FR2777860B1 - Dispositif simplifie de suspension antivibratoire a batteurs hauts pour helicoptere - Google Patents

Dispositif simplifie de suspension antivibratoire a batteurs hauts pour helicoptere

Info

Publication number
FR2777860B1
FR2777860B1 FR9805093A FR9805093A FR2777860B1 FR 2777860 B1 FR2777860 B1 FR 2777860B1 FR 9805093 A FR9805093 A FR 9805093A FR 9805093 A FR9805093 A FR 9805093A FR 2777860 B1 FR2777860 B1 FR 2777860B1
Authority
FR
France
Prior art keywords
beacons
helicopter
suspension device
vibration suspension
simplified anti
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 - Fee Related
Application number
FR9805093A
Other languages
English (en)
Other versions
FR2777860A1 (fr
Inventor
Nicolas Pierre Georges Certain
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
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 filed Critical Eurocopter France SA
Priority to FR9805093A priority Critical patent/FR2777860B1/fr
Priority to US09/298,499 priority patent/US6145785A/en
Publication of FR2777860A1 publication Critical patent/FR2777860A1/fr
Application granted granted Critical
Publication of FR2777860B1 publication Critical patent/FR2777860B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/001—Vibration damping devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F7/00—Vibration-dampers; Shock-absorbers
    • F16F7/10—Vibration-dampers; Shock-absorbers using inertia effect
    • F16F7/1022—Vibration-dampers; Shock-absorbers using inertia effect the linear oscillation movement being converted into a rotational movement of the inertia member, e.g. using a pivoted mass
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/001—Vibration damping devices
    • B64C2027/002—Vibration damping devices mounted between the rotor drive and the fuselage
    • 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)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Pivots And Pivotal Connections (AREA)
  • Vehicle Body Suspensions (AREA)
FR9805093A 1998-04-23 1998-04-23 Dispositif simplifie de suspension antivibratoire a batteurs hauts pour helicoptere Expired - Fee Related FR2777860B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR9805093A FR2777860B1 (fr) 1998-04-23 1998-04-23 Dispositif simplifie de suspension antivibratoire a batteurs hauts pour helicoptere
US09/298,499 US6145785A (en) 1998-04-23 1999-04-22 Simplified anti-vibration suspension device with top dampers for a helicopter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9805093A FR2777860B1 (fr) 1998-04-23 1998-04-23 Dispositif simplifie de suspension antivibratoire a batteurs hauts pour helicoptere

Publications (2)

Publication Number Publication Date
FR2777860A1 FR2777860A1 (fr) 1999-10-29
FR2777860B1 true FR2777860B1 (fr) 2000-07-07

Family

ID=9525587

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9805093A Expired - Fee Related FR2777860B1 (fr) 1998-04-23 1998-04-23 Dispositif simplifie de suspension antivibratoire a batteurs hauts pour helicoptere

Country Status (2)

Country Link
US (1) US6145785A (fr)
FR (1) FR2777860B1 (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2787762B1 (fr) * 1998-12-29 2001-03-09 Eurocopter France Dispositif de suspension antivibratoire avec ressort en torsion, pour helicoptere
DE02764289T1 (de) * 2001-04-19 2004-09-30 Bell Helicopter Textron, Inc., Fort Worth Rotorsystemschwingungsdämpfer
FR2829546B1 (fr) 2001-09-11 2004-02-20 Eurocopter France Barre de liaison a absorption d'energie, et son application comme barre de suspension de boite de transmission pour giravion
US7207519B2 (en) * 2004-03-03 2007-04-24 Peter Hoynash Blade restraint system
FR2941754B1 (fr) * 2009-01-30 2011-01-14 Eurocopter France Couplage a rattrapage de jeu, rotor et aeronef a voilure tournante
FR2961787B1 (fr) * 2010-06-28 2013-03-29 Eurocopter France Procede et aeronef a voilure tournante optimise afin de minimiser les consequences d'un atterrissage d'urgence hors norme pour les occupants dudit aeronef.
WO2016022672A1 (fr) * 2014-08-07 2016-02-11 Sikorsky Aircraft Corporation Système d'actionnement d'aéronef produisant une charge anti-vibrations
EP3197771B1 (fr) * 2014-09-26 2019-06-26 Sikorsky Aircraft Corporation Système d'actionnement d'aéronef produisant un moment anti-vibrations
US10371313B2 (en) * 2016-02-17 2019-08-06 The Boeing Company Load relief tie rod
EP3599163B1 (fr) * 2018-07-27 2020-11-11 LEONARDO S.p.A. Kit d'hélicoptère
FR3087752B1 (fr) 2018-10-26 2020-10-16 Airbus Helicopters Dispositif antivibratoire compact et vehicule
US11867191B2 (en) * 2019-08-01 2024-01-09 Saudi Arabian Oil Company Aerodynamic anti-rotation device

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3945628A (en) * 1973-12-26 1976-03-23 Textron Inc. Nodal beam inertial flexure
FR2474996A1 (fr) * 1980-02-05 1981-08-07 Aerospatiale Dispositif de suspension antiresonnante pour helicoptere
FR2499505A1 (fr) * 1981-02-09 1982-08-13 Aerospatiale Dispositif simplifie de suspension antiresonnante pour helicoptere
US4766984A (en) * 1981-09-29 1988-08-30 Bell Helicopter Textron Inc. Nonlinear vibration absorber
FR2629545B1 (fr) * 1988-03-30 1993-02-19 Aerospatiale Contre-fiche elastique a resonateur hydro-mecanique integre notamment pour la suspension d'une boite de transmission sur un giravion et dispositif de suspension en comportant application
US5118051A (en) * 1989-04-18 1992-06-02 United Technologies Corporation Roll vibration absorber
FR2669982B1 (fr) * 1990-11-30 1993-02-19 Aerospatiale Dispositif de suspension anti-resonnante pour helicoptere.
FR2728538A1 (fr) 1994-12-23 1996-06-28 Eurocopter France Dispositif de suspension anti-vibratoire de rotor d'helicoptere
FR2728539A1 (fr) * 1994-12-23 1996-06-28 Eurocopter France Dispositif de suspension anti-vibratoire bidirectionnelle pour rotor d'helicoptere
FR2747098B1 (fr) * 1996-04-03 1998-06-12 Eurocopter France Dispositif de suspension d'une boite de transmission d'un aeronef a voilure tournante

Also Published As

Publication number Publication date
US6145785A (en) 2000-11-14
FR2777860A1 (fr) 1999-10-29

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Legal Events

Date Code Title Description
CD Change of name or company name

Owner name: AIRBUS HELICOPTERS, FR

Effective date: 20150203

PLFP Fee payment

Year of fee payment: 18

ST Notification of lapse

Effective date: 20161230