0813556D0 (en) * | 2008-07-24 | 2008-09-03 | Rolls Royce Plc | A blade for a rotor |
-
2009
- 2009-10-21 US US12/582,927 patent/US8414265B2/en active Active
-
2010
- 2010-10-08 DE DE102010038073.3A patent/DE102010038073B4/de active Active
- 2010-10-18 CH CH01696/10A patent/CH702101B1/de not_active IP Right Cessation
- 2010-10-18 JP JP2010233176A patent/JP5706660B2/ja active Active
- 2010-10-21 CN CN201010533223.6A patent/CN102042039B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
US20110091327A1 (en) | 2011-04-21 |
DE102010038073A1 (de) | 2011-05-19 |
US8414265B2 (en) | 2013-04-09 |
JP2011089517A (ja) | 2011-05-06 |
CH702101A2 (de) | 2011-04-29 |
CN102042039A (zh) | 2011-05-04 |
CN102042039B (zh) | 2016-01-20 |
CH702101B1 (de) | 2015-07-15 |
DE102010038073B4 (de) | 2023-07-06 |
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