FR2768995B1 - Resonateur pendulaire de tete de rotor - Google Patents

Resonateur pendulaire de tete de rotor

Info

Publication number
FR2768995B1
FR2768995B1 FR9712218A FR9712218A FR2768995B1 FR 2768995 B1 FR2768995 B1 FR 2768995B1 FR 9712218 A FR9712218 A FR 9712218A FR 9712218 A FR9712218 A FR 9712218A FR 2768995 B1 FR2768995 B1 FR 2768995B1
Authority
FR
France
Prior art keywords
rotor head
pendulum rotor
head resonator
resonator
pendulum
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
FR9712218A
Other languages
English (en)
Other versions
FR2768995A1 (fr
Inventor
Thomas Pierre Loui Manfredotti
Michel Francois Anthoine
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 FR9712218A priority Critical patent/FR2768995B1/fr
Priority to US09/164,142 priority patent/US6062818A/en
Publication of FR2768995A1 publication Critical patent/FR2768995A1/fr
Application granted granted Critical
Publication of FR2768995B1 publication Critical patent/FR2768995B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • F16F15/10—Suppression of vibrations in rotating systems by making use of members moving with the system
    • F16F15/14—Suppression of vibrations in rotating systems by making use of members moving with the system using masses freely rotating with the system, i.e. uninvolved in transmitting driveline torque, e.g. rotative dynamic dampers
    • F16F15/1407—Suppression of vibrations in rotating systems by making use of members moving with the system using masses freely rotating with the system, i.e. uninvolved in transmitting driveline torque, e.g. rotative dynamic dampers the rotation being limited with respect to the driving means
    • F16F15/1464—Masses connected to driveline by a kinematic mechanism or gear system
    • F16F15/1471—Masses connected to driveline by a kinematic mechanism or gear system with a kinematic mechanism, i.e. linkages, levers
    • 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
    • B64C2027/003—Vibration damping devices mounted on rotor hub, e.g. a rotary force generator
    • 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)
  • Aviation & Aerospace Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Toys (AREA)
FR9712218A 1997-10-01 1997-10-01 Resonateur pendulaire de tete de rotor Expired - Fee Related FR2768995B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR9712218A FR2768995B1 (fr) 1997-10-01 1997-10-01 Resonateur pendulaire de tete de rotor
US09/164,142 US6062818A (en) 1997-10-01 1998-09-30 Rotor head pendular resonator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9712218A FR2768995B1 (fr) 1997-10-01 1997-10-01 Resonateur pendulaire de tete de rotor

Publications (2)

Publication Number Publication Date
FR2768995A1 FR2768995A1 (fr) 1999-04-02
FR2768995B1 true FR2768995B1 (fr) 1999-12-03

Family

ID=9511683

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9712218A Expired - Fee Related FR2768995B1 (fr) 1997-10-01 1997-10-01 Resonateur pendulaire de tete de rotor

Country Status (2)

Country Link
US (1) US6062818A (fr)
FR (1) FR2768995B1 (fr)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2784351B1 (fr) * 1998-10-12 2000-12-08 Eurocopter France Dispositif et procede pour reduire les vibrations engendrees sur la structure d'un aeronef a voilure tournante, notamment un helicoptere
FR2808256B1 (fr) * 2000-04-27 2002-08-30 Eurocopter France Rotor avec antivibreur de tete a pendules verticaux
US9046148B2 (en) * 2003-10-14 2015-06-02 Sikorsky Aircraft Corporation Active force generation system for minimizing vibration in a rotating system
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
US7722322B2 (en) * 2004-08-30 2010-05-25 Lord Corporation Computer system and program product for controlling vibrations
US8267652B2 (en) * 2004-08-30 2012-09-18 Lord Corporation Helicopter hub mounted vibration control and circular force generation systems for canceling vibrations
US8162606B2 (en) 2004-08-30 2012-04-24 Lord Corporation Helicopter hub mounted vibration control and circular force generation systems for canceling vibrations
WO2009055007A2 (fr) 2007-10-25 2009-04-30 Lord Corporation Systèmes répartis de contrôle actif des vibrations et aéronef à voilure tournante avec atténuation des vibrations
FR2951698B1 (fr) 2009-10-27 2012-03-30 Eurocopter France Dispositif pour reduire les vibrations engendrees par un rotor d'un giravion, et giravion muni d'un tel dispositif
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
FR2959484B1 (fr) 2010-04-30 2012-11-09 Eurocopter France Dispositif pour reduire les vibrations engendrees par un rotor de sustentation d'un giravion, et moyeu d'un rotor muni d'un tel dispositif.
US8955409B2 (en) * 2012-10-12 2015-02-17 Hamilton Sundstrand Corporation Rotating assembly including a dynamic balancing system
EP3421358B1 (fr) 2017-06-30 2019-08-21 LEONARDO S.p.A. Rotor destiné à un aéronef apte au vol stationnaire
WO2019082109A1 (fr) * 2017-10-25 2019-05-02 Ideaforge Technology Pvt. Ltd. Ensemble hélice à auto-équilibrage
US11459088B2 (en) * 2019-10-01 2022-10-04 Textron Innovations Inc. Rotor assembly
US11959465B2 (en) * 2022-04-18 2024-04-16 Paul Steranka Centrifugal gyroscopic devices, and associated systems and methods

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3289770A (en) * 1963-08-14 1966-12-06 Bolkow Gmbh Helicopter rotor system
GB1120193A (en) * 1964-12-31 1968-07-17 Boeing Co Vibration absorbing device
US3298443A (en) * 1964-12-31 1967-01-17 Boeing Co Vibration absorbing system
US4239455A (en) * 1978-09-11 1980-12-16 Textron, Inc. Blade-mounted centrifugal pendulum
US4239456A (en) * 1979-05-10 1980-12-16 Textron, Inc. Rotor blade out-of-plane centrifugal pendulums
FR2733483B1 (fr) 1995-04-27 1997-07-04 Eurocopter France Dispositif d'attenuation de vibrations pour rotor d'helicoptere

Also Published As

Publication number Publication date
FR2768995A1 (fr) 1999-04-02
US6062818A (en) 2000-05-16

Similar Documents

Publication Publication Date Title
DE69927551D1 (de) Resonatorstrukturen
DE69803682D1 (de) Schwingungserreger
DE69817099D1 (de) Laserdrucker
DE59805809D1 (de) Feder-massen-schwingkraftkoppler
DE69804210D1 (de) Rasiereinheit
DE69826014D1 (de) Schaftbefestigungsstruktur
FR2768995B1 (fr) Resonateur pendulaire de tete de rotor
DE69817303D1 (de) Gekühlte Statorschaufel
DE69822756D1 (de) Mikromechanischer Schwingkreisel
DE69824691D1 (de) Vibrationskreisel
DK0988135T3 (da) Foldbar barbermaskine
DE69818447D1 (de) Verbesserungen bezüglich der bilderzeugung
DE69832843D1 (de) Vibrationskreisel
DE59805493D1 (de) Laserresonator
DE69806221D1 (de) Rasierapparat
FR2746985B1 (fr) Resonateur piezoelectrique
DE69837512D1 (de) Vibrationskreisel
DE69525419D1 (de) Vibrationskreisel
ATE228237T1 (de) Rotor
DE69719833D1 (de) Vibrationskreisel
DE69819101D1 (de) Verbesserungen an Vibrationswellenmotoren
ATE378327T1 (de) Substituierte cyclobutylaminderivate
DE69825437D1 (de) Beschleunigungsaufnehmer
DE69525231D1 (de) Vibrationskreisel
DE69719832D1 (de) Vibrationskreisel

Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20130628