JP2015121220A - タービンロータブレード用の緩衝器構成 - Google Patents

タービンロータブレード用の緩衝器構成 Download PDF

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Publication number
JP2015121220A
JP2015121220A JP2014254631A JP2014254631A JP2015121220A JP 2015121220 A JP2015121220 A JP 2015121220A JP 2014254631 A JP2014254631 A JP 2014254631A JP 2014254631 A JP2014254631 A JP 2014254631A JP 2015121220 A JP2015121220 A JP 2015121220A
Authority
JP
Japan
Prior art keywords
airfoil
shock absorber
shroud
rotor blade
side wall
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.)
Pending
Application number
JP2014254631A
Other languages
English (en)
Japanese (ja)
Inventor
ジョセフ・アンソニー・ウェバー
Anthony Weber Joseph
マーク・アンドリュー・ジョーンズ
Andrew Jones Mark
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 JP2015121220A publication Critical patent/JP2015121220A/ja
Pending legal-status Critical Current

Links

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
    • 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)
  • Turbine Rotor Nozzle Sealing (AREA)
JP2014254631A 2013-12-20 2014-12-17 タービンロータブレード用の緩衝器構成 Pending JP2015121220A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US14/136,403 2013-12-20
US14/136,403 US20150176413A1 (en) 2013-12-20 2013-12-20 Snubber configurations for turbine rotor blades

Publications (1)

Publication Number Publication Date
JP2015121220A true JP2015121220A (ja) 2015-07-02

Family

ID=53275478

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2014254631A Pending JP2015121220A (ja) 2013-12-20 2014-12-17 タービンロータブレード用の緩衝器構成

Country Status (5)

Country Link
US (1) US20150176413A1 (de)
JP (1) JP2015121220A (de)
CN (1) CN104727858A (de)
CH (1) CH709048A2 (de)
DE (1) DE102014118427A1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017125843A (ja) * 2015-12-18 2017-07-20 ゼネラル・エレクトリック・カンパニイ タービンブレードを検査するためのシステムおよび方法
JP2021169818A (ja) * 2020-04-16 2021-10-28 ゼネラル・エレクトリック・カンパニイ スナバシュラウド構成

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018169665A1 (en) 2017-03-13 2018-09-20 Siemens Aktiengesellschaft Shrouded blades with improved flutter resistance
US10408091B2 (en) * 2017-03-31 2019-09-10 General Electric Company Mounting apparatuses secured to turbine airfoils of turbine systems
EP3409892B1 (de) * 2017-05-31 2020-07-15 Ansaldo Energia Switzerland AG Gasturbinenschaufel, welche winglets zur kompensation von fliehkräften beinhaltet
EP3521565A1 (de) * 2018-01-31 2019-08-07 Siemens Aktiengesellschaft Turbinenschaufel mit stabilisierungselement und zugehöriger rotor
CN110067774A (zh) * 2019-04-16 2019-07-30 中国航发湖南动力机械研究所 组合叶轮及燃气涡轮发动机的压气机
US11299992B2 (en) * 2020-03-25 2022-04-12 General Electric Company Rotor blade damping structures
US11168569B1 (en) * 2020-04-17 2021-11-09 General Electric Company Blades having tip pockets
KR102468297B1 (ko) * 2020-09-25 2022-11-16 두산에너빌리티 주식회사 향상된 댐핑 성능을 갖는 터빈 블레이드
US11739645B2 (en) 2020-09-30 2023-08-29 General Electric Company Vibrational dampening elements
US11536144B2 (en) 2020-09-30 2022-12-27 General Electric Company Rotor blade damping structures
US11339670B2 (en) 2020-10-13 2022-05-24 General Electric Company Part-span shroud configurations

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3588278A (en) * 1969-03-21 1971-06-28 Westinghouse Electric Corp Blade structure for an axial flow elastic fluid utilizing machine
US3795462A (en) * 1971-08-09 1974-03-05 Westinghouse Electric Corp Vibration dampening for long twisted turbine blades
JPS54125307A (en) * 1978-03-24 1979-09-28 Toshiba Corp Connecting device for turbine movable blades
DE3667521D1 (de) * 1985-08-31 1990-01-18 Bbc Brown Boveri & Cie Einrichtung zur daempfung von schaufelschwingungen bei turbomaschinen.
US5522705A (en) * 1994-05-13 1996-06-04 United Technologies Corporation Friction damper for gas turbine engine blades
WO1999013200A1 (en) * 1997-09-05 1999-03-18 Hitachi, Ltd. Steam turbine
US7063509B2 (en) * 2003-09-05 2006-06-20 General Electric Company Conical tip shroud fillet for a turbine bucket
JP2007187053A (ja) * 2006-01-12 2007-07-26 Hitachi Ltd タービン動翼
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

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017125843A (ja) * 2015-12-18 2017-07-20 ゼネラル・エレクトリック・カンパニイ タービンブレードを検査するためのシステムおよび方法
JP2021169818A (ja) * 2020-04-16 2021-10-28 ゼネラル・エレクトリック・カンパニイ スナバシュラウド構成
JP7714357B2 (ja) 2020-04-16 2025-07-29 ジーイー・ベルノバ・テクノロジー・ゲーエムベーハー スナバシュラウド構成

Also Published As

Publication number Publication date
CH709048A2 (de) 2015-06-30
CN104727858A (zh) 2015-06-24
US20150176413A1 (en) 2015-06-25
DE102014118427A1 (de) 2015-06-25

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