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DE69714960D1 - Wirbelelementkonstruktion für Kühlkanäle eines Gasturbinenrotorschaufelblattes - Google Patents

Wirbelelementkonstruktion für Kühlkanäle eines Gasturbinenrotorschaufelblattes

Info

Publication number
DE69714960D1
DE69714960D1 DE69714960T DE69714960T DE69714960D1 DE 69714960 D1 DE69714960 D1 DE 69714960D1 DE 69714960 T DE69714960 T DE 69714960T DE 69714960 T DE69714960 T DE 69714960T DE 69714960 D1 DE69714960 D1 DE 69714960D1
Authority
DE
Germany
Prior art keywords
gas turbine
rotor blade
turbine rotor
cooling channels
element construction
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 - Lifetime
Application number
DE69714960T
Other languages
English (en)
Other versions
DE69714960T3 (de
DE69714960T2 (de
Inventor
Ching-Pang Lee
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.)
General Electric Co
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=25113859&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69714960(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by General Electric Co filed Critical General Electric Co
Publication of DE69714960D1 publication Critical patent/DE69714960D1/de
Application granted granted Critical
Publication of DE69714960T2 publication Critical patent/DE69714960T2/de
Publication of DE69714960T3 publication Critical patent/DE69714960T3/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F13/00—Arrangements for modifying heat-transfer, e.g. increasing, decreasing
    • F28F13/06—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media
    • F28F13/12—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media by creating turbulence, e.g. by stirring, by increasing the force of circulation
    • 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
    • F01D5/18—Hollow blades, i.e. blades with cooling or heating channels or cavities; Heating, heat-insulating or cooling means on blades
    • F01D5/187—Convection cooling
    • 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
    • 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
    • F05D2260/20—Heat transfer, e.g. cooling
    • F05D2260/221—Improvement of heat transfer
    • F05D2260/2212—Improvement of heat transfer by creating turbulence
    • 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)
  • Thermal Sciences (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
DE69714960T 1997-01-03 1997-12-23 Wirbelelementkonstruktion für Kühlkanäle eines Gasturbinenrotorschaufelblattes Expired - Lifetime DE69714960T3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/778,595 US5797726A (en) 1997-01-03 1997-01-03 Turbulator configuration for cooling passages or rotor blade in a gas turbine engine
US778595 1997-01-03

Publications (3)

Publication Number Publication Date
DE69714960D1 true DE69714960D1 (de) 2002-10-02
DE69714960T2 DE69714960T2 (de) 2003-05-08
DE69714960T3 DE69714960T3 (de) 2008-07-17

Family

ID=25113859

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69714960T Expired - Lifetime DE69714960T3 (de) 1997-01-03 1997-12-23 Wirbelelementkonstruktion für Kühlkanäle eines Gasturbinenrotorschaufelblattes

Country Status (4)

Country Link
US (1) US5797726A (de)
EP (1) EP0852285B2 (de)
JP (1) JP4063938B2 (de)
DE (1) DE69714960T3 (de)

