CN105041387B - 涡轮叶片和用于平衡涡轮叶片的末梢围带的方法 - Google Patents

涡轮叶片和用于平衡涡轮叶片的末梢围带的方法 Download PDF

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Publication number
CN105041387B
CN105041387B CN201510252292.2A CN201510252292A CN105041387B CN 105041387 B CN105041387 B CN 105041387B CN 201510252292 A CN201510252292 A CN 201510252292A CN 105041387 B CN105041387 B CN 105041387B
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CN
China
Prior art keywords
tip shroud
sealing rail
airfoil
axial thickness
rail
Prior art date
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Active
Application number
CN201510252292.2A
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English (en)
Chinese (zh)
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CN105041387A (zh
Inventor
S·A·卡雷夫
M·R·皮尔萨尔
D·维尔纳
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General Electric Company PLC
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General Electric Co
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Publication date
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Publication of CN105041387A publication Critical patent/CN105041387A/zh
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Publication of CN105041387B publication Critical patent/CN105041387B/zh
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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
    • F01D5/20—Specially-shaped blade tips to seal space between tips and stator
    • 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
    • F01D5/30—Fixing blades to rotors; Blade roots ; Blade spacers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M1/00—Testing static or dynamic balance of machines or structures
    • G01M1/30—Compensating imbalance
    • G01M1/34—Compensating imbalance by removing material from the body to be tested, e.g. from the tread of tyres
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
CN201510252292.2A 2014-02-20 2015-02-17 涡轮叶片和用于平衡涡轮叶片的末梢围带的方法 Active CN105041387B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US14/185161 2014-02-20
US14/185,161 US9464530B2 (en) 2014-02-20 2014-02-20 Turbine bucket and method for balancing a tip shroud of a turbine bucket

Publications (2)

Publication Number Publication Date
CN105041387A CN105041387A (zh) 2015-11-11
CN105041387B true CN105041387B (zh) 2018-06-08

Family

ID=53759109

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510252292.2A Active CN105041387B (zh) 2014-02-20 2015-02-17 涡轮叶片和用于平衡涡轮叶片的末梢围带的方法

Country Status (5)

Country Link
US (1) US9464530B2 (enExample)
JP (1) JP6557478B2 (enExample)
CN (1) CN105041387B (enExample)
CH (1) CH709266B1 (enExample)
DE (1) DE102015102396A1 (enExample)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9903210B2 (en) * 2013-05-21 2018-02-27 Siemens Energy, Inc. Turbine blade tip shroud
US20180230819A1 (en) * 2017-02-14 2018-08-16 General Electric Company Turbine blade having tip shroud rail features
FR3077093B1 (fr) * 2018-01-19 2020-07-03 Safran Aircraft Engines Aube equilibree d'une roue mobile d'une turbomachine
US10815807B2 (en) * 2018-05-31 2020-10-27 General Electric Company Shroud and seal for gas turbine engine
DE102019202388A1 (de) 2019-02-21 2020-08-27 MTU Aero Engines AG Deckbandlose Schaufel für eine schnelllaufende Turbinenstufe
DE102019202387A1 (de) * 2019-02-21 2020-08-27 MTU Aero Engines AG Schaufel für eine schnelllaufende Turbinenstufe mit einzelnem Dichtelement
US11236620B1 (en) * 2021-02-24 2022-02-01 General Electric Company Turbine blade tip shroud surface profiles
CN115014635B (zh) * 2022-04-28 2025-04-18 中国航发南方工业有限公司 涡轮叶片平衡装置、平衡方法及装配方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1614199A (zh) * 2003-11-04 2005-05-11 通用电气公司 涡轮覆环的弹簧质量阻尼器系统
CN101082286A (zh) * 2006-05-31 2007-12-05 西门子公司 涡轮叶片

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Publication number Priority date Publication date Assignee Title
US5228835A (en) 1992-11-24 1993-07-20 United Technologies Corporation Gas turbine blade seal
JPH0763004A (ja) * 1993-08-23 1995-03-07 Mitsubishi Heavy Ind Ltd タービン動翼
JP2001055902A (ja) * 1999-08-18 2001-02-27 Toshiba Corp タービン動翼
DE50304325D1 (de) * 2002-04-16 2006-09-07 Alstom Technology Ltd Laufschaufel für eine Turbomaschine
US7001144B2 (en) 2003-02-27 2006-02-21 General Electric Company Gas turbine and method for reducing bucket tip shroud creep rate
US6805530B1 (en) 2003-04-18 2004-10-19 General Electric Company Center-located cutter teeth on shrouded turbine blades
US6893216B2 (en) * 2003-07-17 2005-05-17 General Electric Company Turbine bucket tip shroud edge profile
DE10342207A1 (de) 2003-09-12 2005-04-07 Alstom Technology Ltd Laufschaufelbindung einer Turbomaschine
US6913445B1 (en) * 2003-12-12 2005-07-05 General Electric Company Center located cutter teeth on shrouded turbine blades
JP4191621B2 (ja) * 2004-01-22 2008-12-03 三菱重工業株式会社 タービン動翼
US7094023B2 (en) 2004-02-09 2006-08-22 United Technologies Corporation Shroud honeycomb cutter
US7094032B2 (en) * 2004-02-26 2006-08-22 Richard Seleski Turbine blade shroud cutter tip
US9009965B2 (en) 2007-05-24 2015-04-21 General Electric Company Method to center locate cutter teeth on shrouded turbine blades
US7887295B2 (en) * 2007-11-08 2011-02-15 General Electric Company Z-Notch shape for a turbine blade
US8192166B2 (en) 2009-05-12 2012-06-05 Siemens Energy, Inc. Tip shrouded turbine blade with sealing rail having non-uniform thickness
CH702980A1 (de) * 2010-03-31 2011-10-14 Alstom Technology Ltd Dichtstruktur an einem Deckband einer Turbinenlaufschaufel.
US8956104B2 (en) * 2011-10-12 2015-02-17 General Electric Company Bucket assembly for turbine system
US8951013B2 (en) 2011-10-24 2015-02-10 United Technologies Corporation Turbine blade rail damper

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1614199A (zh) * 2003-11-04 2005-05-11 通用电气公司 涡轮覆环的弹簧质量阻尼器系统
CN101082286A (zh) * 2006-05-31 2007-12-05 西门子公司 涡轮叶片

Also Published As

Publication number Publication date
CH709266A2 (de) 2015-08-28
DE102015102396A1 (de) 2015-08-20
JP2015155697A (ja) 2015-08-27
US9464530B2 (en) 2016-10-11
CN105041387A (zh) 2015-11-11
US20150233258A1 (en) 2015-08-20
JP6557478B2 (ja) 2019-08-07
CH709266B1 (de) 2020-06-30

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Effective date of registration: 20240104

Address after: Swiss Baden

Patentee after: GENERAL ELECTRIC CO. LTD.

Address before: New York, United States

Patentee before: General Electric Co.

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