JP4450570B2 - タービンブレード先端領域の温度を低下させる方法及び装置 - Google Patents

タービンブレード先端領域の温度を低下させる方法及び装置 Download PDF

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Publication number
JP4450570B2
JP4450570B2 JP2003153792A JP2003153792A JP4450570B2 JP 4450570 B2 JP4450570 B2 JP 4450570B2 JP 2003153792 A JP2003153792 A JP 2003153792A JP 2003153792 A JP2003153792 A JP 2003153792A JP 4450570 B2 JP4450570 B2 JP 4450570B2
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Japan
Prior art keywords
tip
airfoil
wall
extending
trailing edge
Prior art date
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Expired - Fee Related
Application number
JP2003153792A
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English (en)
Japanese (ja)
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JP2004028093A (ja
JP2004028093A5 (US07576130-20090818-C00114.png
Inventor
ショーン・ロバート・キース
トマス・エドワード・デマルシェ
ジョン・ロバート・ステイカー
ジャッド・ドッジ・トレスラー
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
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General Electric Co
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Publication date
Application filed by General Electric Co filed Critical General Electric Co
Publication of JP2004028093A publication Critical patent/JP2004028093A/ja
Publication of JP2004028093A5 publication Critical patent/JP2004028093A5/ja
Application granted granted Critical
Publication of JP4450570B2 publication Critical patent/JP4450570B2/ja
Anticipated expiration legal-status Critical
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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
    • 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
    • F01D5/141—Shape, i.e. outer, aerodynamic form
    • 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
    • F05D2260/202—Heat transfer, e.g. cooling by film cooling
    • 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
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49316—Impeller making
    • Y10T29/49336—Blade making
    • Y10T29/49339—Hollow blade
    • Y10T29/49341—Hollow blade with cooling passage

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
JP2003153792A 2002-05-31 2003-05-30 タービンブレード先端領域の温度を低下させる方法及び装置 Expired - Fee Related JP4450570B2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/160,527 US6652235B1 (en) 2002-05-31 2002-05-31 Method and apparatus for reducing turbine blade tip region temperatures

Publications (3)

Publication Number Publication Date
JP2004028093A JP2004028093A (ja) 2004-01-29
JP2004028093A5 JP2004028093A5 (US07576130-20090818-C00114.png) 2006-07-13
JP4450570B2 true JP4450570B2 (ja) 2010-04-14

Family

ID=29419730

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2003153792A Expired - Fee Related JP4450570B2 (ja) 2002-05-31 2003-05-30 タービンブレード先端領域の温度を低下させる方法及び装置

Country Status (4)

Country Link
US (1) US6652235B1 (US07576130-20090818-C00114.png)
EP (1) EP1367222A3 (US07576130-20090818-C00114.png)
JP (1) JP4450570B2 (US07576130-20090818-C00114.png)
CN (1) CN100572756C (US07576130-20090818-C00114.png)

