BR112014027901A2 - turbine airfoil - Google Patents

turbine airfoil

Info

Publication number
BR112014027901A2
BR112014027901A2 BR112014027901A BR112014027901A BR112014027901A2 BR 112014027901 A2 BR112014027901 A2 BR 112014027901A2 BR 112014027901 A BR112014027901 A BR 112014027901A BR 112014027901 A BR112014027901 A BR 112014027901A BR 112014027901 A2 BR112014027901 A2 BR 112014027901A2
Authority
BR
Brazil
Prior art keywords
turbine airfoil
airfoil
turbine
Prior art date
Application number
BR112014027901A
Other languages
Portuguese (pt)
Inventor
Lee Durstock Daniel
Frederick Bergholz Robert Jr
Original Assignee
Gen Electric
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 Gen Electric filed Critical Gen Electric
Publication of BR112014027901A2 publication Critical patent/BR112014027901A2/en

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
    • 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
    • F01D5/188—Convection cooling with an insert in the blade cavity to guide the cooling fluid, e.g. forming a separation wall
    • 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
    • F01D5/188—Convection cooling with an insert in the blade cavity to guide the cooling fluid, e.g. forming a separation wall
    • F01D5/189—Convection cooling with an insert in the blade cavity to guide the cooling fluid, e.g. forming a separation wall the insert having a tubular cross-section, e.g. airfoil shape
    • 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)
BR112014027901A 2012-05-09 2013-04-12 turbine airfoil BR112014027901A2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201261644618P 2012-05-09 2012-05-09
US13/470,820 US20130302179A1 (en) 2012-05-09 2012-05-14 Turbine airfoil trailing edge cooling hole plug and slot
PCT/US2013/036319 WO2013169435A1 (en) 2012-05-09 2013-04-12 Turbine airfoil trailing edge cooling hole plug and slot

Publications (1)

Publication Number Publication Date
BR112014027901A2 true BR112014027901A2 (en) 2017-06-27

Family

ID=49548743

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112014027901A BR112014027901A2 (en) 2012-05-09 2013-04-12 turbine airfoil

Country Status (7)

Country Link
US (1) US20130302179A1 (en)
EP (1) EP2861828A1 (en)
JP (1) JP2015516538A (en)
CN (1) CN104285037A (en)
BR (1) BR112014027901A2 (en)
CA (1) CA2872251A1 (en)
WO (1) WO2013169435A1 (en)

Families Citing this family (13)

* 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
CN106536858B (en) * 2014-07-24 2019-01-01 西门子公司 With the turbine airfoil cooling system for extending stream block device along the span
US20160169004A1 (en) * 2014-12-15 2016-06-16 United Technologies Corporation Cooling passages for gas turbine engine component
US9995147B2 (en) 2015-02-11 2018-06-12 United Technologies Corporation Blade tip cooling arrangement
US10030525B2 (en) * 2015-03-18 2018-07-24 General Electric Company Turbine engine component with diffuser holes
EP3109404A1 (en) * 2015-06-23 2016-12-28 Siemens Aktiengesellschaft Turbine assembly
US10227876B2 (en) 2015-12-07 2019-03-12 General Electric Company Fillet optimization for turbine airfoil
US10301954B2 (en) 2016-01-08 2019-05-28 General Electric Company Turbine airfoil trailing edge cooling passage
KR20180082118A (en) * 2017-01-10 2018-07-18 두산중공업 주식회사 Cut-back of blades or vanes of gas turbine
FR3062675B1 (en) * 2017-02-07 2021-01-15 Safran Helicopter Engines HELICOPTER TURBINE HIGH PRESSURE VENTILATED VANE INCLUDING UPSTREAM DUCT AND CENTRAL COOLING CAVITY
WO2019005425A1 (en) 2017-06-30 2019-01-03 Siemens Aktiengesellschaft Turbine airfoil with trailing edge features and casting core
EP3492702A1 (en) * 2017-11-29 2019-06-05 Siemens Aktiengesellschaft Internally-cooled turbomachine component
CN112523810B (en) * 2020-12-14 2021-08-20 北京航空航天大学 Triangular column type flow guide structure applied to turbine blade trailing edge half-splitting seam

Family Cites Families (12)

* 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
FR2782118B1 (en) * 1998-08-05 2000-09-15 Snecma COOLED TURBINE BLADE WITH LEADING EDGE
US6402470B1 (en) * 1999-10-05 2002-06-11 United Technologies Corporation Method and apparatus for cooling a wall within a gas turbine engine
EP1213442B1 (en) * 2000-12-05 2009-03-11 United Technologies Corporation Rotor blade
US6612811B2 (en) * 2001-12-12 2003-09-02 General Electric Company Airfoil for a turbine nozzle of a gas turbine engine and method of making same
FR2864990B1 (en) * 2004-01-14 2008-02-22 Snecma Moteurs IMPROVEMENTS IN THE HIGH-PRESSURE TURBINE AIR COOLING AIR EXHAUST DUCTING SLOTS
US7246992B2 (en) * 2005-01-28 2007-07-24 General Electric Company High efficiency fan cooling holes for turbine airfoil
US7374401B2 (en) * 2005-03-01 2008-05-20 General Electric Company Bell-shaped fan cooling holes for turbine airfoil
US7575414B2 (en) * 2005-04-01 2009-08-18 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
WO2009109462A1 (en) * 2008-03-07 2009-09-11 Alstom Technology Ltd Vane for a gas turbine

Also Published As

Publication number Publication date
WO2013169435A1 (en) 2013-11-14
CN104285037A (en) 2015-01-14
JP2015516538A (en) 2015-06-11
US20130302179A1 (en) 2013-11-14
EP2861828A1 (en) 2015-04-22
CA2872251A1 (en) 2013-11-14

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Legal Events

Date Code Title Description
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]
B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]