CA2872265A1 - Turbine airfoil trailing edge cooling slot - Google Patents

Turbine airfoil trailing edge cooling slot Download PDF

Info

Publication number
CA2872265A1
CA2872265A1 CA2872265A CA2872265A CA2872265A1 CA 2872265 A1 CA2872265 A1 CA 2872265A1 CA 2872265 A CA2872265 A CA 2872265A CA 2872265 A CA2872265 A CA 2872265A CA 2872265 A1 CA2872265 A1 CA 2872265A1
Authority
CA
Canada
Prior art keywords
trailing edge
section
slot
spanwise
deck
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
Application number
CA2872265A
Other languages
English (en)
French (fr)
Inventor
Robert Frederick Bergholz, Jr.
Daniel Lee Durstock
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
Application filed by General Electric Co filed Critical General Electric Co
Publication of CA2872265A1 publication Critical patent/CA2872265A1/en
Pending legal-status Critical Current

Links

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
    • F01D5/18—Hollow blades, i.e. blades with cooling or heating channels or cavities; Heating, heat-insulating or cooling means on blades
    • F01D5/186—Film 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
    • F01D5/18—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
    • 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
    • F05D2240/20—Rotors
    • F05D2240/30—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor
    • F05D2240/301—Cross-sectional characteristics
    • 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)
  • Turbine Rotor Nozzle Sealing (AREA)
CA2872265A 2012-05-08 2013-04-22 Turbine airfoil trailing edge cooling slot Pending CA2872265A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US13/466,487 2012-05-08
US13/466,487 US20130302176A1 (en) 2012-05-08 2012-05-08 Turbine airfoil trailing edge cooling slot
PCT/US2013/037510 WO2013169471A1 (en) 2012-05-08 2013-04-22 Turbine airfoil trailing edge cooling slot

Publications (1)

Publication Number Publication Date
CA2872265A1 true CA2872265A1 (en) 2013-11-14

Family

ID=48289651

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2872265A Pending CA2872265A1 (en) 2012-05-08 2013-04-22 Turbine airfoil trailing edge cooling slot

Country Status (7)

Country Link
US (1) US20130302176A1 (pt)
EP (1) EP2855850A1 (pt)
JP (1) JP2015516539A (pt)
CN (1) CN104285038A (pt)
BR (1) BR112014026785A2 (pt)
CA (1) CA2872265A1 (pt)
WO (1) WO2013169471A1 (pt)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9732617B2 (en) 2013-11-26 2017-08-15 General Electric Company Cooled airfoil trailing edge and method of cooling the airfoil trailing edge
JP6671149B2 (ja) * 2015-11-05 2020-03-25 三菱日立パワーシステムズ株式会社 タービン翼及びガスタービン、タービン翼の中間加工品、タービン翼の製造方法
US10301954B2 (en) 2016-01-08 2019-05-28 General Electric Company Turbine airfoil trailing edge cooling passage
US10260354B2 (en) 2016-02-12 2019-04-16 General Electric Company Airfoil trailing edge cooling
US10563518B2 (en) 2016-02-15 2020-02-18 General Electric Company Gas turbine engine trailing edge ejection holes
KR101937589B1 (ko) * 2017-09-18 2019-04-09 두산중공업 주식회사 터빈의 터빈 블레이드와 터빈 베인 및 이를 포함하는 터빈 및 가스터빈
US10787932B2 (en) * 2018-07-13 2020-09-29 Honeywell International Inc. Turbine blade with dust tolerant cooling system
FR3094033B1 (fr) * 2019-03-22 2021-06-11 Safran Aircraft Engines Aube de turbomachine equipee d’un circuit de refroidissement optimise
FR3108364B1 (fr) * 2020-03-18 2022-03-11 Safran Aircraft Engines Aube de turbine comportant des nervures entre des sorties de refroidissement avec des orifices de refroidissement
US11608746B2 (en) * 2021-01-13 2023-03-21 General Electric Company Airfoils for gas turbine engines
EP4105441A1 (en) * 2021-06-18 2022-12-21 ITP Next Generation Turbines S.L. Airfoil for a turbine engine

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4303374A (en) * 1978-12-15 1981-12-01 General Electric Company Film cooled airfoil body
US5368441A (en) * 1992-11-24 1994-11-29 United Technologies Corporation Turbine airfoil including diffusing trailing edge pedestals
JP2002188406A (ja) * 2000-12-01 2002-07-05 United Technol Corp <Utc> 軸流回転機械用のロータブレード
DE60041774D1 (de) * 2000-12-05 2009-04-23 United Technologies Corp Rotorschaufel
US6599092B1 (en) * 2002-01-04 2003-07-29 General Electric Company Methods and apparatus for cooling gas turbine nozzles
US6969230B2 (en) * 2002-12-17 2005-11-29 General Electric Company Venturi outlet turbine airfoil
FR2864990B1 (fr) * 2004-01-14 2008-02-22 Snecma Moteurs Perfectionnements apportes aux fentes d'evacuation de l'air de refroidissement d'aubes de turbine haute-pression
US7575414B2 (en) * 2005-04-01 2009-08-18 General Electric Company Turbine nozzle with trailing edge convection and film cooling
US7503749B2 (en) * 2005-04-01 2009-03-17 General Electric Company Turbine nozzle with trailing edge convection and film cooling
US7371048B2 (en) * 2005-05-27 2008-05-13 United Technologies Corporation Turbine blade trailing edge construction
JP5436457B2 (ja) * 2008-03-07 2014-03-05 アルストム テクノロジー リミテッド ガスタービンのための翼
US8092177B2 (en) * 2008-09-16 2012-01-10 Siemens Energy, Inc. Turbine airfoil cooling system with diffusion film cooling hole having flow restriction rib
EP2418357A1 (en) * 2010-08-05 2012-02-15 Siemens Aktiengesellschaft Turbine airfoil and method for thermal barrier coating
JP2012052513A (ja) * 2010-09-03 2012-03-15 Ihi Corp タービン翼

Also Published As

Publication number Publication date
US20130302176A1 (en) 2013-11-14
BR112014026785A2 (pt) 2017-06-27
JP2015516539A (ja) 2015-06-11
CN104285038A (zh) 2015-01-14
WO2013169471A1 (en) 2013-11-14
EP2855850A1 (en) 2015-04-08

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Legal Events

Date Code Title Description
EEER Examination request

Effective date: 20141030