DE69704001D1 - Dämpfungsstifte für Deckbänder von Turbomaschinen - Google Patents

Dämpfungsstifte für Deckbänder von Turbomaschinen

Info

Publication number
DE69704001D1
DE69704001D1 DE69704001T DE69704001T DE69704001D1 DE 69704001 D1 DE69704001 D1 DE 69704001D1 DE 69704001 T DE69704001 T DE 69704001T DE 69704001 T DE69704001 T DE 69704001T DE 69704001 D1 DE69704001 D1 DE 69704001D1
Authority
DE
Germany
Prior art keywords
turbomachinery
cover tapes
damping pins
damping
pins
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.)
Expired - Lifetime
Application number
DE69704001T
Other languages
English (en)
Other versions
DE69704001T2 (de
Inventor
Alec George Dodd
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.)
Rolls Royce PLC
Original Assignee
Rolls Royce PLC
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 Rolls Royce PLC filed Critical Rolls Royce PLC
Publication of DE69704001D1 publication Critical patent/DE69704001D1/de
Application granted granted Critical
Publication of DE69704001T2 publication Critical patent/DE69704001T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S416/00—Fluid reaction surfaces, i.e. impellers
    • Y10S416/50—Vibration damping features

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
DE69704001T 1996-05-09 1997-03-06 Dämpfungsstifte für Deckbänder von Turbomaschinen Expired - Lifetime DE69704001T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB9609721.7A GB9609721D0 (en) 1996-05-09 1996-05-09 Vibration damping

Publications (2)

Publication Number Publication Date
DE69704001D1 true DE69704001D1 (de) 2001-03-08
DE69704001T2 DE69704001T2 (de) 2001-05-23

Family

ID=10793444

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69704001T Expired - Lifetime DE69704001T2 (de) 1996-05-09 1997-03-06 Dämpfungsstifte für Deckbänder von Turbomaschinen

Country Status (4)

Country Link
US (1) US5730584A (de)
EP (1) EP0806545B1 (de)
DE (1) DE69704001T2 (de)
GB (1) GB9609721D0 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2218875A1 (de) 2009-02-17 2010-08-18 Siemens Aktiengesellschaft Schaufelverband einer Strömungsmaschine

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6171058B1 (en) * 1999-04-01 2001-01-09 General Electric Company Self retaining blade damper
US6371727B1 (en) 2000-06-05 2002-04-16 The Boeing Company Turbine blade tip shroud enclosed friction damper
US6607359B2 (en) 2001-03-02 2003-08-19 Hood Technology Corporation Apparatus for passive damping of flexural blade vibration in turbo-machinery
US6482533B2 (en) 2001-03-05 2002-11-19 The Boeing Company Article having imbedded cavity
US8152469B2 (en) * 2004-12-01 2012-04-10 United Technologies Corporation Annular turbine ring rotor
DE102006041322A1 (de) * 2006-09-01 2008-04-24 Rolls-Royce Deutschland Ltd & Co Kg Dämpfungs- und Dichtungssystem für Turbinenschaufeln
EP1944466A1 (de) * 2007-01-10 2008-07-16 Siemens Aktiengesellschaft Kopplung zweier Laufschaufeln
GB2449493B (en) * 2007-05-25 2009-08-12 Rolls Royce Plc Vibration damper assembly
GB2467582B (en) * 2009-02-10 2011-07-06 Rolls Royce Plc Vibration damper assembly
US8371816B2 (en) * 2009-07-31 2013-02-12 General Electric Company Rotor blades for turbine engines
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.
US8951013B2 (en) * 2011-10-24 2015-02-10 United Technologies Corporation Turbine blade rail damper
CN103184892B (zh) * 2011-12-27 2015-06-10 中航商用航空发动机有限责任公司 低压涡轮叶片
US8894368B2 (en) * 2012-01-04 2014-11-25 General Electric Company Device and method for aligning tip shrouds
US9810070B2 (en) 2013-05-15 2017-11-07 General Electric Company Turbine rotor blade for a turbine section of a gas turbine
US20150003979A1 (en) * 2013-07-01 2015-01-01 General Electric Company Steam turbine nozzle vane arrangement and method of manufacturing
US10648347B2 (en) * 2017-01-03 2020-05-12 General Electric Company Damping inserts and methods for shrouded turbine blades
US11174739B2 (en) 2019-08-27 2021-11-16 Solar Turbines Incorporated Damped turbine blade assembly
US11339666B2 (en) 2020-04-17 2022-05-24 General Electric Company Airfoil with cavity damping
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
CN114704334A (zh) * 2022-03-31 2022-07-05 中国航发沈阳发动机研究所 一种涡轮叶片叶冠阻尼系统

