FR1506385A - Procédé d'atténuation et atténuateur électro-hydraulique de vibrations pour aérodyne à voilure tournante - Google Patents

Procédé d'atténuation et atténuateur électro-hydraulique de vibrations pour aérodyne à voilure tournante

Info

Publication number
FR1506385A
FR1506385A FR76594A FR76594A FR1506385A FR 1506385 A FR1506385 A FR 1506385A FR 76594 A FR76594 A FR 76594A FR 76594 A FR76594 A FR 76594A FR 1506385 A FR1506385 A FR 1506385A
Authority
FR
France
Prior art keywords
attenuation
electro
rotary wing
hydraulic vibration
vibration attenuator
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
FR76594A
Other languages
English (en)
Inventor
Louis Francois Georges Legrand
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.)
Sud Aviation Societe Nationale de Constructions Aerdnaettiques
Original Assignee
Sud Aviation Societe Nationale de Constructions Aerdnaettiques
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 Sud Aviation Societe Nationale de Constructions Aerdnaettiques filed Critical Sud Aviation Societe Nationale de Constructions Aerdnaettiques
Priority to FR76594A priority Critical patent/FR1506385A/fr
Priority to US661341A priority patent/US3477665A/en
Priority to GB38197/67A priority patent/GB1182339A/en
Application granted granted Critical
Publication of FR1506385A publication Critical patent/FR1506385A/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
    • F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/10—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using liquid only; using a fluid of which the nature is immaterial
    • F16F9/14—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect
    • F16F9/16—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts
    • F16F9/18—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts with a closed cylinder and a piston separating two or more working spaces therein
    • F16F9/20—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts with a closed cylinder and a piston separating two or more working spaces therein with the piston-rod extending through both ends of the cylinder, e.g. constant-volume dampers
    • 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
    • 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
FR76594A 1966-09-16 1966-09-16 Procédé d'atténuation et atténuateur électro-hydraulique de vibrations pour aérodyne à voilure tournante Expired FR1506385A (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR76594A FR1506385A (fr) 1966-09-16 1966-09-16 Procédé d'atténuation et atténuateur électro-hydraulique de vibrations pour aérodyne à voilure tournante
US661341A US3477665A (en) 1966-09-16 1967-08-17 Vibration attenuating method and electrohydraulic attenuator for rotarywing aircraft
GB38197/67A GB1182339A (en) 1966-09-16 1967-08-18 Improvements in or relating to Rotary-wing Aircraft

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR76594A FR1506385A (fr) 1966-09-16 1966-09-16 Procédé d'atténuation et atténuateur électro-hydraulique de vibrations pour aérodyne à voilure tournante

Publications (1)

Publication Number Publication Date
FR1506385A true FR1506385A (fr) 1967-12-22

Family

ID=8617250

Family Applications (1)

Application Number Title Priority Date Filing Date
FR76594A Expired FR1506385A (fr) 1966-09-16 1966-09-16 Procédé d'atténuation et atténuateur électro-hydraulique de vibrations pour aérodyne à voilure tournante

Country Status (3)

Country Link
US (1) US3477665A (fr)
FR (1) FR1506385A (fr)
GB (1) GB1182339A (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2566862A1 (fr) * 1984-06-29 1986-01-03 Westland Plc Procede et appareil pour la reduction des vibrations d'un fuselage d'helicoptere
EP0530075A1 (fr) * 1991-08-29 1993-03-03 Aerospatiale Societe Nationale Industrielle Procédé et dispositif pour filtrer les excitations vibratoires transmises entre deux pièces notamment entre le rotor et le fuselage d'un hélicoptère
EP2527250A1 (fr) 2011-05-27 2012-11-28 Eurocopter Procédé et aéronef muni d'un dispositif pour la réduction de vibrations

