DE102010038073B4 - Turbinen und Turbinenschaufelwinglets - Google Patents

Turbinen und Turbinenschaufelwinglets Download PDF

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Publication number
DE102010038073B4
DE102010038073B4 DE102010038073.3A DE102010038073A DE102010038073B4 DE 102010038073 B4 DE102010038073 B4 DE 102010038073B4 DE 102010038073 A DE102010038073 A DE 102010038073A DE 102010038073 B4 DE102010038073 B4 DE 102010038073B4
Authority
DE
Germany
Prior art keywords
turbine blade
winglet
trailing edge
tip region
pressure side
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
Application number
DE102010038073.3A
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German (de)
English (en)
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DE102010038073A1 (de
Inventor
Fred Thomas Willet jr.
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GE Vernova GmbH
Original Assignee
General Electric Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by General Electric Co filed Critical General Electric Co
Publication of DE102010038073A1 publication Critical patent/DE102010038073A1/de
Application granted granted Critical
Publication of DE102010038073B4 publication Critical patent/DE102010038073B4/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F01D5/141—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)
DE102010038073.3A 2009-10-21 2010-10-08 Turbinen und Turbinenschaufelwinglets Active DE102010038073B4 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12/582,927 2009-10-21
US12/582,927 US8414265B2 (en) 2009-10-21 2009-10-21 Turbines and turbine blade winglets

Publications (2)

Publication Number Publication Date
DE102010038073A1 DE102010038073A1 (de) 2011-05-19
DE102010038073B4 true DE102010038073B4 (de) 2023-07-06

Family

ID=43877795

Family Applications (1)

Application Number Title Priority Date Filing Date
DE102010038073.3A Active DE102010038073B4 (de) 2009-10-21 2010-10-08 Turbinen und Turbinenschaufelwinglets

Country Status (5)

Country Link
US (1) US8414265B2 (enExample)
JP (1) JP5706660B2 (enExample)
CN (1) CN102042039B (enExample)
CH (1) CH702101B1 (enExample)
DE (1) DE102010038073B4 (enExample)

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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
US9638041B2 (en) 2013-10-23 2017-05-02 General Electric Company Turbine bucket having non-axisymmetric base contour
US9528379B2 (en) 2013-10-23 2016-12-27 General Electric Company Turbine bucket having serpentine core
US9797258B2 (en) 2013-10-23 2017-10-24 General Electric Company Turbine bucket including cooling passage with turn
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
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
BR112017021169B1 (pt) 2015-04-08 2022-11-22 Horton, Inc Pá de ventoinha e método de operação de ventoinha de fluxo axial
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
CN110945210B (zh) * 2017-08-14 2022-05-24 西门子能源全球两合公司 涡轮叶片以及对应的维护方法
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
US12123319B2 (en) 2020-12-30 2024-10-22 Ge Infrastructure Technology Llc Cooling circuit having a bypass conduit for a turbomachine component
US11608746B2 (en) * 2021-01-13 2023-03-21 General Electric Company Airfoils for gas turbine engines
EP4234885A3 (en) * 2021-02-04 2023-09-06 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

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020182074A1 (en) 2001-05-31 2002-12-05 Bunker Ronald Scott Film cooled blade tip
US20050232771A1 (en) 2004-04-17 2005-10-20 Harvey Neil W Turbine rotor blades

Family Cites Families (16)

* Cited by examiner, † Cited by third party
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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
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
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
EP1953344B1 (de) * 2007-02-05 2012-04-11 Siemens Aktiengesellschaft 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

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020182074A1 (en) 2001-05-31 2002-12-05 Bunker Ronald Scott Film cooled blade tip
US20050232771A1 (en) 2004-04-17 2005-10-20 Harvey Neil W Turbine rotor blades

Also Published As

Publication number Publication date
CH702101B1 (de) 2015-07-15
JP2011089517A (ja) 2011-05-06
US20110091327A1 (en) 2011-04-21
CN102042039B (zh) 2016-01-20
CN102042039A (zh) 2011-05-04
US8414265B2 (en) 2013-04-09
DE102010038073A1 (de) 2011-05-19
CH702101A2 (de) 2011-04-29
JP5706660B2 (ja) 2015-04-22

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R012 Request for examination validly filed
R016 Response to examination communication
R016 Response to examination communication
R018 Grant decision by examination section/examining division
R081 Change of applicant/patentee

Owner name: GENERAL ELECTRIC TECHNOLOGY GMBH, CH

Free format text: FORMER OWNER: GENERAL ELECTRIC CO., SCHENECTADY, N.Y., US

R082 Change of representative
R020 Patent grant now final