DE2346341A1 - Verbesserter kuehlschlitz fuer tragfluegelfoermige laufschaufel - Google Patents

Verbesserter kuehlschlitz fuer tragfluegelfoermige laufschaufel

Info

Publication number
DE2346341A1
DE2346341A1 DE19732346341 DE2346341A DE2346341A1 DE 2346341 A1 DE2346341 A1 DE 2346341A1 DE 19732346341 DE19732346341 DE 19732346341 DE 2346341 A DE2346341 A DE 2346341A DE 2346341 A1 DE2346341 A1 DE 2346341A1
Authority
DE
Germany
Prior art keywords
channels
trailing edge
rotor blade
edge
cavity
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
DE19732346341
Other languages
German (de)
English (en)
Inventor
Terry Thomas Eckert
Ambrose Andrew Hauser
Donel James Dwight Mc
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 DE2346341A1 publication Critical patent/DE2346341A1/de
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
    • F01D5/187—Convection cooling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
    • B23P15/04—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass turbine or like blades from several pieces
    • 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
    • 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
    • F05D2260/2214—Improvement of heat transfer by increasing the heat transfer surface

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
DE19732346341 1972-09-21 1973-09-14 Verbesserter kuehlschlitz fuer tragfluegelfoermige laufschaufel Pending DE2346341A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00291005A US3819295A (en) 1972-09-21 1972-09-21 Cooling slot for airfoil blade

Publications (1)

Publication Number Publication Date
DE2346341A1 true DE2346341A1 (de) 1974-03-28

Family

ID=23118427

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19732346341 Pending DE2346341A1 (de) 1972-09-21 1973-09-14 Verbesserter kuehlschlitz fuer tragfluegelfoermige laufschaufel

Country Status (8)

Country Link
US (1) US3819295A (enExample)
JP (1) JPS4970018A (enExample)
BE (1) BE805133A (enExample)
CA (1) CA1006821A (enExample)
DE (1) DE2346341A1 (enExample)
FR (1) FR2224726B1 (enExample)
GB (1) GB1446045A (enExample)
IT (1) IT993176B (enExample)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5246341A (en) * 1992-07-06 1993-09-21 United Technologies Corporation Turbine blade trailing edge cooling construction
DE19648380A1 (de) * 1996-03-14 1997-09-18 Abb Uniturbo Gekühlte Laufschaufel oder Leitschaufel für eine Gasturbine
EP1947296A3 (en) * 2007-01-09 2014-01-15 United Technologies Corporation Turbine blade with reserve cooling air film hole direction

