JP2011033020A5 - - Google Patents

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Publication number
JP2011033020A5
JP2011033020A5 JP2010117907A JP2010117907A JP2011033020A5 JP 2011033020 A5 JP2011033020 A5 JP 2011033020A5 JP 2010117907 A JP2010117907 A JP 2010117907A JP 2010117907 A JP2010117907 A JP 2010117907A JP 2011033020 A5 JP2011033020 A5 JP 2011033020A5
Authority
JP
Japan
Prior art keywords
tip shroud
edge damping
trailing edge
damping fin
contact
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.)
Granted
Application number
JP2010117907A
Other languages
English (en)
Japanese (ja)
Other versions
JP2011033020A (ja
JP5681384B2 (ja
Filing date
Publication date
Priority claimed from US12/533,378 external-priority patent/US8371816B2/en
Application filed filed Critical
Publication of JP2011033020A publication Critical patent/JP2011033020A/ja
Publication of JP2011033020A5 publication Critical patent/JP2011033020A5/ja
Application granted granted Critical
Publication of JP5681384B2 publication Critical patent/JP5681384B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

JP2010117907A 2009-07-31 2010-05-24 タービンエンジン用のロータブレード Expired - Fee Related JP5681384B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12/533,378 2009-07-31
US12/533,378 US8371816B2 (en) 2009-07-31 2009-07-31 Rotor blades for turbine engines

Publications (3)

Publication Number Publication Date
JP2011033020A JP2011033020A (ja) 2011-02-17
JP2011033020A5 true JP2011033020A5 (enExample) 2013-07-04
JP5681384B2 JP5681384B2 (ja) 2015-03-04

Family

ID=43402793

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2010117907A Expired - Fee Related JP5681384B2 (ja) 2009-07-31 2010-05-24 タービンエンジン用のロータブレード

Country Status (5)

Country Link
US (1) US8371816B2 (enExample)
JP (1) JP5681384B2 (enExample)
CN (1) CN101988392A (enExample)
CH (1) CH701537B1 (enExample)
DE (1) DE102010017105A1 (enExample)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102877892B (zh) * 2012-10-23 2015-02-11 湖南航翔燃气轮机有限公司 一种涡轮转子叶片及具有其的燃气轮机
PL416301A1 (pl) * 2016-02-29 2017-09-11 General Electric Company Zespół bandaża silnika turbinowego
GB2551164B (en) * 2016-06-08 2019-12-25 Rolls Royce Plc Metallic stator vane
US10648346B2 (en) * 2016-07-06 2020-05-12 General Electric Company Shroud configurations for turbine rotor blades
JP6830999B2 (ja) 2017-02-23 2021-02-17 三菱パワー株式会社 タービン動翼及びガスタービン
FR3075282B1 (fr) * 2017-12-14 2021-01-08 Safran Aircraft Engines Dispositif amortisseur
WO2019122691A1 (fr) * 2017-12-18 2019-06-27 Safran Aircraft Engines Dispositif amortisseur
CN109057871A (zh) * 2018-04-20 2018-12-21 西门子（中国）有限公司 汽轮机叶冠及叶冠单元
JP6986155B2 (ja) 2018-06-19 2021-12-22 三菱パワー株式会社 タービン動翼、ターボ機械及びコンタクト面製造方法
US11053804B2 (en) * 2019-05-08 2021-07-06 Pratt & Whitney Canada Corp. Shroud interlock
US11085303B1 (en) * 2020-06-16 2021-08-10 General Electric Company Pressurized damping fluid injection for damping turbine blade vibration
US11608747B2 (en) * 2021-01-07 2023-03-21 General Electric Company Split shroud for vibration reduction
US12420336B2 (en) 2021-03-03 2025-09-23 General Electric Company Anti-fretting coating composition and coated components

Family Cites Families (34)

