CN100362213C - 涡轮叶片顶部覆环边缘轮廓 - Google Patents

涡轮叶片顶部覆环边缘轮廓 Download PDF

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Publication number
CN100362213C
CN100362213C CNB200410071220XA CN200410071220A CN100362213C CN 100362213 C CN100362213 C CN 100362213C CN B200410071220X A CNB200410071220X A CN B200410071220XA CN 200410071220 A CN200410071220 A CN 200410071220A CN 100362213 C CN100362213 C CN 100362213C
Authority
CN
China
Prior art keywords
top shroud
values
airfoil
profile
leading
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.)
Expired - Fee Related
Application number
CNB200410071220XA
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English (en)
Chinese (zh)
Other versions
CN1576517A (zh
Inventor
D·D·斯诺克
P·G·克勒维兰
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 CN1576517A publication Critical patent/CN1576517A/zh
Application granted granted Critical
Publication of CN100362213C publication Critical patent/CN100362213C/zh
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • F01D5/22—Blade-to-blade connections, e.g. for damping vibrations
    • F01D5/225—Blade-to-blade connections, e.g. for damping vibrations by shrouding
    • 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
    • F05D2250/00—Geometry
    • F05D2250/70—Shape

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
CNB200410071220XA 2003-07-17 2004-07-16 涡轮叶片顶部覆环边缘轮廓 Expired - Fee Related CN100362213C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/620,365 US6893216B2 (en) 2003-07-17 2003-07-17 Turbine bucket tip shroud edge profile
US10/620365 2003-07-17

Publications (2)

Publication Number Publication Date
CN1576517A CN1576517A (zh) 2005-02-09
CN100362213C true CN100362213C (zh) 2008-01-16

Family

ID=33477094

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB200410071220XA Expired - Fee Related CN100362213C (zh) 2003-07-17 2004-07-16 涡轮叶片顶部覆环边缘轮廓

Country Status (4)

Country Link
US (1) US6893216B2 (https=)
EP (1) EP1498578A1 (https=)
JP (1) JP2005036810A (https=)
CN (1) CN100362213C (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103216271A (zh) * 2012-01-20 2013-07-24 通用电气公司 涡轮机械叶片尖端护罩

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006002464A1 (en) * 2004-07-01 2006-01-12 Ringprop Trading Limited Shroud or ring propeller blade interface
US20060280610A1 (en) * 2005-06-13 2006-12-14 Heyward John P Turbine blade and method of fabricating same
US7329092B2 (en) * 2006-01-27 2008-02-12 General Electric Company Stator blade airfoil profile for a compressor
US7329093B2 (en) * 2006-01-27 2008-02-12 General Electric Company Nozzle blade airfoil profile for a turbine
US7306436B2 (en) * 2006-03-02 2007-12-11 Pratt & Whitney Canada Corp. HP turbine blade airfoil profile
US7862300B2 (en) * 2006-05-18 2011-01-04 Wood Group Heavy Industrial Turbines Ag Turbomachinery blade having a platform relief hole
US20070269316A1 (en) * 2006-05-18 2007-11-22 Williams Andrew D Turbine blade with trailing edge cutback and method of making same
US7527477B2 (en) * 2006-07-31 2009-05-05 General Electric Company Rotor blade and method of fabricating same
US7762779B2 (en) * 2006-08-03 2010-07-27 General Electric Company Turbine blade tip shroud
US7686568B2 (en) * 2006-09-22 2010-03-30 General Electric Company Methods and apparatus for fabricating turbine engines
US20090097979A1 (en) * 2007-07-31 2009-04-16 Omer Duane Erdmann Rotor blade
US8043061B2 (en) * 2007-08-22 2011-10-25 General Electric Company Turbine bucket tip shroud edge profile
US7887295B2 (en) * 2007-11-08 2011-02-15 General Electric Company Z-Notch shape for a turbine blade
US8057186B2 (en) * 2008-04-22 2011-11-15 General Electric Company Shape for a turbine bucket tip shroud
US8100657B2 (en) * 2008-09-08 2012-01-24 General Electric Company Steam turbine rotating blade for a low pressure section of a steam turbine engine
US8057187B2 (en) * 2008-09-08 2011-11-15 General Electric Company Steam turbine rotating blade for a low pressure section of a steam turbine engine
US8210822B2 (en) * 2008-09-08 2012-07-03 General Electric Company Dovetail for steam turbine rotating blade and rotor wheel
US8096775B2 (en) * 2008-09-08 2012-01-17 General Electric Company Steam turbine rotating blade for a low pressure section of a steam turbine engine
US8052393B2 (en) * 2008-09-08 2011-11-08 General Electric Company Steam turbine rotating blade for a low pressure section of a steam turbine engine
US8075272B2 (en) * 2008-10-14 2011-12-13 General Electric Company Steam turbine rotating blade for a low pressure section of a steam turbine engine
US8118557B2 (en) * 2009-03-25 2012-02-21 General Electric Company Steam turbine rotating blade of 52 inch active length for steam turbine low pressure application
US7997873B2 (en) * 2009-03-27 2011-08-16 General Electric Company High efficiency last stage bucket for steam turbine
US8721289B2 (en) * 2009-10-30 2014-05-13 General Electric Company Flow balancing slot
US10138736B2 (en) * 2012-01-20 2018-11-27 General Electric Company Turbomachine blade tip shroud
US9328619B2 (en) 2012-10-29 2016-05-03 General Electric Company Blade having a hollow part span shroud
US10215032B2 (en) 2012-10-29 2019-02-26 General Electric Company Blade having a hollow part span shroud
US9322282B2 (en) 2012-11-30 2016-04-26 General Electric Company Fillet for use with a turbine rotor blade tip shroud
US9683446B2 (en) 2013-03-07 2017-06-20 Rolls-Royce Energy Systems, Inc. Gas turbine engine shrouded blade
US9828858B2 (en) 2013-05-21 2017-11-28 Siemens Energy, Inc. Turbine blade airfoil and tip shroud
US9903210B2 (en) 2013-05-21 2018-02-27 Siemens Energy, Inc. Turbine blade tip shroud
US9464530B2 (en) * 2014-02-20 2016-10-11 General Electric Company Turbine bucket and method for balancing a tip shroud of a turbine bucket
US10287901B2 (en) * 2014-12-08 2019-05-14 United Technologies Corporation Vane assembly of a gas turbine engine
US10513934B2 (en) 2017-01-19 2019-12-24 General Electric Company Z-notch shape for a turbine blade tip shroud
US10400610B2 (en) * 2017-02-14 2019-09-03 General Electric Company Turbine blade having a tip shroud notch
CN107462382B (zh) * 2017-08-04 2019-10-29 中国航空工业集团公司西安飞机设计研究所 一种飞机金属机翼主盒段刚度测试的模型试验件设计方法
US11371363B1 (en) * 2021-06-04 2022-06-28 General Electric Company Turbine blade tip shroud surface profiles