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US3864199A (en) * 1973-07-26 1975-02-04 Gen Motors Corp Angular discharge porous sheet
US4128928A (en) * 1976-12-29 1978-12-12 General Electric Company Method of forming a curved trailing edge cooling slot
US4090810A (en) * 1977-03-23 1978-05-23 General Electric Company Liquid-cooled turbine bucket with enhanced heat transfer performance
US4203706A (en) * 1977-12-28 1980-05-20 United Technologies Corporation Radial wafer airfoil construction
US4752186A (en) * 1981-06-26 1988-06-21 United Technologies Corporation Coolable wall configuration
US4407632A (en) * 1981-06-26 1983-10-04 United Technologies Corporation Airfoil pedestaled trailing edge region cooling configuration
US4515523A (en) * 1983-10-28 1985-05-07 Westinghouse Electric Corp. Cooling arrangement for airfoil stator vane trailing edge
GB2260166B (en) * 1985-10-18 1993-06-30 Rolls Royce Cooled aerofoil blade or vane for a gas turbine engine
US5102299A (en) * 1986-11-10 1992-04-07 The United States Of America As Represented By The Secretary Of The Air Force Airfoil trailing edge cooling configuration
US4923371A (en) * 1988-04-01 1990-05-08 General Electric Company Wall having cooling passage
GB8830152D0 (en) * 1988-12-23 1989-09-20 Rolls Royce Plc Cooled turbomachinery components
US5002460A (en) * 1989-10-02 1991-03-26 General Electric Company Internally cooled airfoil blade
US5704763A (en) * 1990-08-01 1998-01-06 General Electric Company Shear jet cooling passages for internally cooled machine elements
US5326224A (en) * 1991-03-01 1994-07-05 General Electric Company Cooling hole arrangements in jet engine components exposed to hot gas flow
US5660523A (en) * 1992-02-03 1997-08-26 General Electric Company Turbine blade squealer tip peripheral end wall with cooling passage arrangement
US5370499A (en) * 1992-02-03 1994-12-06 General Electric Company Film cooling of turbine airfoil wall using mesh cooling hole arrangement
US5690472A (en) * 1992-02-03 1997-11-25 General Electric Company Internal cooling of turbine airfoil wall using mesh cooling hole arrangement
FR2698126B1 (fr) * 1992-11-18 1994-12-16 Snecma Aube creuse de soufflante ou compresseur de turbomachine.
DE4322431C2 (de) * 1993-07-06 1997-04-10 Mtu Muenchen Gmbh Kühlstruktur und Verfahren zu ihrer Herstellung
US5503529A (en) * 1994-12-08 1996-04-02 General Electric Company Turbine blade having angled ejection slot
GB2310896A (en) * 1996-03-05 1997-09-10 Rolls Royce Plc Air cooled wall
US6064721A (en) * 1997-10-22 2000-05-16 Telecommunications Techniques Corporation Modular test instrument
EP0935052B1 (en) * 1998-02-04 2006-05-03 Mitsubishi Heavy Industries, Ltd. Gas turbine rotor blade
US6019572A (en) * 1998-08-06 2000-02-01 Siemens Westinghouse Power Corporation Gas turbine row #1 steam cooled vane
US6402470B1 (en) 1999-10-05 2002-06-11 United Technologies Corporation Method and apparatus for cooling a wall within a gas turbine engine
US6254334B1 (en) 1999-10-05 2001-07-03 United Technologies Corporation Method and apparatus for cooling a wall within a gas turbine engine
US6325593B1 (en) 2000-02-18 2001-12-04 General Electric Company Ceramic turbine airfoils with cooled trailing edge blocks
GB2401915B (en) * 2003-05-23 2006-06-14 Rolls Royce Plc Turbine blade
US6981840B2 (en) * 2003-10-24 2006-01-03 General Electric Company Converging pin cooled airfoil
US7011502B2 (en) * 2004-04-15 2006-03-14 General Electric Company Thermal shield turbine airfoil
GB2417295B (en) * 2004-08-21 2006-10-25 Rolls Royce Plc A component having a cooling arrangement
GB2428749B (en) * 2005-08-02 2007-11-28 Rolls Royce Plc A component comprising a multiplicity of cooling passages
US9133715B2 (en) * 2006-09-20 2015-09-15 United Technologies Corporation Structural members in a pedestal array
US7785071B1 (en) 2007-05-31 2010-08-31 Florida Turbine Technologies, Inc. Turbine airfoil with spiral trailing edge cooling passages
US8052390B1 (en) 2007-10-19 2011-11-08 Florida Turbine Technologies, Inc. Turbine airfoil with showerhead cooling
WO2011050025A2 (en) * 2009-10-20 2011-04-28 Siemens Energy, Inc. Airfoil incorporating tapered cooling structures defining cooling passageways
US8317474B1 (en) 2010-01-19 2012-11-27 Florida Turbine Technologies, Inc. Turbine blade with near wall cooling
US8894363B2 (en) 2011-02-09 2014-11-25 Siemens Energy, Inc. Cooling module design and method for cooling components of a gas turbine system
US8944141B2 (en) * 2010-12-22 2015-02-03 United Technologies Corporation Drill to flow mini core
US10060264B2 (en) * 2010-12-30 2018-08-28 Rolls-Royce North American Technologies Inc. Gas turbine engine and cooled flowpath component therefor
US8840363B2 (en) * 2011-09-09 2014-09-23 Siemens Energy, Inc. Trailing edge cooling system in a turbine airfoil assembly
JP2014005812A (ja) * 2012-06-27 2014-01-16 Hitachi Ltd ガスタービン翼
US8951004B2 (en) 2012-10-23 2015-02-10 Siemens Aktiengesellschaft Cooling arrangement for a gas turbine component
US8936067B2 (en) 2012-10-23 2015-01-20 Siemens Aktiengesellschaft Casting core for a cooling arrangement for a gas turbine component
US9995150B2 (en) 2012-10-23 2018-06-12 Siemens Aktiengesellschaft Cooling configuration for a gas turbine engine airfoil
FR3029242B1 (fr) 2014-11-28 2016-12-30 Snecma Aube de turbomachine, comprenant des cloisons entrecroisees pour la circulation d'air en direction du bord de fuite
GB2533315B (en) 2014-12-16 2017-04-12 Rolls Royce Plc Cooling of engine components
US9995147B2 (en) * 2015-02-11 2018-06-12 United Technologies Corporation Blade tip cooling arrangement
US20170234142A1 (en) * 2016-02-17 2017-08-17 General Electric Company Rotor Blade Trailing Edge Cooling
US10830058B2 (en) * 2016-11-30 2020-11-10 Rolls-Royce Corporation Turbine engine components with cooling features
US10975704B2 (en) 2018-02-19 2021-04-13 General Electric Company Engine component with cooling hole
US10563519B2 (en) 2018-02-19 2020-02-18 General Electric Company Engine component with cooling hole
US10975710B2 (en) * 2018-12-05 2021-04-13 Raytheon Technologies Corporation Cooling circuit for gas turbine engine component