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB105414A (de) *
GB381873A (en) * 1932-04-22 1932-10-13 British Thomson Houston Co Ltd Improvements in or relating to methods of stiffening turbine blades by means of lacing
GB708836A (en) * 1950-10-26 1954-05-12 Rateau Soc Improvements in or relating to vibration damping means for rotor blades of turbines,compressors and the like
DE1157631B (de) * 1959-04-18 1963-11-21 Gutehoffnungshuette Sterkrade Schaufelbindung bei Turbomaschinen
US3034764A (en) * 1959-12-18 1962-05-15 Gen Electric Damping means
GB1309646A (en) * 1970-04-10 1973-03-14 Secr Defence Bladed rotor for a gas turbine engine
JPS5632441B2 (de) * 1973-11-30 1981-07-28
FR2329845A1 (fr) * 1975-10-28 1977-05-27 Europ Turb Vapeur Disposition de liaison continue des aubes mobiles d'une turbo-machine
CA1048413A (en) * 1976-01-21 1979-02-13 Westinghouse Electric Corporation Lashing and damping arrangement for rotating turbine blades
GB2033492A (en) * 1978-11-08 1980-05-21 Northern Eng Ind Interconnecting turbine blades
JPS5756607A (en) * 1980-09-22 1982-04-05 Hitachi Ltd Connecting device for rotary blade
US4347040A (en) * 1980-10-02 1982-08-31 United Technologies Corporation Blade to blade vibration damper
GB2105414B (en) * 1981-09-08 1985-02-13 Northern Eng Ind Axial-flow steam turbine wheel
CH660207A5 (en) * 1983-06-29 1987-03-31 Bbc Brown Boveri & Cie Device for the damping of blade vibrations in axial flow turbo engines
US4568247A (en) * 1984-03-29 1986-02-04 United Technologies Corporation Balanced blade vibration damper
CH666326A5 (en) * 1984-09-19 1988-07-15 Bbc Brown Boveri & Cie Turbine rotor blades with shroud plates at outer ends - have adjacent plates connected via damping circumferential wire through bores in plates
DE3667521D1 (de) * 1985-08-31 1990-01-18 Bbc Brown Boveri & Cie Einrichtung zur daempfung von schaufelschwingungen bei turbomaschinen.
US4767273A (en) * 1987-02-24 1988-08-30 Westinghouse Electric Corp. Apparatus and method for reducing blade flop in steam turbine
FR2612249B1 (fr) * 1987-03-12 1992-02-07 Alsthom Aubage mobile pour turbines a vapeur
US4776764A (en) * 1987-04-02 1988-10-11 Ortolano Ralph J Structure for an axial flow elastic fluid utilizing machine
GB2223276B (en) * 1988-09-30 1992-09-02 Rolls Royce Plc Turbine aerofoil blade
JPH06221102A (ja) * 1993-01-25 1994-08-09 Mitsubishi Heavy Ind Ltd 動翼シュラゥド

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2218875A1 (de) 2009-02-17 2010-08-18 Siemens Aktiengesellschaft Schaufelverband einer Strömungsmaschine

Also Published As

Publication number Publication date
EP0806545A1 (de) 1997-11-12
DE69704001T2 (de) 2001-05-23
US5730584A (en) 1998-03-24
EP0806545B1 (de) 2001-01-31
GB9609721D0 (en) 1996-07-10

Similar Documents

Publication Publication Date Title
DE69704001D1 (de) Dämpfungsstifte für Deckbänder von Turbomaschinen
DE69410464T2 (de) Gradierungsverfahren für bekleidung
DE69328120T2 (de) Prüfungsstreifen für immunoassays
DE69413517T2 (de) Mikrokreppen von stoffen für orthopädische stützbänder
DE69601802D1 (de) Trägerband für bauteile
DE69506365T2 (de) Latex für Hochleistungsabdeckband
DE69634312D1 (de) Trägerstruktur für Plattenspeicher
DE69416992T2 (de) Träger für Elektrophotographie
ATA134294A (de) Vollauszug für schubladen
DE69804552D1 (de) Aufwickelvorrichtung für Bänder und Abdeckbänder
DE69503719T2 (de) Abblassvorrichtung für Turbomaschine
DE59706407D1 (de) Verwendung von polyether-pur für sicherheitskleidung
DE29615977U1 (de) Isolierung für Torglieder von Sektionaltoren
DE69721609D1 (de) Deckelstruktur für Plattenkassette
DE9404100U1 (de) Aufbewahrungsetui für Musikinstrumente
DE29505654U1 (de) Abdeckung für Bauteile von Heizkörpern
DE59702021D1 (de) Bewicklungsschutz für bandkerne
DE9318216U1 (de) Störgenerator für EMV-Meßanordnungen
DE9313346U1 (de) Abdeckung für Lautsprecher
DE29609616U1 (de) Zentrierstütze für Baugruppenträger von Montageeinrichtungen
DK0715260T3 (da) Test af Data
DE29709919U1 (de) Hülle für CD
DE9406021U1 (de) Packung für Klingen
DE9416307U1 (de) Prüfvorrichtung
DE19581397T1 (de) Anordnung für Bauteile von mobilen Hydraulikanlagen