FR2566862B1 - Procede et appareil pour la reduction des vibrations d'un fuselage d'helicoptere - Google Patents

Procede et appareil pour la reduction des vibrations d'un fuselage d'helicoptere

Info

Publication number
FR2566862B1
FR2566862B1 FR8509858A FR8509858A FR2566862B1 FR 2566862 B1 FR2566862 B1 FR 2566862B1 FR 8509858 A FR8509858 A FR 8509858A FR 8509858 A FR8509858 A FR 8509858A FR 2566862 B1 FR2566862 B1 FR 2566862B1
Authority
FR
France
Prior art keywords
reducing vibration
helicopter fuselage
helicopter
fuselage
vibration
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
FR8509858A
Other languages
English (en)
Other versions
FR2566862A1 (fr
Inventor
Stephen Peter King
Christopher Hughes
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.)
Westland Group PLC
Original Assignee
Westland 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 Westland PLC filed Critical Westland PLC
Publication of FR2566862A1 publication Critical patent/FR2566862A1/fr
Application granted granted Critical
Publication of FR2566862B1 publication Critical patent/FR2566862B1/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/001—Vibration damping devices
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Vibration Prevention Devices (AREA)
FR8509858A 1984-06-29 1985-06-28 Procede et appareil pour la reduction des vibrations d'un fuselage d'helicoptere Expired FR2566862B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8416679 1984-06-29

Publications (2)

Publication Number Publication Date
FR2566862A1 FR2566862A1 (fr) 1986-01-03
FR2566862B1 true FR2566862B1 (fr) 1987-11-27

Family

ID=10563212

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8509858A Expired FR2566862B1 (fr) 1984-06-29 1985-06-28 Procede et appareil pour la reduction des vibrations d'un fuselage d'helicoptere

Country Status (5)

Country Link
DE (1) DE3522662A1 (fr)
FR (1) FR2566862B1 (fr)
GB (1) GB2160840B (fr)
IT (1) IT1182769B (fr)
SG (1) SG76488G (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2680848B1 (fr) * 1991-08-29 1995-03-17 Aerospatiale Ste Nat Indle Procede et dispositif pour filtrer les excitations vibratoires transmises entre deux pieces, notamment entre le rotor et le fuselage d'un helicoptere.
GB9124081D0 (en) * 1991-11-13 1992-09-23 Westland Helicopters Strut assemblies
GB9211719D0 (en) * 1992-06-03 1992-07-15 Westland Helicopters Method & apparatus for in-flight shake testing of an aircraft fuselage
GB2267470B (en) * 1992-06-03 1995-12-13 Westland Helicopters Method and apparatus for in-flight shake testing of an aircraft fuselage
FR2731405B1 (fr) * 1995-03-10 1997-05-09 Eurocopter France Systeme pour minimiser l'excitation dynamique d'un helicoptere
FR2749901B1 (fr) * 1996-06-12 2000-12-08 Eurocopter France Dispositif pour reduire les vibrations engendrees par un rotor de sustentation d'un aeronef a voilure tournante
DE10001159A1 (de) * 2000-01-13 2001-07-26 Liebherr Aerospace Gmbh Schwingungsisolator für Helikopter
DE10304336B4 (de) * 2003-02-03 2011-02-24 Eurocopter Deutschland Gmbh Verfahren zur Dämpfung von Heckausleger-Schwingungen von Drehflügelflugzeugen und Drehflügelflugzeug mit einer Heckausleger-Schwingungsdämpfungsvorrichtung
FR2975668B1 (fr) 2011-05-27 2013-07-05 Eurocopter France Procede et aeronef muni d'un dispositif pour la reduction de vibrations
GB2492965B (en) * 2011-07-15 2018-05-02 Agustawestland Ltd A system and method for reducing the transmission of vibration from a first vibrating body to a second body
EP3197771B1 (fr) * 2014-09-26 2019-06-26 Sikorsky Aircraft Corporation Système d'actionnement d'aéronef produisant un moment anti-vibrations
FR3040691A1 (fr) * 2015-09-08 2017-03-10 Airbus Helicopters Aeronef et groupe motoreducteur d'aeronef

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3144082A (en) * 1962-11-13 1964-08-11 Hughes Tool Co Vibration damping mechanism
US3216679A (en) * 1963-02-06 1965-11-09 Mechanical Tech Inc Active vibration isolator
FR1506385A (fr) * 1966-09-16 1967-12-22 Sud Aviation Procédé d'atténuation et atténuateur électro-hydraulique de vibrations pour aérodyne à voilure tournante
US3514054A (en) * 1967-06-05 1970-05-26 United Aircraft Corp Vibration isolation system
US3701499A (en) * 1968-04-08 1972-10-31 Wright Barry Corp Active fluid isolation system
US3606233A (en) * 1968-04-22 1971-09-20 Bolt Beranek & Newman Vibration isolation system
US3635427A (en) * 1969-05-06 1972-01-18 Textron Inc Aircraft vibration compensation system
US3638885A (en) * 1970-03-09 1972-02-01 Boeing Co Lag frequency selective damper
US3635429A (en) * 1970-03-27 1972-01-18 Textron Inc Aircraft vibration compensation system
US3617020A (en) * 1970-04-27 1971-11-02 Boeing Co Vibration control system
JPS5638438B1 (fr) * 1971-03-08 1981-09-07
US3845917A (en) * 1971-10-18 1974-11-05 Textron Inc Helicopter vibration isolation
JPS5511954A (en) * 1978-07-14 1980-01-28 Hitachi Ltd Method and device for controlling vibration of vehicle
US4199989A (en) * 1978-09-18 1980-04-29 Hughes Aircraft Company Cold damping of mechanical structures
EP0067548A1 (fr) * 1981-06-02 1982-12-22 M.L. Aviation Company Limited Amortisseur de vibrations
EP0108083A1 (fr) * 1982-04-19 1984-05-16 Sound Attenuators Limited Procede et dispositif pour une isolation active contre les vibrations
US4453378A (en) * 1982-04-19 1984-06-12 Chandler Evans, Inc. Torsional mode suppressor
GB2149473B (en) * 1983-11-08 1987-03-11 Lucas Ind Plc Actuator system

Also Published As

Publication number Publication date
IT8548290A0 (it) 1985-06-27
GB2160840A (en) 1986-01-02
SG76488G (en) 1990-07-06
FR2566862A1 (fr) 1986-01-03
GB8515295D0 (en) 1985-07-17
DE3522662A1 (de) 1986-01-09
IT1182769B (it) 1987-10-05
GB2160840B (en) 1987-12-02

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Legal Events

Date Code Title Description
TP Transmission of property