FR2770825B1 - Dispositif pour reduire les vibrations dans la cabine d'un aeronef a voilure tournante, notamment un helicoptere - Google Patents

Dispositif pour reduire les vibrations dans la cabine d'un aeronef a voilure tournante, notamment un helicoptere

Info

Publication number
FR2770825B1
FR2770825B1 FR9714220A FR9714220A FR2770825B1 FR 2770825 B1 FR2770825 B1 FR 2770825B1 FR 9714220 A FR9714220 A FR 9714220A FR 9714220 A FR9714220 A FR 9714220A FR 2770825 B1 FR2770825 B1 FR 2770825B1
Authority
FR
France
Prior art keywords
helicopter
cabin
reducing vibration
turning aircraft
aircraft
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
FR9714220A
Other languages
English (en)
Other versions
FR2770825A1 (fr
Inventor
Laurent Thevenot
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 FR9714220A priority Critical patent/FR2770825B1/fr
Priority to US09/190,369 priority patent/US6067853A/en
Publication of FR2770825A1 publication Critical patent/FR2770825A1/fr
Application granted granted Critical
Publication of FR2770825B1 publication Critical patent/FR2770825B1/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
    • F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/002—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion characterised by the control method or circuitry
    • 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
    • F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
    • 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
    • F16F7/1005—Vibration-dampers; Shock-absorbers using inertia effect characterised by active control of the mass
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/001—Vibration damping devices
    • B64C2027/003—Vibration damping devices mounted on rotor hub, e.g. a rotary force generator

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Vibration Prevention Devices (AREA)
FR9714220A 1997-11-13 1997-11-13 Dispositif pour reduire les vibrations dans la cabine d'un aeronef a voilure tournante, notamment un helicoptere Expired - Fee Related FR2770825B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR9714220A FR2770825B1 (fr) 1997-11-13 1997-11-13 Dispositif pour reduire les vibrations dans la cabine d'un aeronef a voilure tournante, notamment un helicoptere
US09/190,369 US6067853A (en) 1997-11-13 1998-11-12 Device for reducing the vibration in the cabin of a rotary-wing aircraft, especially a helicopter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9714220A FR2770825B1 (fr) 1997-11-13 1997-11-13 Dispositif pour reduire les vibrations dans la cabine d'un aeronef a voilure tournante, notamment un helicoptere

Publications (2)

Publication Number Publication Date
FR2770825A1 FR2770825A1 (fr) 1999-05-14
FR2770825B1 true FR2770825B1 (fr) 1999-12-31

Family

ID=9513320

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9714220A Expired - Fee Related FR2770825B1 (fr) 1997-11-13 1997-11-13 Dispositif pour reduire les vibrations dans la cabine d'un aeronef a voilure tournante, notamment un helicoptere

Country Status (2)

Country Link
US (1) US6067853A (fr)
FR (1) FR2770825B1 (fr)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19832697C2 (de) * 1998-07-21 2000-11-16 Eurocopter Deutschland Vorrichtung und Verfahren zur Reduktion von Schwingungen längs einer Schwingungsausbreitung, insbesondere in einem Hubschrauber
US6229898B1 (en) * 1998-12-23 2001-05-08 Sikorsky Aircraft Corporation Active vibration control system using on-line system identification with enhanced noise reduction
US6467723B1 (en) * 2000-10-10 2002-10-22 Lord Corporation Active vibration control system for helicopter with improved actustor placement
FR2852648B1 (fr) * 2003-03-20 2006-06-30 Eurocopter France Dispositif antivibratoire a masselottes rotatives
US7370829B2 (en) * 2004-06-10 2008-05-13 Lord Corporation Method and system for controlling helicopter vibrations
US8267652B2 (en) * 2004-08-30 2012-09-18 Lord Corporation Helicopter hub mounted vibration control and circular force generation systems for canceling vibrations
CN101022994B (zh) 2004-08-30 2012-07-04 洛德公司 直升飞机振动控制系统和消除振动的旋转力发生器
US8162606B2 (en) 2004-08-30 2012-04-24 Lord Corporation Helicopter hub mounted vibration control and circular force generation systems for canceling vibrations
US7722322B2 (en) * 2004-08-30 2010-05-25 Lord Corporation Computer system and program product for controlling vibrations
KR101486721B1 (ko) * 2007-10-25 2015-01-28 로드코포레이션 분배 능동형 진동 제어 시스템 및 진동이 억제된 회전익 항공기
DE102008025298B4 (de) * 2008-05-27 2010-12-16 Deutsches Zentrum für Luft- und Raumfahrt e.V. Verfahren und Vorrichtung zur aktiven Dämpfung von Vertikalschwingungen bei einem Hubschrauber mit angehängter Außenlast
FR2954273B1 (fr) 2009-12-17 2012-02-24 Eurocopter France Structure porteuse d'un rotor, et appareil volant muni d'une telle structure porteuse
FR2975668B1 (fr) * 2011-05-27 2013-07-05 Eurocopter France Procede et aeronef muni d'un dispositif pour la reduction de vibrations
FR3052209B1 (fr) 2016-06-02 2018-06-01 Airbus Helicopters Resonateur, et aeronef muni de ce resonateur
US10974822B2 (en) * 2018-10-24 2021-04-13 Textron Innovations Inc. Anti-tail buffet system
US12060148B2 (en) 2022-08-16 2024-08-13 Honeywell International Inc. Ground resonance detection and warning system and method

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL57943A (en) * 1978-08-04 1983-06-15 United Technologies Corp Vibration absorber of pendular construction particularly for helicopters
US4819182A (en) * 1985-06-21 1989-04-04 Westland Plc Method and apparatus for reducing vibration of a helicopter fuselage
US5456341A (en) * 1993-04-23 1995-10-10 Moog Inc. Method and apparatus for actively adjusting and controlling a resonant mass-spring system
EP0786057B1 (fr) * 1994-10-12 1999-12-29 Lord Corporation Procedes et dispositifs actifs comprenant des amortisseurs de vibrations actifs (ava)
US5526292A (en) * 1994-11-30 1996-06-11 Lord Corporation Broadband noise and vibration reduction
FR2739670B1 (fr) * 1995-10-09 1999-05-14 Eurocopter France Dispositif pour amortir les vibrations d'une structure soumise a des sollicitations dynamiques
US5713438A (en) * 1996-03-25 1998-02-03 Lord Corporation Method and apparatus for non-model based decentralized adaptive feedforward active vibration control

Also Published As

Publication number Publication date
FR2770825A1 (fr) 1999-05-14
US6067853A (en) 2000-05-30

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Legal Events

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ST Notification of lapse

Effective date: 20140731