BR112015001224A2 - damping system and turbine - Google Patents

damping system and turbine

Info

Publication number
BR112015001224A2
BR112015001224A2 BR112015001224A BR112015001224A BR112015001224A2 BR 112015001224 A2 BR112015001224 A2 BR 112015001224A2 BR 112015001224 A BR112015001224 A BR 112015001224A BR 112015001224 A BR112015001224 A BR 112015001224A BR 112015001224 A2 BR112015001224 A2 BR 112015001224A2
Authority
BR
Brazil
Prior art keywords
turbine
damping system
damping
Prior art date
Application number
BR112015001224A
Other languages
Portuguese (pt)
Inventor
Daniel Kleinow Chad
Original Assignee
Gen Electric
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 Gen Electric filed Critical Gen Electric
Publication of BR112015001224A2 publication Critical patent/BR112015001224A2/en

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]
BR112015001224A 2012-07-20 2013-06-21 damping system and turbine BR112015001224A2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201261674086P 2012-07-20 2012-07-20
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
BR112015001224A2 true BR112015001224A2 (en) 2017-07-04

Family

ID=49946696

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112015001224A BR112015001224A2 (en) 2012-07-20 2013-06-21 damping system and turbine

Country Status (7)

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

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 (en) * 2018-09-25 2024-02-02 中国船舶重工集团公司第七0三研究所 From banded damping lacing wire strip vibration attenuation structure of taking guan leaf
FR3113300B1 (en) * 2020-08-06 2023-12-22 Safran Aircraft Engines Turbomachine rotor blade
US11536144B2 (en) 2020-09-30 2022-12-27 General Electric Company Rotor blade damping structures
US11739645B2 (en) 2020-09-30 2023-08-29 General Electric Company Vibrational dampening elements
FR3137127A1 (en) * 2022-06-22 2023-12-29 Safran Aircraft Engines Bladed turbomachine assembly comprising means of limiting vibrations between platforms
FR3137122A1 (en) * 2022-06-22 2023-12-29 Safran Aircraft Engines Bladed assembly with inter-platform connection by friction member
FR3137124A1 (en) * 2022-06-22 2023-12-29 Safran Aircraft Engines Turbomachine assembly comprising blades carrying liplets whose ends overlap each other in the circumferential direction
FR3137128A1 (en) * 2022-06-22 2023-12-29 Safran Aircraft Engines Turbomachine assembly comprising blades carrying lips and a cable connecting the lips to each other

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 (en) * 2010-01-13 2013-08-23 Snecma PIONE VIBRATION SHOCK ABSORBER BETWEEN ADJACENT AUB THREADS IN COMPOSITE MATERIAL OF A TURBOMACHINE MOBILE WHEEL.
FR2955608B1 (en) * 2010-01-26 2013-01-11 Snecma LAMINATED VIBRATION SHOCK ABSORBER AND SHOES BETWEEN ADJACENT BLADE HEADS IN COMPOSITE MATERIAL OF A TURBOMACHINE MOBILE WHEEL.
FR2956152B1 (en) * 2010-02-09 2012-07-06 Snecma VIBRATION DAMPING DEVICE BETWEEN ADJACENT BLADE HEADS IN COMPOSITE MATERIAL OF A MOBILE TURBOMACHINE WHEEL.
FR2957969B1 (en) * 2010-03-26 2013-03-29 Snecma DEVICE FOR SEALING BETWEEN ADJACENT BLADE HEADS IN MATERIAL COMPOSED OF A TURBOMACHINE MOBILE WHEEL
FR2960021B1 (en) * 2010-05-12 2014-04-25 Snecma TURBOMACHINE MOBILE WHEEL HAVING A VIBRATION DAMPING ROUND
FR2975123B1 (en) * 2011-05-13 2013-06-14 Snecma Propulsion Solide ROTOR OF TURBOMACHINE COMPRISING AUBES IN COMPOSITE MATERIAL WITH REPORTED HEEL

Also Published As

Publication number Publication date
EP2885505A1 (en) 2015-06-24
WO2014014616A1 (en) 2014-01-23
JP2015524891A (en) 2015-08-27
CA2879380A1 (en) 2014-01-23
US20140023506A1 (en) 2014-01-23
CN104471192A (en) 2015-03-25

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Legal Events

Date Code Title Description
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]
B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]