FR2517779B1 - Dispositif d'amortissement des aubes d'une soufflante de turbomachine - Google Patents

Dispositif d'amortissement des aubes d'une soufflante de turbomachine

Info

Publication number
FR2517779B1
FR2517779B1 FR8122622A FR8122622A FR2517779B1 FR 2517779 B1 FR2517779 B1 FR 2517779B1 FR 8122622 A FR8122622 A FR 8122622A FR 8122622 A FR8122622 A FR 8122622A FR 2517779 B1 FR2517779 B1 FR 2517779B1
Authority
FR
France
Prior art keywords
damping
blades
turbomachine blower
turbomachine
blower
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
Application number
FR8122622A
Other languages
English (en)
Other versions
FR2517779A1 (fr
Inventor
Alexandre Forestier
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.)
Safran Aircraft Engines SAS
Original Assignee
SNECMA SAS
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 SNECMA SAS filed Critical SNECMA SAS
Priority to FR8122622A priority Critical patent/FR2517779B1/fr
Priority to EP82402165A priority patent/EP0081416A1/fr
Priority to JP57211189A priority patent/JPS58150100A/ja
Priority to US06/446,625 priority patent/US4494909A/en
Publication of FR2517779A1 publication Critical patent/FR2517779A1/fr
Application granted granted Critical
Publication of FR2517779B1 publication Critical patent/FR2517779B1/fr
Expired 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
    • 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
    • F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
    • F01D11/005—Sealing means between non relatively rotating elements
    • F01D11/006—Sealing the gap between rotor blades or blades and rotor
    • F01D11/008—Sealing the gap between rotor blades or blades and rotor by spacer elements between the blades, e.g. independent interblade platforms
    • 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
FR8122622A 1981-12-03 1981-12-03 Dispositif d'amortissement des aubes d'une soufflante de turbomachine Expired FR2517779B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR8122622A FR2517779B1 (fr) 1981-12-03 1981-12-03 Dispositif d'amortissement des aubes d'une soufflante de turbomachine
EP82402165A EP0081416A1 (fr) 1981-12-03 1982-11-29 Dispositif d'amortissement des aubes d'une soufflante de turbomachine
JP57211189A JPS58150100A (ja) 1981-12-03 1982-12-01 軸流型ファンの翼の防振部材及び防振装置
US06/446,625 US4494909A (en) 1981-12-03 1982-12-03 Damping device for turbojet engine fan blades

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8122622A FR2517779B1 (fr) 1981-12-03 1981-12-03 Dispositif d'amortissement des aubes d'une soufflante de turbomachine

Publications (2)

Publication Number Publication Date
FR2517779A1 FR2517779A1 (fr) 1983-06-10
FR2517779B1 true FR2517779B1 (fr) 1986-06-13

Family

ID=9264621

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8122622A Expired FR2517779B1 (fr) 1981-12-03 1981-12-03 Dispositif d'amortissement des aubes d'une soufflante de turbomachine

Country Status (4)

Country Link
US (1) US4494909A (fr)
EP (1) EP0081416A1 (fr)
JP (1) JPS58150100A (fr)
FR (1) FR2517779B1 (fr)