Families Citing this family (41)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3635427A (en) * 1969-05-06 1972-01-18 Textron Inc Aircraft vibration compensation system
US3690607A (en) * 1970-02-16 1972-09-12 Kenneth C Mard Vibration isolation system
US3649132A (en) * 1970-03-02 1972-03-14 United Aircraft Corp Vibration control for rotors
JPS5638438B1 (fr) * 1971-03-08 1981-09-07
US3807678A (en) * 1972-09-19 1974-04-30 Lord Corp System for controlling the transmission of energy between spaced members
US4033541A (en) * 1975-05-30 1977-07-05 Mcdonnell Douglas Corporation Torque rejection soft mounted platform
US4004757A (en) * 1975-10-16 1977-01-25 William Gallagher Oscillation damper for the hub of a rotorcraft rotor and its combination with a rotorcraft
US4073600A (en) * 1976-06-14 1978-02-14 William Gallagher Damping mechanism for the rotor hub of a helicopter for ground resonance and waddle and its combination with the rotor
US4963804A (en) * 1989-07-10 1990-10-16 Westinghouse Electric Corp. Apparatus and method for reducing vibration of rotating machinery
GB9104190D0 (en) * 1991-02-28 1991-06-12 Westland Helicopters Strut assemblies
GB9104189D0 (en) * 1991-02-28 1991-06-12 Westland Helicopters Active vibration control systems
GB9124081D0 (en) * 1991-11-13 1992-09-23 Westland Helicopters Strut assemblies
US5396973A (en) * 1991-11-15 1995-03-14 Lord Corporation Variable shock absorber with integrated controller, actuator and sensors
FR2689951B1 (fr) * 1992-04-10 1995-08-18 Bertin & Cie Dispositif de liaison mecanique rigide a coupure de frequence.
US5456341A (en) * 1993-04-23 1995-10-10 Moog Inc. Method and apparatus for actively adjusting and controlling a resonant mass-spring system
US5607123A (en) * 1994-06-30 1997-03-04 Alliedsignal Inc. Actuation system with passive compensation for transient loads
FR2731405B1 (fr) * 1995-03-10 1997-05-09 Eurocopter France Systeme pour minimiser l'excitation dynamique d'un helicoptere
US5845236A (en) * 1996-10-16 1998-12-01 Lord Corporation Hybrid active-passive noise and vibration control system for aircraft
US6634862B2 (en) 2000-09-15 2003-10-21 General Dynamics Advanced Information Systems, Inc. Hydraulic actuator
US20020094274A1 (en) * 2000-09-15 2002-07-18 Terpay Gregory Weston Passive device for noise reduction
US6644590B2 (en) 2000-09-15 2003-11-11 General Dynamics Advanced Information Systems, Inc. Active system and method for vibration and noise reduction
US7490792B1 (en) * 2004-11-16 2009-02-17 Cartercopters, L.L.C. Aircraft with rotor vibration isolation
DE602005008019D1 (de) * 2005-05-16 2008-08-21 Agusta Spa Hubschrauber mit verbesserter Schwingungskontrollvorrichtung
US8113321B2 (en) * 2006-05-06 2012-02-14 Lord Corporation Helicopter reduced vibration isolator axial support strut
KR20090076903A (ko) * 2006-10-12 2009-07-13 벨 헬리콥터 텍스트론 인크. 진동 완화 강성 장착 파일런
US8080029B2 (en) * 2007-09-21 2011-12-20 Novartis Ag System for actuation of a vitreous cutter
CN101626072A (zh) * 2009-08-11 2010-01-13 东莞新能源科技有限公司 锂离子电池正极片及其制备方法
US8818564B2 (en) 2009-08-31 2014-08-26 Alcon Research, Ltd. Pneumatic pressure output control by drive valve duty cycle calibration
US20110232614A1 (en) * 2009-09-25 2011-09-29 Cummins Intellectual Properties , Inc. System for measuring egr flow and method for reducing acoustic resonance in egr system
US8666556B2 (en) * 2009-12-10 2014-03-04 Alcon Research, Ltd. Systems and methods for dynamic feedforward
EP2509549B1 (fr) * 2009-12-10 2013-12-25 Alcon Research, Ltd. Systèmes et procédés pour dispositif de commande dynamique de soupape pneumatique
US8821524B2 (en) 2010-05-27 2014-09-02 Alcon Research, Ltd. Feedback control of on/off pneumatic actuators
FR2962713A1 (fr) 2010-07-13 2012-01-20 Eurocopter France Procede et aeronef muni d'un rotor arriere basculant
US8808318B2 (en) 2011-02-28 2014-08-19 Alcon Research, Ltd. Surgical probe with increased fluid flow
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
US9060841B2 (en) 2011-08-31 2015-06-23 Alcon Research, Ltd. Enhanced flow vitrectomy probe
US10070990B2 (en) 2011-12-08 2018-09-11 Alcon Research, Ltd. Optimized pneumatic drive lines
US9145946B2 (en) 2013-03-15 2015-09-29 Bell Helicopter Textron Inc. Active vibration isolation system
JP6584785B2 (ja) * 2015-02-12 2019-10-02 清水建設株式会社 回転慣性質量ダンパー
US9745055B2 (en) * 2015-03-24 2017-08-29 Bell Helicopter Textron Inc. Active vibration isolation with direct fluid actuation
CN110608258B (zh) * 2019-09-23 2020-10-30 中北大学 一种直升机主减半主动液压隔振器

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2395143A (en) * 1942-12-17 1946-02-19 Kellett Aircraft Corp Resilient mount for aircraft
US2949254A (en) * 1955-04-29 1960-08-16 Bauer Richard Helicopter structures
US2964272A (en) * 1955-07-01 1960-12-13 Rca Corp Vibration control apparatus
US3172630A (en) * 1962-05-14 1965-03-09 Gen Electric Force cancelling bearing pedestals using reciprocating masses
US3216679A (en) * 1963-02-06 1965-11-09 Mechanical Tech Inc Active vibration isolator

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2566862A1 (fr) * 1984-06-29 1986-01-03 Westland Plc Procede et appareil pour la reduction des vibrations d'un fuselage d'helicoptere
DE3522662A1 (de) * 1984-06-29 1986-01-09 Westland PLC, Yeovil, Somerset Verfahren und einrichtung zum reduzieren von schwingungen eines hubschrauberrumpfes
EP0530075A1 (fr) * 1991-08-29 1993-03-03 Aerospatiale Societe Nationale Industrielle Procédé et dispositif pour filtrer les excitations vibratoires transmises entre deux pièces notamment entre le rotor et le fuselage d'un hélicoptère
FR2680848A1 (fr) * 1991-08-29 1993-03-05 Aerospatiale Procede et dispositif pour filtrer les excitations vibratoires transmises entre deux pieces, notamment entre le rotor et le fuselage d'un helicoptere.
US5316240A (en) * 1991-08-29 1994-05-31 Aerospatiale Societe Nationale Industrielle Method and device for filtering the vibratory excitations transmitted between two parts especially between the rotor and the fuselage of a helicopter
EP2527250A1 (fr) 2011-05-27 2012-11-28 Eurocopter Procédé et aéronef muni d'un dispositif pour la réduction de vibrations
US8985502B2 (en) 2011-05-27 2015-03-24 Airbus Helicopters Aircraft provided with a device for reducing vibration, and a method therefor

Also Published As

Publication number Publication date
US3477665A (en) 1969-11-11
GB1182339A (en) 1970-02-25

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