JP2005061413A - タービンバケットの先端シュラウド端縁輪郭 - Google Patents

タービンバケットの先端シュラウド端縁輪郭 Download PDF

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Publication number
JP2005061413A
JP2005061413A JP2004234994A JP2004234994A JP2005061413A JP 2005061413 A JP2005061413 A JP 2005061413A JP 2004234994 A JP2004234994 A JP 2004234994A JP 2004234994 A JP2004234994 A JP 2004234994A JP 2005061413 A JP2005061413 A JP 2005061413A
Authority
JP
Japan
Prior art keywords
tip shroud
airfoil
bucket
leading
inches
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.)
Withdrawn
Application number
JP2004234994A
Other languages
English (en)
Japanese (ja)
Other versions
JP2005061413A5 (enExample
Inventor
Steven Eric Tomberg
スティーブン・エリック・トムベルク
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 JP2005061413A publication Critical patent/JP2005061413A/ja
Publication of JP2005061413A5 publication Critical patent/JP2005061413A5/ja
Withdrawn legal-status Critical Current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
    • 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
    • F01D5/141—Shape, i.e. outer, aerodynamic form
    • F01D5/142—Shape, i.e. outer, aerodynamic form of the blades of successive rotor or stator blade-rows
    • F01D5/143—Contour of the outer or inner working fluid flow path wall, i.e. shroud or hub contour
    • 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
    • F01D5/147—Construction, i.e. structural features, e.g. of weight-saving hollow 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
    • F05D2250/00—Geometry
    • F05D2250/70—Shape

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Architecture (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
JP2004234994A 2003-08-13 2004-08-12 タービンバケットの先端シュラウド端縁輪郭 Withdrawn JP2005061413A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/639,459 US6851931B1 (en) 2003-08-13 2003-08-13 Turbine bucket tip shroud edge profile

Publications (2)

Publication Number Publication Date
JP2005061413A true JP2005061413A (ja) 2005-03-10
JP2005061413A5 JP2005061413A5 (enExample) 2007-09-27

Family

ID=33565236

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2004234994A Withdrawn JP2005061413A (ja) 2003-08-13 2004-08-12 タービンバケットの先端シュラウド端縁輪郭

Country Status (4)

Country Link
US (1) US6851931B1 (enExample)
EP (1) EP1507065A3 (enExample)
JP (1) JP2005061413A (enExample)
CN (1) CN100406681C (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009115091A (ja) * 2007-11-08 2009-05-28 General Electric Co <Ge> タービンブレード用のｚ形ノッチ形状
JP2009133312A (ja) * 2007-11-28 2009-06-18 General Electric Co <Ge> タービンバケットシュラウド内部コア輪郭

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7540709B1 (en) * 2005-10-20 2009-06-02 Florida Turbine Technologies, Inc. Box rim cavity for a gas turbine engine
US7329092B2 (en) * 2006-01-27 2008-02-12 General Electric Company Stator blade airfoil profile for a compressor
US7396211B2 (en) * 2006-03-30 2008-07-08 General Electric Company Stator blade airfoil profile for a compressor
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
US9009965B2 (en) * 2007-05-24 2015-04-21 General Electric Company Method to center locate cutter teeth on shrouded turbine blades
US7731483B2 (en) * 2007-08-01 2010-06-08 General Electric Company Airfoil shape for a turbine bucket and turbine incorporating same
US8043061B2 (en) * 2007-08-22 2011-10-25 General Electric Company Turbine bucket tip shroud edge profile
FR2928173B1 (fr) * 2008-02-28 2015-06-26 Snecma Aube avec plateforme 3d comportant un bulbe interaubes.
US8721289B2 (en) * 2009-10-30 2014-05-13 General Electric Company Flow balancing slot
US8905715B2 (en) 2011-03-17 2014-12-09 General Electric Company Damper and seal pin arrangement for a turbine blade
US8740570B2 (en) * 2011-11-28 2014-06-03 General Electric Company Turbine bucket airfoil profile
US20130230379A1 (en) * 2012-03-01 2013-09-05 General Electric Company Rotating turbomachine component having a tip leakage flow guide
US20140147284A1 (en) * 2012-11-27 2014-05-29 General Electric Company Method for modifying an airfoil shroud
US9828858B2 (en) 2013-05-21 2017-11-28 Siemens Energy, Inc. Turbine blade airfoil and tip shroud
WO2014189875A1 (en) * 2013-05-21 2014-11-27 Siemens Energy, Inc. Turbine blade tip shroud
WO2017200549A1 (en) * 2016-05-20 2017-11-23 Siemens Aktiengesellschaft Tip shroud with a fence feature for discouraging pitch-wise over-tip leakage flow
US10519783B2 (en) 2016-12-22 2019-12-31 General Electric Company Method for modifying a shroud and blade
US10513934B2 (en) 2017-01-19 2019-12-24 General Electric Company Z-notch shape for a turbine blade tip shroud
US11808168B2 (en) * 2020-10-09 2023-11-07 General Electric Company Turbine bucket with dual part span shrouds and aerodynamic features
US11821336B2 (en) * 2021-04-09 2023-11-21 General Electric Company Turbine blade tip shroud with axially offset cutter teeth, and related surface profiles and method
US11371363B1 (en) * 2021-06-04 2022-06-28 General Electric Company Turbine blade tip shroud surface profiles

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2223276B (en) * 1988-09-30 1992-09-02 Rolls Royce Plc Turbine aerofoil blade
US5482435A (en) * 1994-10-26 1996-01-09 Westinghouse Electric Corporation Gas turbine blade having a cooled shroud
US5785496A (en) * 1997-02-24 1998-07-28 Mitsubishi Heavy Industries, Ltd. Gas turbine rotor
US5980209A (en) * 1997-06-27 1999-11-09 General Electric Co. Turbine blade with enhanced cooling and profile optimization
US6241471B1 (en) * 1999-08-26 2001-06-05 General Electric Co. Turbine bucket tip shroud reinforcement
US6382914B1 (en) * 2001-02-23 2002-05-07 General Electric Company Cooling medium transfer passageways in radial cooled turbine blades
US6491498B1 (en) * 2001-10-04 2002-12-10 Power Systems Mfg, Llc. Turbine blade pocket shroud

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009115091A (ja) * 2007-11-08 2009-05-28 General Electric Co <Ge> タービンブレード用のｚ形ノッチ形状
JP2009133312A (ja) * 2007-11-28 2009-06-18 General Electric Co <Ge> タービンバケットシュラウド内部コア輪郭

Also Published As

Publication number Publication date
EP1507065A3 (en) 2012-06-20
EP1507065A2 (en) 2005-02-16
US6851931B1 (en) 2005-02-08
CN1580497A (zh) 2005-02-16
CN100406681C (zh) 2008-07-30
US20050036889A1 (en) 2005-02-17

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