FR2826933B1 - Amortisseur de trainee a inertie fluide pour rotor de giravion - Google Patents

Amortisseur de trainee a inertie fluide pour rotor de giravion

Info

Publication number
FR2826933B1
FR2826933B1 FR0108884A FR0108884A FR2826933B1 FR 2826933 B1 FR2826933 B1 FR 2826933B1 FR 0108884 A FR0108884 A FR 0108884A FR 0108884 A FR0108884 A FR 0108884A FR 2826933 B1 FR2826933 B1 FR 2826933B1
Authority
FR
France
Prior art keywords
giravion
trail
rotor
shock absorber
fluid inertia
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
FR0108884A
Other languages
English (en)
Other versions
FR2826933A1 (fr
Inventor
David Ferullo
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.)
Airbus Helicopters SAS
Original Assignee
Eurocopter France SA
Eurocopter SA
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 Eurocopter France SA, Eurocopter SA filed Critical Eurocopter France SA
Priority to FR0108884A priority Critical patent/FR2826933B1/fr
Priority to GB0214994A priority patent/GB2378230B/en
Priority to US10/186,830 priority patent/US6926500B2/en
Publication of FR2826933A1 publication Critical patent/FR2826933A1/fr
Application granted granted Critical
Publication of FR2826933B1 publication Critical patent/FR2826933B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/51—Damping of blade movements
    • 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)
  • Aviation & Aerospace Engineering (AREA)
  • Fluid-Damping Devices (AREA)
FR0108884A 2001-07-04 2001-07-04 Amortisseur de trainee a inertie fluide pour rotor de giravion Expired - Lifetime FR2826933B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR0108884A FR2826933B1 (fr) 2001-07-04 2001-07-04 Amortisseur de trainee a inertie fluide pour rotor de giravion
GB0214994A GB2378230B (en) 2001-07-04 2002-06-28 Fluid inertia drag damper for rotary wing aircraft rotor
US10/186,830 US6926500B2 (en) 2001-07-04 2002-07-01 Fluid inertia drag damper for rotary wing aircraft rotor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0108884A FR2826933B1 (fr) 2001-07-04 2001-07-04 Amortisseur de trainee a inertie fluide pour rotor de giravion

Publications (2)

Publication Number Publication Date
FR2826933A1 FR2826933A1 (fr) 2003-01-10
FR2826933B1 true FR2826933B1 (fr) 2003-09-26

Family

ID=8865127

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0108884A Expired - Lifetime FR2826933B1 (fr) 2001-07-04 2001-07-04 Amortisseur de trainee a inertie fluide pour rotor de giravion

Country Status (3)

Country Link
US (1) US6926500B2 (fr)
FR (1) FR2826933B1 (fr)
GB (1) GB2378230B (fr)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2867152B1 (fr) * 2004-03-03 2006-06-09 Eurocopter France Procede de controle de l'amortissement de vibrations d'un helicoptere et dispositif mettant en oeuvre le procede
US7963377B2 (en) * 2005-04-06 2011-06-21 GM Global Technology Operations LLC Dual stage dampers for vehicles suspensions
EP2015988B1 (fr) * 2006-05-06 2011-07-27 Lord Corporation Bras profilé axial d'isolateur d'hélicoptère à vibration réduite
WO2007140362A2 (fr) * 2006-05-26 2007-12-06 Lord Corporation Amortisseur de traînée d'un aéronef à voilure tournante
EP2197741B1 (fr) * 2007-09-04 2015-03-04 Lord Corporation Amortisseur de rotor d'aéronef de type hélicoptère
US8038094B2 (en) * 2008-03-31 2011-10-18 Honda Motor Co., Ltd. Hydraulic system for aircraft
CA2754205C (fr) * 2009-03-12 2015-05-19 Bell Helicopter Textron Inc. Procede et appareil pour une isolation amelioree des vibrations
FR2943621B1 (fr) * 2009-03-27 2011-04-15 Eurocopter France Pale munie d'un amortisseur de trainee et rotor muni d'une telle pale
FR2954274B1 (fr) * 2009-12-17 2012-02-24 Eurocopter France Mecanisme amortisseur de vibrations, et appareil volant muni d'une structure porteuse et d'un rotor muni d'un tel mecanisme
JP5747045B2 (ja) * 2010-02-05 2015-07-08 ケンブリッジ・エンタープライズ・リミテッドＣａｍｂｒｉｄｇｅ Ｅｎｔｅｒｐｒｉｓｅ Ｌｉｍｉｔｅｄ 減衰及び慣性油圧装置
US8672107B2 (en) * 2010-03-11 2014-03-18 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Compact vibration damper
EP2789536B1 (fr) * 2011-04-07 2016-12-07 LORD Corporation Dispositif à fluide de commande de mouvement instrumenté pour commander le mouvement de voilure tournante d'un aéronef
US9260185B2 (en) 2012-01-25 2016-02-16 Textron Innovations Inc. System and method of harvesting power with a rotor hub damper
US9303709B2 (en) 2014-08-11 2016-04-05 Ggodrich Corporation Shock damper
US10112709B2 (en) * 2014-09-23 2018-10-30 Bell Helicopter Textron Inc. Vibration control with active lag damper
WO2016053464A1 (fr) * 2014-10-03 2016-04-07 Sikorsky Aircraft Corporation Amortisseur de pale doté d'un piège à contaminants magnétiques
US9399380B1 (en) * 2015-04-17 2016-07-26 Ping Fan Vibration-type electric generator applied to automobile suspension system
EP3100948B1 (fr) * 2015-06-01 2018-10-03 Safran Landing Systems UK Limited Ensemble à ressort d'aéronef
US10550907B2 (en) 2016-08-18 2020-02-04 Textron Innovations Inc. Liquid inertia vibration elimination system
FR3079275B1 (fr) * 2018-03-26 2021-04-16 Psa Automobiles Sa Amortisseur hydraulique de suspension de vehicule avec colonne de fluide a inertie formee dans la tige axiale
FR3080162B1 (fr) * 2018-04-17 2020-08-21 Psa Automobiles Sa Amortisseur inertiel pour suspension de vehicule automobile
KR102636252B1 (ko) * 2021-11-18 2024-02-16 월드콥터코리아 주식회사 로터 허브 시스템의 다이나믹 댐핑 스토퍼 조립체

