CN100406681C - 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
CN100406681C
CN100406681C CNB2004100566754A CN200410056675A CN100406681C CN 100406681 C CN100406681 C CN 100406681C CN B2004100566754 A CNB2004100566754 A CN B2004100566754A CN 200410056675 A CN200410056675 A CN 200410056675A CN 100406681 C CN100406681 C CN 100406681C
Authority
CN
China
Prior art keywords
ring
profile
covered
trailing edge
inch
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
CNB2004100566754A
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English (en)
Chinese (zh)
Other versions
CN1580497A (zh
Inventor
S·E·汤伯格
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 CN1580497A publication Critical patent/CN1580497A/zh
Application granted granted Critical
Publication of CN100406681C publication Critical patent/CN100406681C/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
    • 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

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  • 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)
CNB2004100566754A 2003-08-13 2004-08-13 涡轮叶片顶部覆环边缘轮廓 Expired - Fee Related CN100406681C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/639,459 US6851931B1 (en) 2003-08-13 2003-08-13 Turbine bucket tip shroud edge profile
US10/639459 2003-08-13

Publications (2)

Publication Number Publication Date
CN1580497A CN1580497A (zh) 2005-02-16
CN100406681C true CN100406681C (zh) 2008-07-30

Family

ID=33565236

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB2004100566754A Expired - Fee Related CN100406681C (zh) 2003-08-13 2004-08-13 涡轮叶片顶部覆环边缘轮廓

Country Status (4)

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

Families Citing this family (24)

* 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
US7887295B2 (en) * 2007-11-08 2011-02-15 General Electric Company Z-Notch shape for a turbine blade
US7976280B2 (en) * 2007-11-28 2011-07-12 General Electric Company Turbine bucket shroud internal core 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

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4948338A (en) * 1988-09-30 1990-08-14 Rolls-Royce Plc Turbine blade with cooled shroud abutment surface
US5980209A (en) * 1997-06-27 1999-11-09 General Electric Co. Turbine blade with enhanced cooling and profile optimization
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

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US6241471B1 (en) * 1999-08-26 2001-06-05 General Electric Co. Turbine bucket tip shroud reinforcement

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4948338A (en) * 1988-09-30 1990-08-14 Rolls-Royce Plc Turbine blade with cooled shroud abutment surface
US5980209A (en) * 1997-06-27 1999-11-09 General Electric Co. Turbine blade with enhanced cooling and profile optimization
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

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
US20050036889A1 (en) 2005-02-17
JP2005061413A (ja) 2005-03-10

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C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20080730

Termination date: 20150813

EXPY Termination of patent right or utility model