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BE791375A (fr) * 1971-12-02 1973-03-01 Gen Electric Deflecteur et amortisseur pour ailettes de turbomachines
GB1460714A (en) * 1973-06-26 1977-01-06 Rolls Royce Bladed rotor for a gas turbine engine
US3986792A (en) * 1975-03-03 1976-10-19 Westinghouse Electric Corporation Vibration dampening device disposed on a shroud member for a twisted turbine blade
US4088421A (en) * 1976-09-30 1978-05-09 General Electric Company Coverplate damping arrangement
US4182598A (en) * 1977-08-29 1980-01-08 United Technologies Corporation Turbine blade damper
JPS54135906A (en) * 1978-04-14 1979-10-22 Toshiba Corp Turbine moving-blade cover
GB2032535A (en) * 1978-07-25 1980-05-08 Rolls Royce Overlapping cantilevers
JPS5925087B2 (ja) * 1980-06-04 1984-06-14 株式会社日立製作所 タ−ビン動翼連結装置
GB2093126B (en) * 1981-02-12 1984-05-16 Rolls Royce Rotor blade for a gas turbine engine
GB2223277B (en) * 1988-09-30 1992-08-12 Rolls Royce Plc Aerofoil blade damping
US4936749A (en) * 1988-12-21 1990-06-26 General Electric Company Blade-to-blade vibration damper
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US5201850A (en) * 1991-02-15 1993-04-13 General Electric Company Rotor tip shroud damper including damper wires
US5313786A (en) * 1992-11-24 1994-05-24 United Technologies Corporation Gas turbine blade damper
US5522705A (en) * 1994-05-13 1996-06-04 United Technologies Corporation Friction damper for gas turbine engine blades
JPH0972202A (ja) * 1995-09-06 1997-03-18 Hitachi Ltd タービン動翼の連結構造及びその方法
GB9609721D0 (en) * 1996-05-09 1996-07-10 Rolls Royce Plc Vibration damping
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WO1999013200A1 (en) * 1997-09-05 1999-03-18 Hitachi, Ltd. Steam turbine
JP4051132B2 (ja) * 1998-05-25 2008-02-20 株式会社東芝 タービン動翼
US6164916A (en) * 1998-11-02 2000-12-26 General Electric Company Method of applying wear-resistant materials to turbine blades, and turbine blades having wear-resistant materials
JP2000204901A (ja) * 1999-01-08 2000-07-25 Mitsubishi Heavy Ind Ltd 軸流回転機械における動翼の制振構造
GB9906450D0 (en) * 1999-03-19 1999-05-12 Rolls Royce Plc Aerofoil blade damper
JP2001248404A (ja) * 2000-03-01 2001-09-14 Hitachi Ltd タ一ビン動翼
US6701616B2 (en) * 2002-06-28 2004-03-09 General Electric Company Method of repairing shroud tip overlap on turbine buckets
US6776583B1 (en) * 2003-02-27 2004-08-17 General Electric Company Turbine bucket damper pin
US6851932B2 (en) * 2003-05-13 2005-02-08 General Electric Company Vibration damper assembly for the buckets of a turbine
US7001152B2 (en) * 2003-10-09 2006-02-21 Pratt & Wiley Canada Corp. Shrouded turbine blades with locally increased contact faces
US7066713B2 (en) * 2004-01-31 2006-06-27 United Technologies Corporation Rotor blade for a rotary machine
US7396205B2 (en) * 2004-01-31 2008-07-08 United Technologies Corporation Rotor blade for a rotary machine
EP1591625A1 (en) * 2004-04-30 2005-11-02 ALSTOM Technology Ltd Gas turbine blade shroud
US7762779B2 (en) * 2006-08-03 2010-07-27 General Electric Company Turbine blade tip shroud
US20080089789A1 (en) * 2006-10-17 2008-04-17 Thomas Joseph Farineau Airfoils for use with turbine assemblies and methods of assembling the same
US7771171B2 (en) * 2006-12-14 2010-08-10 General Electric Company Systems for preventing wear on turbine blade tip shrouds

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