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5083903A (en) * 1990-07-31 1992-01-28 General Electric Company Shroud insert for turbomachinery blade
US5290144A (en) * 1991-10-08 1994-03-01 Asea Brown Boveri Ltd. Shroud ring for an axial flow turbine
US6241471B1 (en) * 1999-08-26 2001-06-05 General Electric Co. Turbine bucket tip shroud reinforcement
US6254345B1 (en) * 1999-09-07 2001-07-03 General Electric Company Internally cooled blade tip shroud
US20010048878A1 (en) * 1999-04-01 2001-12-06 General Electric Company Cooling circuit for a gas turbine bucket and tip shroud
US20030007866A1 (en) * 2001-06-14 2003-01-09 Mitsubishi Heavy Industries, Ltd. Shroud integral type moving blade and split ring of gas turbine
US6579066B1 (en) * 1999-10-15 2003-06-17 Hitachi, Ltd. Turbine bucket

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5350277A (en) * 1992-11-20 1994-09-27 General Electric Company Closed-circuit steam-cooled bucket with integrally cooled shroud for gas turbines and methods of steam-cooling the buckets and shrouds
US5482435A (en) * 1994-10-26 1996-01-09 Westinghouse Electric Corporation Gas turbine blade having a cooled shroud
US6805530B1 (en) * 2003-04-18 2004-10-19 General Electric Company Center-located cutter teeth on shrouded turbine blades

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5083903A (en) * 1990-07-31 1992-01-28 General Electric Company Shroud insert for turbomachinery blade
US5290144A (en) * 1991-10-08 1994-03-01 Asea Brown Boveri Ltd. Shroud ring for an axial flow turbine
US20010048878A1 (en) * 1999-04-01 2001-12-06 General Electric Company Cooling circuit for a gas turbine bucket and tip shroud
US6241471B1 (en) * 1999-08-26 2001-06-05 General Electric Co. Turbine bucket tip shroud reinforcement
US6254345B1 (en) * 1999-09-07 2001-07-03 General Electric Company Internally cooled blade tip shroud
US6579066B1 (en) * 1999-10-15 2003-06-17 Hitachi, Ltd. Turbine bucket
US20030007866A1 (en) * 2001-06-14 2003-01-09 Mitsubishi Heavy Industries, Ltd. Shroud integral type moving blade and split ring of gas turbine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103216271A (zh) * 2012-01-20 2013-07-24 通用电气公司 涡轮机械叶片尖端护罩

Also Published As

Publication number Publication date
US6893216B2 (en) 2005-05-17
US20050013692A1 (en) 2005-01-20
EP1498578A1 (en) 2005-01-19
CN1576517A (zh) 2005-02-09
JP2005036810A (ja) 2005-02-10

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SE01 Entry into force of request for substantive examination
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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20080116

Termination date: 20200716

CF01 Termination of patent right due to non-payment of annual fee