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2667237A (en) * 1948-09-27 1954-01-26 Rabinow Jacob Magnetic fluid shock absorber
US2820471A (en) * 1953-07-31 1958-01-21 Serge L Crowell Valve mechanisms for magnetic fluid conduits and devices employing the same
US3212584A (en) * 1964-05-28 1965-10-19 United Aircraft Corp Damper and positioner
FR2063969B1 (fr) 1969-10-16 1974-05-24 Aerospatiale
US3638885A (en) * 1970-03-09 1972-02-01 Boeing Co Lag frequency selective damper
US4084668A (en) * 1975-06-05 1978-04-18 United Technologies Corporation Redundant damper seals
US3972396A (en) * 1975-06-05 1976-08-03 United Technologies Corporation Leakage detector with back pressure sensor
US4105365A (en) * 1976-10-04 1978-08-08 United Technologies Corporation Helicopter rotor lead-lag damper
GB2025338B (en) 1978-06-02 1982-08-04 Aerospatiale Helicopterrotor
FR2427251A1 (fr) 1978-06-02 1979-12-28 Aerospatiale Rotor pour giravion
FR2456034A2 (fr) 1979-05-08 1980-12-05 Aerospatiale Rotor pour giravion
GB2111171B (en) 1981-12-09 1985-07-31 Secr Defence Linear dampers with variable viscosity
FR2529860B1 (fr) 1982-07-08 1987-01-02 Aerospatiale Plateau de moyeu, procede de fabrication et moyeu de rotor de giravion equipe de tels plateaux
US4695226A (en) * 1983-11-07 1987-09-22 United Technologies Corporation Helicopter rotor backup damper system
DE3443183A1 (de) 1984-11-27 1986-05-28 Robert Bosch Gmbh, 7000 Stuttgart Verfahren und vorrichtung zum steuern der daempferhaerte eines stossdaempfers fuer fahrzeuge
FR2584996B1 (fr) 1985-07-22 1987-11-13 Aerospatiale Mat-moyeu integre et tete de rotor de giravion le comportant
SE466796B (sv) * 1990-08-10 1992-04-06 Saab Scania Ab Fjaedersystem med foerbaettrad resonansdaempning och ett foerfarande foer reglering av fjaedringssystemet
FR2731405B1 (fr) * 1995-03-10 1997-05-09 Eurocopter France Systeme pour minimiser l'excitation dynamique d'un helicoptere
FR2737271A1 (fr) 1995-07-27 1997-01-31 Sardou Max Amortisseur sensible a l'acceleration
GB0004649D0 (en) * 2000-02-29 2000-04-19 Gkn Westland Helicopters Ltd Vibration damping apparatus
FR2835506B1 (fr) * 2002-02-06 2004-03-12 Eurocopter France Amortisseur de trainee a double piston pour rotor de giravion

Also Published As

Publication number Publication date
FR2826933A1 (fr) 2003-01-10
GB2378230B (en) 2004-12-01
US20030012650A1 (en) 2003-01-16
US6926500B2 (en) 2005-08-09
GB0214994D0 (en) 2002-08-07
GB2378230A (en) 2003-02-05

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Legal Events

Date Code Title Description
CD Change of name or company name

Owner name: AIRBUS HELICOPTERS, FR

Effective date: 20140602

PLFP Fee payment

Year of fee payment: 16

PLFP Fee payment

Year of fee payment: 17