IT978243B - COOLED DIRECTOR BLADE FOR GAS TURBINES - Google Patents

COOLED DIRECTOR BLADE FOR GAS TURBINES

Info

Publication number
IT978243B
IT978243B IT19321/73A IT1932173A IT978243B IT 978243 B IT978243 B IT 978243B IT 19321/73 A IT19321/73 A IT 19321/73A IT 1932173 A IT1932173 A IT 1932173A IT 978243 B IT978243 B IT 978243B
Authority
IT
Italy
Prior art keywords
cooled
gas turbines
director blade
director
blade
Prior art date
Application number
IT19321/73A
Other languages
Italian (it)
Original Assignee
Bbc Sulzer Turbomaschinen
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 Bbc Sulzer Turbomaschinen filed Critical Bbc Sulzer Turbomaschinen
Application granted granted Critical
Publication of IT978243B publication Critical patent/IT978243B/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
    • F01D5/187—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
    • F01D9/00—Stators
    • F01D9/02—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles
    • F01D9/04—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector
    • F01D9/041—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector using blades
    • 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
    • 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
    • F05D2260/22141—Improvement of heat transfer by increasing the heat transfer surface using fins or ribs

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
IT19321/73A 1972-01-18 1973-01-18 COOLED DIRECTOR BLADE FOR GAS TURBINES IT978243B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH69972 1972-01-18

Publications (1)

Publication Number Publication Date
IT978243B true IT978243B (en) 1974-09-20

Family

ID=4193097

Family Applications (1)

Application Number Title Priority Date Filing Date
IT19321/73A IT978243B (en) 1972-01-18 1973-01-18 COOLED DIRECTOR BLADE FOR GAS TURBINES

Country Status (11)

Country Link
US (1) US3807892A (en)
JP (1) JPS5145726B2 (en)
BE (1) BE794195A (en)
CA (1) CA967095A (en)
CH (1) CH547431A (en)
DE (1) DE2202858C2 (en)
FR (1) FR2168802A5 (en)
GB (1) GB1359983A (en)
IT (1) IT978243B (en)
NL (1) NL164358C (en)
SE (1) SE381311B (en)

