DE3373887D1 - Vibration damper, in particular a frequency adapter for helicopter blades - Google Patents

Vibration damper, in particular a frequency adapter for helicopter blades

Info

Publication number
DE3373887D1
DE3373887D1 DE8383401153T DE3373887T DE3373887D1 DE 3373887 D1 DE3373887 D1 DE 3373887D1 DE 8383401153 T DE8383401153 T DE 8383401153T DE 3373887 T DE3373887 T DE 3373887T DE 3373887 D1 DE3373887 D1 DE 3373887D1
Authority
DE
Germany
Prior art keywords
vibration damper
frequency adapter
helicopter blades
helicopter
blades
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
DE8383401153T
Other languages
English (en)
Inventor
Pierres Gildas Le
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.)
Vibrachoc SAS
Original Assignee
Vibrachoc SAS
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 Vibrachoc SAS filed Critical Vibrachoc SAS
Application granted granted Critical
Publication of DE3373887D1 publication Critical patent/DE3373887D1/de
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/51—Damping of blade movements
    • 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
    • F16F9/30—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium with solid or semi-solid material, e.g. pasty masses, as damping medium

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Combined Devices Of Dampers And Springs (AREA)
DE8383401153T 1982-06-11 1983-06-07 Vibration damper, in particular a frequency adapter for helicopter blades Expired DE3373887D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8210198A FR2528382A1 (fr) 1982-06-11 1982-06-11 Amortisseur de vibrations et notamment adaptateur de frequence pour pale d'helicoptere

Publications (1)

Publication Number Publication Date
DE3373887D1 true DE3373887D1 (en) 1987-11-05

Family

ID=9274889

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8383401153T Expired DE3373887D1 (en) 1982-06-11 1983-06-07 Vibration damper, in particular a frequency adapter for helicopter blades

Country Status (4)

Country Link
US (1) US4566677A (de)
EP (1) EP0097091B1 (de)
DE (1) DE3373887D1 (de)
FR (1) FR2528382A1 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2616122B1 (fr) * 1987-06-04 1990-11-30 Aerospatiale Bras de liaison torsible et flexible avec amortissement de flexion integre, en particulier pour la liaison d'une pale de rotor a son moyeu, et rotor et moyeu equipes de tels bras
FR2629163B1 (fr) * 1988-03-24 1991-01-04 Aerospatiale Contre-fiche de rappel elastique de type elasto-hydraulique a amortissement lineaire incorpore par laminage d'un fluide de viscosite elevee
FR2680845B1 (fr) * 1991-09-04 1995-02-10 Vibrachoc Sa Absorbeur d'energie vibratoire.
US5374039A (en) * 1992-08-24 1994-12-20 Lord Corporation Fluid-and-elastomer support device
WO1994015113A1 (en) * 1992-12-23 1994-07-07 United Technologies Corporation Tubular elastomer damper
FR2708694B1 (fr) * 1993-07-29 1995-10-06 Hutchinson Perfectionnement aux supports antivibratoires.
US5913659A (en) * 1993-11-22 1999-06-22 United Technologies Corporation Apparatus and method for adjusting rotor blade tracking
US5501434A (en) * 1994-05-10 1996-03-26 Lord Corporation Hybrid fluid and elastomer damper
US5540549A (en) * 1994-08-05 1996-07-30 Lord Corporation Fluid damping devices
US6293532B2 (en) 1997-08-04 2001-09-25 Lord Corporation Fluid and elastomer apparatus
US6092795A (en) * 1997-08-04 2000-07-25 Lord Corporation Fluid and elastomer damper
US6045328A (en) * 1998-09-23 2000-04-04 Lord Corporation Fluid damper including flexible damping plate
US8518085B2 (en) * 2010-06-10 2013-08-27 Spartek Medical, Inc. Adaptive spinal rod and methods for stabilization of the spine
FR3057541B1 (fr) * 2016-10-14 2019-03-29 Airbus Helicopters Amortisseur de trainee integre a l'interieur d'une pale d'un rotor

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1304311A (en) * 1918-05-15 1919-05-20 Andrew Heldrich Shock-absorber.
US1983259A (en) * 1932-05-06 1934-12-04 Weiland Alfred Control mechanism for vehicles
US2514140A (en) * 1947-06-17 1950-07-04 Houdaille Hershey Corp Combination linear and rotary vibration damper
DE1456105A1 (de) * 1964-04-24 1968-11-28 Westland Aircraft Ltd Daempfungsvorrichtung fuer die Rotorfluegelanordnungen von Flugzeugen,insbesondere Hubschrauber
US3403899A (en) * 1966-04-29 1968-10-01 Gen Motors Corp Viscous damped bushing
US3658314A (en) * 1969-08-18 1972-04-25 Clevite Corp Elastomeric fluid shock absorber
FR2063969B1 (de) * 1969-10-16 1974-05-24 Aerospatiale
CA934732A (en) * 1970-10-26 1973-10-02 L. Potter James Rotor system having viscoelastic lead-lag damper
US3842945A (en) * 1971-05-13 1974-10-22 J Potter Viscoelastic damper
DE7331639U (de) * 1973-08-31 1974-04-11 Lochner K Kombinierter Stoßdämpfer mit Energieverzehr
GB1445373A (en) * 1973-09-11 1976-08-11 Arfina Anstalt Finanz Frequency adapter particularly for a helicopter with rigid blades
FR2298737A1 (fr) * 1975-01-24 1976-08-20 Airlex Dispositif pour l'amortissement d'un mouvement oscillatoire
US4236607A (en) * 1979-02-26 1980-12-02 Textron, Inc. Vibration suppression system

Also Published As

Publication number Publication date
EP0097091B1 (de) 1987-09-30
FR2528382B1 (de) 1985-01-04
EP0097091A1 (de) 1983-12-28
FR2528382A1 (fr) 1983-12-16
US4566677A (en) 1986-01-28

Similar Documents

Publication Publication Date Title
GB2014099A (en) Damping vibrations in helicopter rotors
JPS56167599A (en) Helicopter blade
GB8308295D0 (en) Turbine blade
DE3171123D1 (en) Rotor blade airfoil for a helicopter
DE3373887D1 (en) Vibration damper, in particular a frequency adapter for helicopter blades
JPS56149296A (en) Blade having high performance for helicopter rotor
GB2136377B (en) Helicopter rotor
GB8302209D0 (en) Rotor blades
JPS56131496A (en) Rotor for helicopter
GB2116506B (en) A helicopter rotor
JPS56149297A (en) Rotor blade for helicopter
DE3464036D1 (en) Helicopter rotors
GB2130955B (en) Razor blades
GB8318349D0 (en) Sharpening rotating blades
GB2139171B (en) Helicopter rotor
GB2116505B (en) A helicopter rotor hub
GB8332230D0 (en) Helicopter rotor
GB8331077D0 (en) Rotor blade
GB2071775B (en) Turbomachine blade vibration damping
GB8306344D0 (en) Helicopter rotor
GB2122156B (en) A counter-torque rotor for helicopters
GB8410891D0 (en) Helicopter rotor
DE3367371D1 (en) Helicopter rotors
DE3069854D1 (en) Vibration damper for turbine blades
GB2090339B (en) Damping vibration in turbomachine blades

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee