CN101333941A - 穹顶形的末梢帽及相关方法 - Google Patents

穹顶形的末梢帽及相关方法 Download PDF

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Publication number
CN101333941A
CN101333941A CNA2008101293803A CN200810129380A CN101333941A CN 101333941 A CN101333941 A CN 101333941A CN A2008101293803 A CNA2008101293803 A CN A2008101293803A CN 200810129380 A CN200810129380 A CN 200810129380A CN 101333941 A CN101333941 A CN 101333941A
Authority
CN
China
Prior art keywords
tip cap
wheel blade
airfoil section
outer end
shape
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
CNA2008101293803A
Other languages
English (en)
Chinese (zh)
Inventor
L·维尔特尔
W·S·泽米蒂斯
G·C·利奥塔
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 CN101333941A publication Critical patent/CN101333941A/zh
Pending legal-status Critical Current

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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
    • F01D5/20—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
    • F05D2230/00—Manufacture
    • F05D2230/20—Manufacture essentially without removing material
    • F05D2230/21—Manufacture essentially without removing material by casting
    • 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
    • F05D2230/00—Manufacture
    • F05D2230/20—Manufacture essentially without removing material
    • F05D2230/23—Manufacture essentially without removing material by permanently joining parts together
    • F05D2230/232—Manufacture essentially without removing material by permanently joining parts together by welding
    • 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)
CNA2008101293803A 2007-06-25 2008-06-25 穹顶形的末梢帽及相关方法 Pending CN101333941A (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/819030 2007-06-25
US11/819,030 US20080317597A1 (en) 2007-06-25 2007-06-25 Domed tip cap and related method

Publications (1)

Publication Number Publication Date
CN101333941A true CN101333941A (zh) 2008-12-31

Family

ID=40076133

Family Applications (1)

Application Number Title Priority Date Filing Date
CNA2008101293803A Pending CN101333941A (zh) 2007-06-25 2008-06-25 穹顶形的末梢帽及相关方法

Country Status (4)

Country Link
US (1) US20080317597A1 (ja)
JP (1) JP2009002339A (ja)
CN (1) CN101333941A (ja)
DE (1) DE102008002906A1 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104271886A (zh) * 2012-05-09 2015-01-07 西门子能量股份有限公司 涡轮叶梢的维修方法

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8573949B2 (en) * 2009-09-30 2013-11-05 General Electric Company Method and system for focused energy brazing
FR3037974B1 (fr) * 2015-06-29 2017-07-21 Snecma Procede de fabrication d'une aube comportant une baignoire integrant un muret
US11814979B1 (en) * 2022-09-21 2023-11-14 Rtx Corporation Systems and methods of hybrid blade tip repair

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6086328A (en) * 1998-12-21 2000-07-11 General Electric Company Tapered tip turbine blade
US6685434B1 (en) * 2002-09-17 2004-02-03 General Electric Company Second stage turbine bucket airfoil
CN1880727A (zh) * 2005-02-25 2006-12-20 通用电气公司 扭矩调整的整体覆盖的涡轮叶片以及相关方法
CN1908380A (zh) * 2005-08-03 2007-02-07 联合工艺公司 涡轮叶片
US7175391B2 (en) * 2004-07-08 2007-02-13 United Technologies Corporation Turbine blade

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4020538A (en) * 1973-04-27 1977-05-03 General Electric Company Turbomachinery blade tip cap configuration
US3982851A (en) * 1975-09-02 1976-09-28 General Electric Company Tip cap apparatus
US4214355A (en) * 1977-12-21 1980-07-29 General Electric Company Method for repairing a turbomachinery blade tip
US4247254A (en) * 1978-12-22 1981-01-27 General Electric Company Turbomachinery blade with improved tip cap
US4390320A (en) * 1980-05-01 1983-06-28 General Electric Company Tip cap for a rotor blade and method of replacement
US4589823A (en) * 1984-04-27 1986-05-20 General Electric Company Rotor blade tip
US4802828A (en) * 1986-12-29 1989-02-07 United Technologies Corporation Turbine blade having a fused metal-ceramic tip
US4761116A (en) * 1987-05-11 1988-08-02 General Electric Company Turbine blade with tip vent
US5261789A (en) * 1992-08-25 1993-11-16 General Electric Company Tip cooled blade
US5503527A (en) * 1994-12-19 1996-04-02 General Electric Company Turbine blade having tip slot
US5672261A (en) * 1996-08-09 1997-09-30 General Electric Company Method for brazing an end plate within an open body end, and brazed article
US5733102A (en) * 1996-12-17 1998-03-31 General Electric Company Slot cooled blade tip
US6027306A (en) * 1997-06-23 2000-02-22 General Electric Company Turbine blade tip flow discouragers
US5997251A (en) * 1997-11-17 1999-12-07 General Electric Company Ribbed turbine blade tip
US6179556B1 (en) * 1999-06-01 2001-01-30 General Electric Company Turbine blade tip with offset squealer
US6224337B1 (en) * 1999-09-17 2001-05-01 General Electric Company Thermal barrier coated squealer tip cavity
US6506022B2 (en) * 2001-04-27 2003-01-14 General Electric Company Turbine blade having a cooled tip shroud
US6602052B2 (en) * 2001-06-20 2003-08-05 Alstom (Switzerland) Ltd Airfoil tip squealer cooling construction
US6616410B2 (en) * 2001-11-01 2003-09-09 General Electric Company Oxidation resistant and/or abrasion resistant squealer tip and method for casting same
US6634860B2 (en) * 2001-12-20 2003-10-21 General Electric Company Foil formed structure for turbine airfoil tip
US6991430B2 (en) * 2003-04-07 2006-01-31 General Electric Company Turbine blade with recessed squealer tip and shelf
US7063509B2 (en) * 2003-09-05 2006-06-20 General Electric Company Conical tip shroud fillet for a turbine bucket
US7001151B2 (en) * 2004-03-02 2006-02-21 General Electric Company Gas turbine bucket tip cap
US7137782B2 (en) * 2004-04-27 2006-11-21 General Electric Company Turbulator on the underside of a turbine blade tip turn and related method
US7922455B2 (en) * 2005-09-19 2011-04-12 General Electric Company Steam-cooled gas turbine bucker for reduced tip leakage loss
US7695243B2 (en) * 2006-07-27 2010-04-13 General Electric Company Dust hole dome blade

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6086328A (en) * 1998-12-21 2000-07-11 General Electric Company Tapered tip turbine blade
US6685434B1 (en) * 2002-09-17 2004-02-03 General Electric Company Second stage turbine bucket airfoil
US7175391B2 (en) * 2004-07-08 2007-02-13 United Technologies Corporation Turbine blade
CN1880727A (zh) * 2005-02-25 2006-12-20 通用电气公司 扭矩调整的整体覆盖的涡轮叶片以及相关方法
CN1908380A (zh) * 2005-08-03 2007-02-07 联合工艺公司 涡轮叶片

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104271886A (zh) * 2012-05-09 2015-01-07 西门子能量股份有限公司 涡轮叶梢的维修方法
US9186757B2 (en) 2012-05-09 2015-11-17 Siemens Energy, Inc. Method of providing a turbine blade tip repair

Also Published As

Publication number Publication date
US20080317597A1 (en) 2008-12-25
DE102008002906A1 (de) 2009-01-02
JP2009002339A (ja) 2009-01-08

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Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C02 Deemed withdrawal of patent application after publication (patent law 2001)
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20081231