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US6582584B2 (en) 1999-08-16 2003-06-24 General Electric Company Method for enhancing heat transfer inside a turbulated cooling passage
US6273682B1 (en) 1999-08-23 2001-08-14 General Electric Company Turbine blade with preferentially-cooled trailing edge pressure wall
US6406260B1 (en) * 1999-10-22 2002-06-18 Pratt & Whitney Canada Corp. Heat transfer promotion structure for internally convectively cooled airfoils
US6331098B1 (en) 1999-12-18 2001-12-18 General Electric Company Coriolis turbulator blade
US6399217B1 (en) * 1999-12-20 2002-06-04 General Electric Company Article surface with metal wires and method for making
GB0025012D0 (en) * 2000-10-12 2000-11-29 Rolls Royce Plc Cooling of gas turbine engine aerofoils
DE10064269A1 (de) * 2000-12-22 2002-07-04 Alstom Switzerland Ltd Komponente einer Strömungsmaschine mit Inspektionsöffnung
US6481972B2 (en) * 2000-12-22 2002-11-19 General Electric Company Turbine bucket natural frequency tuning rib
US6554571B1 (en) 2001-11-29 2003-04-29 General Electric Company Curved turbulator configuration for airfoils and method and electrode for machining the configuration
US6672836B2 (en) 2001-12-11 2004-01-06 United Technologies Corporation Coolable rotor blade for an industrial gas turbine engine
US6743350B2 (en) 2002-03-18 2004-06-01 General Electric Company Apparatus and method for rejuvenating cooling passages within a turbine airfoil
US6722134B2 (en) 2002-09-18 2004-04-20 General Electric Company Linear surface concavity enhancement
US6761031B2 (en) 2002-09-18 2004-07-13 General Electric Company Double wall combustor liner segment with enhanced cooling
GB0222352D0 (en) * 2002-09-26 2002-11-06 Dorling Kevin Turbine blade turbulator cooling design
US7104067B2 (en) * 2002-10-24 2006-09-12 General Electric Company Combustor liner with inverted turbulators
US6681578B1 (en) 2002-11-22 2004-01-27 General Electric Company Combustor liner with ring turbulators and related method
GB2399405A (en) * 2003-03-10 2004-09-15 Alstom Enhancement of heat transfer
US6890154B2 (en) * 2003-08-08 2005-05-10 United Technologies Corporation Microcircuit cooling for a turbine blade
US7186084B2 (en) * 2003-11-19 2007-03-06 General Electric Company Hot gas path component with mesh and dimpled cooling
US6984102B2 (en) * 2003-11-19 2006-01-10 General Electric Company Hot gas path component with mesh and turbulated cooling
EP1628076B1 (de) * 2004-08-13 2012-01-04 Siemens Aktiengesellschaft Kühlkanal, Brennkammer und Gasturbine
US7373778B2 (en) * 2004-08-26 2008-05-20 General Electric Company Combustor cooling with angled segmented surfaces
US7094031B2 (en) * 2004-09-09 2006-08-22 General Electric Company Offset Coriolis turbulator blade
US7575414B2 (en) * 2005-04-01 2009-08-18 General Electric Company Turbine nozzle with trailing edge convection and film cooling
US7300242B2 (en) * 2005-12-02 2007-11-27 Siemens Power Generation, Inc. Turbine airfoil with integral cooling system
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US7553128B2 (en) * 2006-10-12 2009-06-30 United Technologies Corporation Blade outer air seals
EP1921269A1 (de) * 2006-11-09 2008-05-14 Siemens Aktiengesellschaft Turbinenschaufel
US7637720B1 (en) * 2006-11-16 2009-12-29 Florida Turbine Technologies, Inc. Turbulator for a turbine airfoil cooling passage
US7766615B2 (en) * 2007-02-21 2010-08-03 United Technlogies Corporation Local indented trailing edge heat transfer devices
US8210814B2 (en) 2008-06-18 2012-07-03 General Electric Company Crossflow turbine airfoil
US8167560B2 (en) * 2009-03-03 2012-05-01 Siemens Energy, Inc. Turbine airfoil with an internal cooling system having enhanced vortex forming turbulators
US8894367B2 (en) * 2009-08-06 2014-11-25 Siemens Energy, Inc. Compound cooling flow turbulator for turbine component
US8439628B2 (en) * 2010-01-06 2013-05-14 General Electric Company Heat transfer enhancement in internal cavities of turbine engine airfoils
US8881500B2 (en) * 2010-08-31 2014-11-11 General Electric Company Duplex tab obstacles for enhancement of deflagration-to-detonation transition
US8920122B2 (en) 2012-03-12 2014-12-30 Siemens Energy, Inc. Turbine airfoil with an internal cooling system having vortex forming turbulators
US9157329B2 (en) * 2012-08-22 2015-10-13 United Technologies Corporation Gas turbine engine airfoil internal cooling features