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CH580750A5 (en) * 1974-07-17 1976-10-15 Bbc Sulzer Turbomaschinen
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FR2681095B1 (en) * 1991-09-05 1993-11-19 Snecma CARENE TURBINE DISTRIBUTOR.
US5634766A (en) * 1994-08-23 1997-06-03 General Electric Co. Turbine stator vane segments having combined air and steam cooling circuits
US5591002A (en) * 1994-08-23 1997-01-07 General Electric Co. Closed or open air cooling circuits for nozzle segments with wheelspace purge
US5503529A (en) * 1994-12-08 1996-04-02 General Electric Company Turbine blade having angled ejection slot
US5536143A (en) * 1995-03-31 1996-07-16 General Electric Co. Closed circuit steam cooled bucket
US5741117A (en) * 1996-10-22 1998-04-21 United Technologies Corporation Method for cooling a gas turbine stator vane
JP3426902B2 (en) * 1997-03-11 2003-07-14 三菱重工業株式会社 Gas turbine cooling vane
US5902093A (en) * 1997-08-22 1999-05-11 General Electric Company Crack arresting rotor blade
JP2002512334A (en) 1998-04-21 2002-04-23 シーメンス アクチエンゲゼルシヤフト Turbine blade
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US6343911B1 (en) * 2000-04-05 2002-02-05 General Electric Company Side wall cooling for nozzle segments for a gas turbine
US6386825B1 (en) * 2000-04-11 2002-05-14 General Electric Company Apparatus and methods for impingement cooling of a side wall of a turbine nozzle segment
US6453557B1 (en) * 2000-04-11 2002-09-24 General Electric Company Method of joining a vane cavity insert to a nozzle segment of a gas turbine
US6419445B1 (en) * 2000-04-11 2002-07-16 General Electric Company Apparatus for impingement cooling a side wall adjacent an undercut region of a turbine nozzle segment
US6375415B1 (en) * 2000-04-25 2002-04-23 General Electric Company Hook support for a closed circuit fluid cooled gas turbine nozzle stage segment
US6439837B1 (en) * 2000-06-27 2002-08-27 General Electric Company Nozzle braze backside cooling
GB2366600A (en) * 2000-09-09 2002-03-13 Rolls Royce Plc Cooling arrangement for trailing edge of aerofoil
US6454526B1 (en) * 2000-09-28 2002-09-24 Siemens Westinghouse Power Corporation Cooled turbine vane with endcaps
US6508620B2 (en) * 2001-05-17 2003-01-21 Pratt & Whitney Canada Corp. Inner platform impingement cooling by supply air from outside
US6634858B2 (en) * 2001-06-11 2003-10-21 Alstom (Switzerland) Ltd Gas turbine airfoil
US6527514B2 (en) 2001-06-11 2003-03-04 Alstom (Switzerland) Ltd Turbine blade with rub tolerant cooling construction
FR2833298B1 (en) * 2001-12-10 2004-08-06 Snecma Moteurs IMPROVEMENTS TO THE THERMAL BEHAVIOR OF THE TRAILING EDGE OF A HIGH-PRESSURE TURBINE BLADE
CH695702A5 (en) * 2002-01-15 2006-07-31 Alstom Technology Ltd Turbine vane, for a gas turbine, has inner cooling channels in a serpentine structure, with flow connections through hairpin bends
DE50202538D1 (en) 2002-01-17 2005-04-28 Siemens Ag Turbine blade with a hot gas platform and a load platform
US6860108B2 (en) * 2003-01-22 2005-03-01 Mitsubishi Heavy Industries, Ltd. Gas turbine tail tube seal and gas turbine using the same
US6969233B2 (en) * 2003-02-27 2005-11-29 General Electric Company Gas turbine engine turbine nozzle segment with a single hollow vane having a bifurcated cavity
US6984101B2 (en) * 2003-07-14 2006-01-10 Siemens Westinghouse Power Corporation Turbine vane plate assembly
US6929445B2 (en) * 2003-10-22 2005-08-16 General Electric Company Split flow turbine nozzle
US7029228B2 (en) * 2003-12-04 2006-04-18 General Electric Company Method and apparatus for convective cooling of side-walls of turbine nozzle segments
EP1571295A1 (en) * 2004-03-01 2005-09-07 ALSTOM Technology Ltd Cooled blade of a turbomachine and method of cooling
US7210906B2 (en) * 2004-08-10 2007-05-01 Pratt & Whitney Canada Corp. Internally cooled gas turbine airfoil and method
US7238003B2 (en) * 2004-08-24 2007-07-03 Pratt & Whitney Canada Corp. Vane attachment arrangement
US7189060B2 (en) * 2005-01-07 2007-03-13 Siemens Power Generation, Inc. Cooling system including mini channels within a turbine blade of a turbine engine
RU2425982C2 (en) * 2005-04-14 2011-08-10 Альстом Текнолоджи Лтд Gas turbine vane
US20090003987A1 (en) * 2006-12-21 2009-01-01 Jack Raul Zausner Airfoil with improved cooling slot arrangement
GB0813839D0 (en) 2008-07-30 2008-09-03 Rolls Royce Plc An aerofoil and method for making an aerofoil
ES2389034T3 (en) 2009-05-19 2012-10-22 Alstom Technology Ltd Gas turbine blade with improved cooling
US8500392B2 (en) * 2009-10-01 2013-08-06 Pratt & Whitney Canada Corp. Sealing for vane segments
US8616834B2 (en) * 2010-04-30 2013-12-31 General Electric Company Gas turbine engine airfoil integrated heat exchanger
US8777568B2 (en) * 2010-09-30 2014-07-15 General Electric Company Apparatus and methods for cooling platform regions of turbine rotor blades
US8840369B2 (en) * 2010-09-30 2014-09-23 General Electric Company Apparatus and methods for cooling platform regions of turbine rotor blades
US9145780B2 (en) * 2011-12-15 2015-09-29 United Technologies Corporation Gas turbine engine airfoil cooling circuit
US9151164B2 (en) * 2012-03-21 2015-10-06 Pratt & Whitney Canada Corp. Dual-use of cooling air for turbine vane and method
WO2014009074A1 (en) * 2012-07-12 2014-01-16 Siemens Aktiengesellschaft Turbine blade for a gas turbine
US9359902B2 (en) 2013-06-28 2016-06-07 Siemens Energy, Inc. Turbine airfoil with ambient cooling system
RU2568763C2 (en) * 2014-01-30 2015-11-20 Альстом Текнолоджи Лтд Gas turbine component
US9771816B2 (en) * 2014-05-07 2017-09-26 General Electric Company Blade cooling circuit feed duct, exhaust duct, and related cooling structure
US20170234142A1 (en) * 2016-02-17 2017-08-17 General Electric Company Rotor Blade Trailing Edge Cooling
US10156146B2 (en) * 2016-04-25 2018-12-18 General Electric Company Airfoil with variable slot decoupling
KR101882104B1 (en) * 2016-12-20 2018-07-25 두산중공업 주식회사 Gas turbine
US20200024967A1 (en) * 2018-07-20 2020-01-23 United Technologies Corporation Airfoil having angled trailing edge slots
US11028700B2 (en) 2018-11-09 2021-06-08 Raytheon Technologies Corporation Airfoil with cooling passage circuit through platforms and airfoil section
EP3862537A1 (en) 2020-02-10 2021-08-11 General Electric Company Polska sp. z o.o. Cooled turbine nozzle and nozzle segment
GB202117857D0 (en) * 2021-12-10 2022-01-26 Rolls Royce Plc Vane assembly for a gas turbine engine
CN115075891A (en) * 2022-05-29 2022-09-20 中国船舶重工集团公司第七0三研究所 Air-cooled turbine guide vane trailing edge structure with pressure side exhaust

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US3017159A (en) * 1956-11-23 1962-01-16 Curtiss Wright Corp Hollow blade construction
US3533711A (en) * 1966-02-26 1970-10-13 Gen Electric Cooled vane structure for high temperature turbines
US3623825A (en) * 1969-11-13 1971-11-30 Avco Corp Liquid-metal-filled rotor blade

Also Published As

Publication number Publication date
NL164358C (en) 1980-12-15
FR2168802A5 (en) 1973-08-31
BE794195A (en) 1973-07-18
CA967095A (en) 1975-05-06
CH547431A (en) 1974-03-29
NL164358B (en) 1980-07-15
JPS5145726B2 (en) 1976-12-04
US3807892A (en) 1974-04-30
DE2202858C2 (en) 1974-02-28
GB1359983A (en) 1974-07-17
NL7300634A (en) 1973-07-20
DE2202858B1 (en) 1973-07-26
SE381311B (en) 1975-12-01
JPS4882210A (en) 1973-11-02

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