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US7029235B2 (en) * 2004-04-30 2006-04-18 Siemens Westinghouse Power Corporation Cooling system for a tip of a turbine blade
US7118337B2 (en) * 2004-06-17 2006-10-10 Siemens Power Generation, Inc. Gas turbine airfoil trailing edge corner
FR2889243B1 (fr) * 2005-07-26 2007-11-02 Snecma Aube de turbomachine
US7281894B2 (en) * 2005-09-09 2007-10-16 General Electric Company Turbine airfoil curved squealer tip with tip shelf
US7513743B2 (en) * 2006-05-02 2009-04-07 Siemens Energy, Inc. Turbine blade with wavy squealer tip rail
US7625178B2 (en) * 2006-08-30 2009-12-01 Honeywell International Inc. High effectiveness cooled turbine blade
US7597539B1 (en) 2006-09-27 2009-10-06 Florida Turbine Technologies, Inc. Turbine blade with vortex cooled end tip rail
US20080085193A1 (en) * 2006-10-05 2008-04-10 Siemens Power Generation, Inc. Turbine airfoil cooling system with enhanced tip corner cooling channel
US7857587B2 (en) * 2006-11-30 2010-12-28 General Electric Company Turbine blades and turbine blade cooling systems and methods
US8172518B2 (en) * 2006-12-29 2012-05-08 General Electric Company Methods and apparatus for fabricating a rotor assembly
US8011889B1 (en) 2007-09-07 2011-09-06 Florida Turbine Technologies, Inc. Turbine blade with trailing edge tip corner cooling
DE102008047043A1 (de) * 2008-09-13 2010-03-18 Mtu Aero Engines Gmbh Ersatzteil für eine Gasturbinen-Schaufel einer Gasturbine, Gasturbinen-Schaufel sowie ein Verfahren zur Reparatur einer Gasturbinen-Schaufel
US8172534B2 (en) * 2009-01-21 2012-05-08 General Electric Company Turbine blade or vane with improved cooling
US8092179B2 (en) * 2009-03-12 2012-01-10 United Technologies Corporation Blade tip cooling groove
US8157504B2 (en) * 2009-04-17 2012-04-17 General Electric Company Rotor blades for turbine engines
EP2491230B1 (en) * 2009-10-20 2020-11-25 Siemens Energy, Inc. Gas turbine engine comprising a turbine airfoil with tapered cooling passageways
US8371815B2 (en) * 2010-03-17 2013-02-12 General Electric Company Apparatus for cooling an airfoil
GB201006449D0 (en) * 2010-04-19 2010-06-02 Rolls Royce Plc Blades
US8894363B2 (en) 2011-02-09 2014-11-25 Siemens Energy, Inc. Cooling module design and method for cooling components of a gas turbine system
US8668459B2 (en) * 2010-05-28 2014-03-11 Hamilton Sundstrand Corporation Turbine blade walking prevention
GB201017797D0 (en) 2010-10-21 2010-12-01 Rolls Royce Plc An aerofoil structure
US20120164376A1 (en) * 2010-12-23 2012-06-28 General Electric Company Method of modifying a substrate for passage hole formation therein, and related articles
US8684691B2 (en) 2011-05-03 2014-04-01 Siemens Energy, Inc. Turbine blade with chamfered squealer tip and convective cooling holes
CN102678189A (zh) * 2011-12-13 2012-09-19 河南科技大学 一种具有叶顶防泄漏结构的涡轮冷却叶片
US9200523B2 (en) * 2012-03-14 2015-12-01 Honeywell International Inc. Turbine blade tip cooling
US9228442B2 (en) * 2012-04-05 2016-01-05 United Technologies Corporation Turbine airfoil tip shelf and squealer pocket cooling
US9045987B2 (en) 2012-06-15 2015-06-02 United Technologies Corporation Cooling for a turbine airfoil trailing edge
US9334742B2 (en) 2012-10-05 2016-05-10 General Electric Company Rotor blade and method for cooling the rotor blade
US10655473B2 (en) 2012-12-13 2020-05-19 United Technologies Corporation Gas turbine engine turbine blade leading edge tip trench cooling
US8920124B2 (en) * 2013-02-14 2014-12-30 Siemens Energy, Inc. Turbine blade with contoured chamfered squealer tip
CN103397912B (zh) * 2013-08-19 2015-07-15 中国航空动力机械研究所 涡轮发动机转子叶片及涡轮和涡轮发动机
US10107108B2 (en) 2015-04-29 2018-10-23 General Electric Company Rotor blade having a flared tip
JP6659823B2 (ja) * 2015-07-31 2020-03-04 ゼネラル・エレクトリック・カンパニイ タービンブレードの冷却配置
EP3225782B1 (en) * 2016-03-29 2019-01-23 Ansaldo Energia Switzerland AG Airfoil and corresponding blading member
US10119406B2 (en) * 2016-05-12 2018-11-06 General Electric Company Blade with stress-reducing bulbous projection at turn opening of coolant passages
US10240465B2 (en) * 2016-10-26 2019-03-26 General Electric Company Cooling circuits for a multi-wall blade
US10822103B2 (en) * 2017-02-10 2020-11-03 General Electric Company Propulsor assembly for an aircraft
US10533428B2 (en) * 2017-06-05 2020-01-14 United Technologies Corporation Oblong purge holes
US10822959B2 (en) * 2017-06-15 2020-11-03 Raytheon Technologies Corporation Blade tip cooling
JP7223570B2 (ja) * 2018-12-06 2023-02-16 三菱重工業株式会社 タービン動翼、タービン及びチップクリアランス計測方法
US11118462B2 (en) * 2019-01-24 2021-09-14 Pratt & Whitney Canada Corp. Blade tip pocket rib
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Also Published As

Publication number Publication date
CN100572756C (zh) 2009-12-23
EP1367222A3 (en) 2005-08-10
US6652235B1 (en) 2003-11-25
CN1461872A (zh) 2003-12-17
EP1367222A2 (en) 2003-12-03
US20030223870A1 (en) 2003-12-04
JP2004028093A (ja) 2004-01-29

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