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4580946A (en) * 1984-11-26 1986-04-08 General Electric Company Fan blade platform seal
US4743166A (en) * 1984-12-20 1988-05-10 General Electric Company Blade root seal
JPS6217306A (ja) * 1985-07-12 1987-01-26 Mitsubishi Heavy Ind Ltd 回転機械翼
FR2585069B1 (fr) * 1985-07-16 1989-06-09 Snecma Dispositif de limitation du debattement angulaire d'aubes montees sur un disque de rotor de turbomachine
US4743164A (en) * 1986-12-29 1988-05-10 United Technologies Corporation Interblade seal for turbomachine rotor
US4767247A (en) * 1987-02-24 1988-08-30 Westinghouse Electric Corp. Apparatus and method for preventing relative blade motion in steam turbine
US4936749A (en) * 1988-12-21 1990-06-26 General Electric Company Blade-to-blade vibration damper
US5205713A (en) * 1991-04-29 1993-04-27 General Electric Company Fan blade damper
US5302085A (en) * 1992-02-03 1994-04-12 General Electric Company Turbine blade damper
US5261790A (en) * 1992-02-03 1993-11-16 General Electric Company Retention device for turbine blade damper
FR2716502B1 (fr) * 1994-02-23 1996-04-05 Snecma Garniture d'étanchéité entre des aubes et des plates-formes intermédiaires.
US5513955A (en) * 1994-12-14 1996-05-07 United Technologies Corporation Turbine engine rotor blade platform seal
US5573375A (en) * 1994-12-14 1996-11-12 United Technologies Corporation Turbine engine rotor blade platform sealing and vibration damping device
CA2372740A1 (fr) * 1999-05-14 2000-11-23 Siemens Aktiengesellschaft Turbomachine, plus particulierement une turbine a gaz, avec un systeme d'etancheite pour un rotor
DE50009870D1 (de) * 1999-06-07 2005-04-28 Siemens Ag Strömungsmaschine sowie dichtelement für einen rotor einer strömungsmaschine
GB9915637D0 (en) 1999-07-06 1999-09-01 Rolls Royce Plc A rotor seal
FR2915510B1 (fr) * 2007-04-27 2009-11-06 Snecma Sa Amortisseur pour aubes de turbomachines
US8011894B2 (en) * 2008-07-08 2011-09-06 General Electric Company Sealing mechanism with pivot plate and rope seal
US8038405B2 (en) * 2008-07-08 2011-10-18 General Electric Company Spring seal for turbine dovetail
US8215914B2 (en) * 2008-07-08 2012-07-10 General Electric Company Compliant seal for rotor slot
US8210823B2 (en) * 2008-07-08 2012-07-03 General Electric Company Method and apparatus for creating seal slots for turbine components
US8210820B2 (en) * 2008-07-08 2012-07-03 General Electric Company Gas assisted turbine seal
US8210821B2 (en) * 2008-07-08 2012-07-03 General Electric Company Labyrinth seal for turbine dovetail
US8419370B2 (en) * 2009-06-25 2013-04-16 Rolls-Royce Corporation Retaining and sealing ring assembly
FR2949142B1 (fr) 2009-08-11 2011-10-14 Snecma Cale amortisseuse de vibrations pour aube de soufflante
US8469670B2 (en) * 2009-08-27 2013-06-25 Rolls-Royce Corporation Fan assembly
US8435006B2 (en) * 2009-09-30 2013-05-07 Rolls-Royce Corporation Fan
FR2962481B1 (fr) * 2010-07-12 2012-08-31 Snecma Propulsion Solide Amortisseur de vibrations a bras de levier pour aube d'un rotor de moteur a turbine a gaz
US9470243B2 (en) 2011-03-09 2016-10-18 Ihi Corporation Guide vane attachment structure and fan
FR3003294B1 (fr) 2013-03-15 2018-03-30 Safran Aircraft Engines Soufflante de turbomoteur a flux multiple, et turbomoteur equipe d'une telle soufflante
US9920627B2 (en) * 2014-05-22 2018-03-20 United Technologies Corporation Rotor heat shield
EP3073052B1 (fr) * 2015-02-17 2018-01-24 Rolls-Royce Corporation Ensemble de soufflant
RU2602643C1 (ru) * 2015-06-18 2016-11-20 федеральное государственное бюджетное образовательное учреждение высшего образования "Пермский национальный исследовательский политехнический университет" Рабочее колесо турбомашины с демпфером для лопаток
US10612405B2 (en) 2017-01-13 2020-04-07 United Technologies Corporation Stator outer platform sealing and retainer
WO2020239803A1 (fr) * 2019-05-29 2020-12-03 Safran Aircraft Engines Ensemble pour turbomachine
FR3096731B1 (fr) * 2019-05-29 2021-05-07 Safran Aircraft Engines Ensemble pour turbomachine

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB667979A (en) * 1949-07-28 1952-03-12 Rolls Royce Improvements in or relating to axial flow compressors and turbines
GB750397A (en) * 1951-12-10 1956-06-13 Power Jets Res & Dev Ltd Damped turbine and dynamic compressor blades
GB700898A (en) * 1952-04-30 1953-12-09 George Allen Dean Improvements relating to fans, compressors and the like
US2877980A (en) * 1954-09-28 1959-03-17 Stalker Dev Company Vibration dampers for gas turbine wheels and the like
US3119595A (en) * 1961-02-23 1964-01-28 Gen Electric Bladed rotor and baffle assembly
FR1417600A (fr) * 1963-12-16 1965-11-12 Rolls Royce Perfectionnements aux turbines et aux compresseurs
GB1276100A (en) * 1968-12-16 1972-06-01 Rolls Royce Bladed member for a fluid flow machine
GB1428365A (en) * 1972-03-15 1976-03-17 Rolls Royce Fluid flow machines
GB1457417A (en) * 1973-06-30 1976-12-01 Dunlop Ltd Vibration damping means
GB1549422A (en) * 1976-10-19 1979-08-08 Rolls Royce Axial flow gas turbine engine compressor
DE2658345A1 (de) * 1976-12-23 1978-06-29 Motoren Turbinen Union Rezirkulationsdichtung fuer stroemungsmaschinen, insbesondere gasturbinenstrahltriebwerke
GB1549152A (en) * 1977-01-11 1979-08-01 Rolls Royce Rotor stage for a gas trubine engine

Also Published As

Publication number Publication date
JPS641680B2 (fr) 1989-01-12
EP0081416A1 (fr) 1983-06-15
JPS58150100A (ja) 1983-09-06
US4494909A (en) 1985-01-22
FR2517779A1 (fr) 1983-06-10

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Legal Events

Date Code Title Description
ST Notification of lapse