Family Cites Families (10)

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Publication number Priority date Publication date Assignee Title
US1884612A (en) * 1930-03-14 1932-10-25 Southwark Foundry & Machine Co Steam platen
GB845227A (en) * 1957-09-02 1960-08-17 Rolls Royce Improvements in turbine blades and methods of manufacturing same
US3420502A (en) * 1962-09-04 1969-01-07 Gen Electric Fluid-cooled airfoil
US3329596A (en) * 1963-08-07 1967-07-04 Gen Electric Method of electrolytically machining branch passages providing communication betweenmain passages in a metal article
US3584972A (en) * 1966-02-09 1971-06-15 Gen Motors Corp Laminated porous metal
GB1175816A (en) * 1968-06-24 1969-12-23 Rolls Royce Improvements relating to the Cooling of Aerofoil Shaped Blades
US3700348A (en) * 1968-08-13 1972-10-24 Gen Electric Turbomachinery blade structure
US3700418A (en) * 1969-11-24 1972-10-24 Gen Motors Corp Cooled airfoil and method of making it
BE755567A (fr) * 1969-12-01 1971-02-15 Gen Electric Structure d'aube fixe, pour moteur a turbines a gaz et arrangement de reglage de temperature associe
US3688833A (en) * 1970-11-03 1972-09-05 Vladimir Alexandrovich Bykov Secondary cooling system for continuous casting plants

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5246341A (en) * 1992-07-06 1993-09-21 United Technologies Corporation Turbine blade trailing edge cooling construction
DE19648380A1 (de) * 1996-03-14 1997-09-18 Abb Uniturbo Gekühlte Laufschaufel oder Leitschaufel für eine Gasturbine
DE19648380B4 (de) * 1996-03-14 2006-11-09 Alstom Technology Ltd. Innengekühlte Laufschaufel oder Leitschaufel für eine Gasturbine
EP1947296A3 (en) * 2007-01-09 2014-01-15 United Technologies Corporation Turbine blade with reserve cooling air film hole direction

Also Published As

Publication number Publication date
JPS4970018A (enExample) 1974-07-06
FR2224726B1 (enExample) 1977-05-20
IT993176B (it) 1975-09-30
GB1446045A (en) 1976-08-11
US3819295A (en) 1974-06-25
FR2224726A1 (enExample) 1974-10-31
BE805133A (fr) 1974-01-16
CA1006821A (en) 1977-03-15

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