CA2879380A1 - Damper system and corresponding turbine - Google Patents

Damper system and corresponding turbine Download PDF

Info

Publication number
CA2879380A1
CA2879380A1 CA2879380A CA2879380A CA2879380A1 CA 2879380 A1 CA2879380 A1 CA 2879380A1 CA 2879380 A CA2879380 A CA 2879380A CA 2879380 A CA2879380 A CA 2879380A CA 2879380 A1 CA2879380 A1 CA 2879380A1
Authority
CA
Canada
Prior art keywords
tip shroud
damper
turbine
cmc
adjacent
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.)
Abandoned
Application number
CA2879380A
Other languages
English (en)
French (fr)
Inventor
Chad Daniel Kleinow
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 CA2879380A1 publication Critical patent/CA2879380A1/en
Abandoned 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
    • 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
    • F01D5/24—Blade-to-blade connections, e.g. for damping vibrations using wire or the like
    • 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
    • F05D2300/00—Materials; Properties thereof
    • F05D2300/60—Properties or characteristics given to material by treatment or manufacturing
    • F05D2300/603—Composites; e.g. fibre-reinforced
    • F05D2300/6033—Ceramic matrix composites [CMC]

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
CA2879380A 2012-07-20 2013-06-21 Damper system and corresponding turbine Abandoned CA2879380A1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201261674086P 2012-07-20 2012-07-20
US61/674,086 2012-07-20
US13/656,098 2012-10-19
US13/656,098 US20140023506A1 (en) 2012-07-20 2012-10-19 Damper system and a turbine
PCT/US2013/046963 WO2014014616A1 (en) 2012-07-20 2013-06-21 Damper system and corresponding turbine

Publications (1)

Publication Number Publication Date
CA2879380A1 true CA2879380A1 (en) 2014-01-23

Family

ID=49946696

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2879380A Abandoned CA2879380A1 (en) 2012-07-20 2013-06-21 Damper system and corresponding turbine

Country Status (7)

Country Link
US (1) US20140023506A1 (ja)
EP (1) EP2885505A1 (ja)
JP (1) JP2015524891A (ja)
CN (1) CN104471192A (ja)
BR (1) BR112015001224A2 (ja)
CA (1) CA2879380A1 (ja)
WO (1) WO2014014616A1 (ja)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10316673B2 (en) 2016-03-24 2019-06-11 General Electric Company CMC turbine blade platform damper
US10724380B2 (en) 2017-08-07 2020-07-28 General Electric Company CMC blade with internal support
CN109026172B (zh) * 2018-09-25 2024-02-02 中国船舶重工集团公司第七0三研究所 一种自带冠叶片带状阻尼拉筋条减振结构
FR3113300B1 (fr) * 2020-08-06 2023-12-22 Safran Aircraft Engines Aubage de rotor de turbomachine
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
FR3137127B1 (fr) * 2022-06-22 2024-07-12 Safran Aircraft Engines Ensemble aubagé de turbomachine comportant des moyens de limitations de vibrations entre plateformes
FR3137122B1 (fr) * 2022-06-22 2024-06-21 Safran Aircraft Engines Ensemble aubagé à liaison inter-plateformes par organe de friction
FR3137128A1 (fr) * 2022-06-22 2023-12-29 Safran Aircraft Engines Ensemble de turbomachine comportant des aubes portant des léchettes et un câble reliant les léchettes les unes aux autres
FR3137124B1 (fr) * 2022-06-22 2024-05-31 Safran Aircraft Engines Ensemble de turbomachine comportant des aubes portant des léchettes dont les extrémités se recouvrent mutuellement selon la direction circonférentielle

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1723321A (en) * 1929-08-06 of baden
US2942843A (en) * 1956-06-15 1960-06-28 Westinghouse Electric Corp Blade vibration damping structure
GB1195012A (en) * 1966-06-21 1970-06-17 Rolls Royce Rotor for Bladed Fluid Flow Machines.
US4741205A (en) * 1986-12-22 1988-05-03 Westinghouse Electric Corp. "V" notched integrally shrouded turbine blade and method for determining shroud tightness and wear of a circular array of rotating blades disposed in a rotor
US6409472B1 (en) * 1999-08-09 2002-06-25 United Technologies Corporation Stator assembly for a rotary machine and clip member for a stator assembly
US6482533B2 (en) * 2001-03-05 2002-11-19 The Boeing Company Article having imbedded cavity
US8714932B2 (en) * 2008-12-31 2014-05-06 General Electric Company Ceramic matrix composite blade having integral platform structures and methods of fabrication
FR2955142B1 (fr) * 2010-01-13 2013-08-23 Snecma Amortisseur de vibrations a pion entre talons d'aubes adjacentes en materiau composite d'une roue mobile de turbomachine.
FR2955608B1 (fr) * 2010-01-26 2013-01-11 Snecma Amortisseur de vibrations a lamelle et chemises entre talons d'aubes adjacentes en materiau composite d'une roue mobile de turbomachine.
FR2956152B1 (fr) * 2010-02-09 2012-07-06 Snecma Dispositif d'amortissement de vibrations entre talons d'aubes adjacentes en materiau composite d'une roue mobile de turbomachine.
FR2957969B1 (fr) * 2010-03-26 2013-03-29 Snecma Dispositif d'etancheite entre les talons d'aubes adjacentes en materiau compositie d'une roue mobile de turbomachine
FR2960021B1 (fr) * 2010-05-12 2014-04-25 Snecma Roue mobile de turbomachine munie d'un jonc d'amortissement des vibrations
FR2975123B1 (fr) * 2011-05-13 2013-06-14 Snecma Propulsion Solide Rotor de turbomachine comprenant des aubes en materiau composite avec talon rapporte

Also Published As

Publication number Publication date
WO2014014616A1 (en) 2014-01-23
BR112015001224A2 (pt) 2017-07-04
JP2015524891A (ja) 2015-08-27
EP2885505A1 (en) 2015-06-24
CN104471192A (zh) 2015-03-25
US20140023506A1 (en) 2014-01-23

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Legal Events

Date Code Title Description
FZDE Discontinued

Effective date: 20170621