US10316668B2 (en) 2013-02-05 2019-06-11 United Technologies Corporation Gas turbine engine component having curved turbulator
EP2971543B1 (de) 2013-03-15 2020-08-19 United Technologies Corporation Gasturbinentriebwerkskomponente mit geformten sockeln
US9091495B2 (en) * 2013-05-14 2015-07-28 Siemens Aktiengesellschaft Cooling passage including turbulator system in a turbine engine component
US10253642B2 (en) 2013-09-16 2019-04-09 United Technologies Corporation Gas turbine engine with disk having periphery with protrusions
EP3060763B1 (de) 2013-10-21 2020-04-15 United Technologies Corporation Vermeidung von strömung durch den spalt einer fehlertoleranten turbinenschaufel
CN103967621B (zh) * 2014-04-08 2016-06-08 上海交通大学 具有微小斜肋-凹陷复合结构的冷却装置
FR3020402B1 (fr) * 2014-04-24 2019-06-14 Safran Aircraft Engines Aube pour turbine de turbomachine comprenant un circuit de refroidissement a homogeneite amelioree
US10364684B2 (en) 2014-05-29 2019-07-30 General Electric Company Fastback vorticor pin
WO2015184294A1 (en) 2014-05-29 2015-12-03 General Electric Company Fastback turbulator
US10233775B2 (en) 2014-10-31 2019-03-19 General Electric Company Engine component for a gas turbine engine
US10280785B2 (en) 2014-10-31 2019-05-07 General Electric Company Shroud assembly for a turbine engine
US9777635B2 (en) * 2014-12-31 2017-10-03 General Electric Company Engine component
US10156157B2 (en) * 2015-02-13 2018-12-18 United Technologies Corporation S-shaped trip strips in internally cooled components
US20180135432A1 (en) * 2015-05-07 2018-05-17 Siemens Aktiengesellschaft Turbine airfoil with internal cooling channels
CN108884717B (zh) * 2016-03-31 2021-02-26 西门子股份公司 在冷壁上具有湍流特征的涡轮翼型件
US10208604B2 (en) * 2016-04-27 2019-02-19 United Technologies Corporation Cooling features with three dimensional chevron geometry
US10502068B2 (en) 2016-12-02 2019-12-10 General Electric Company Engine with chevron pin bank
US10458275B2 (en) * 2017-01-06 2019-10-29 Rohr, Inc. Nacelle inner lip skin with heat transfer augmentation features
US10934865B2 (en) * 2017-01-13 2021-03-02 Rolls-Royce Corporation Cooled single walled blisk for gas turbine engine
US10247015B2 (en) * 2017-01-13 2019-04-02 Rolls-Royce Corporation Cooled blisk with dual wall blades for gas turbine engine
US10724391B2 (en) * 2017-04-07 2020-07-28 General Electric Company Engine component with flow enhancer
CN106988790A (zh) * 2017-06-08 2017-07-28 哈尔滨工业大学 一种高温涡轮动叶顶部对转涡的冷却结构
US11149555B2 (en) 2017-06-14 2021-10-19 General Electric Company Turbine engine component with deflector
US10801724B2 (en) * 2017-06-14 2020-10-13 General Electric Company Method and apparatus for minimizing cross-flow across an engine cooling hole
US10590778B2 (en) 2017-08-03 2020-03-17 General Electric Company Engine component with non-uniform chevron pins
US10577944B2 (en) 2017-08-03 2020-03-03 General Electric Company Engine component with hollow turbulators
US10808552B2 (en) * 2018-06-18 2020-10-20 Raytheon Technologies Corporation Trip strip configuration for gaspath component in a gas turbine engine
US10787932B2 (en) * 2018-07-13 2020-09-29 Honeywell International Inc. Turbine blade with dust tolerant cooling system
US10711621B1 (en) 2019-02-01 2020-07-14 Rolls-Royce Plc Turbine vane assembly with ceramic matrix composite components and temperature management features
US10767495B2 (en) 2019-02-01 2020-09-08 Rolls-Royce Plc Turbine vane assembly with cooling feature
US11149553B2 (en) 2019-08-02 2021-10-19 Rolls-Royce Plc Ceramic matrix composite components with heat transfer augmentation features
US11268392B2 (en) 2019-10-28 2022-03-08 Rolls-Royce Plc Turbine vane assembly incorporating ceramic matrix composite materials and cooling
JP2023165485A (ja) * 2022-05-06 2023-11-16 三菱重工業株式会社 タービン翼及びガスタービン
CN115013075B (zh) * 2022-08-10 2022-12-06 中国航发四川燃气涡轮研究院 一种防滑花纹状扰流肋及涡轮叶片

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Also Published As

Publication number Publication date
DE69714960T3 (de) 2008-07-17
JPH10274002A (ja) 1998-10-13
US5797726A (en) 1998-08-25
EP0852285B1 (de) 2002-08-28
EP0852285A1 (de) 1998-07-08
JP4063938B2 (ja) 2008-03-19
EP0852285B2 (de) 2007-12-26
DE69714960T2 (de) 2003-05-08

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8328 Change in the person/name/address of the agent

Representative=s name: ROEGER UND KOLLEGEN, 73728 ESSLINGEN

8366 Restricted maintained after opposition proceedings