DE3004451C2 - Elastomere Dämpfungseinrichtung - Google Patents

Elastomere Dämpfungseinrichtung

Info

Publication number
DE3004451C2
DE3004451C2 DE3004451A DE3004451A DE3004451C2 DE 3004451 C2 DE3004451 C2 DE 3004451C2 DE 3004451 A DE3004451 A DE 3004451A DE 3004451 A DE3004451 A DE 3004451A DE 3004451 C2 DE3004451 C2 DE 3004451C2
Authority
DE
Germany
Prior art keywords
blade
neck
individual pieces
plate
intermediate layer
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
DE3004451A
Other languages
German (de)
English (en)
Other versions
DE3004451A1 (de
Inventor
Dieter Dr.-Ing. 8011 Oberpframmern Braun
Wolfgang Dipl.-Ing. 8151 Valley Buchs
Andreas Ing.(grad.) 8011 Oedenstockach Kirchner
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 Deutschland GmbH
Original Assignee
Messerschmitt Bolkow Blohm AG
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 Messerschmitt Bolkow Blohm AG filed Critical Messerschmitt Bolkow Blohm AG
Priority to DE3004451A priority Critical patent/DE3004451C2/de
Priority to EP80107506A priority patent/EP0033771B1/de
Priority to US06/229,538 priority patent/US4334825A/en
Priority to JP1632481A priority patent/JPS56124742A/ja
Publication of DE3004451A1 publication Critical patent/DE3004451A1/de
Application granted granted Critical
Publication of DE3004451C2 publication Critical patent/DE3004451C2/de
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
    • F16F9/30—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
    • F16F9/306—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 of the constrained layer type, i.e. comprising one or more constrained viscoelastic layers
    • 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
    • B64C27/32—Rotors
    • B64C27/46—Blades
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/51—Damping of blade movements

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Wind Motors (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
DE3004451A 1980-02-07 1980-02-07 Elastomere Dämpfungseinrichtung Expired DE3004451C2 (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DE3004451A DE3004451C2 (de) 1980-02-07 1980-02-07 Elastomere Dämpfungseinrichtung
EP80107506A EP0033771B1 (de) 1980-02-07 1980-12-02 Elastomere Dämpfungseinrichtung
US06/229,538 US4334825A (en) 1980-02-07 1981-01-29 Elastomeric damping device especially for the neck of helicopter wing blades
JP1632481A JPS56124742A (en) 1980-02-07 1981-02-07 Elastmer damping device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3004451A DE3004451C2 (de) 1980-02-07 1980-02-07 Elastomere Dämpfungseinrichtung

Publications (2)

Publication Number Publication Date
DE3004451A1 DE3004451A1 (de) 1981-08-13
DE3004451C2 true DE3004451C2 (de) 1985-04-04

Family

ID=6093958

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3004451A Expired DE3004451C2 (de) 1980-02-07 1980-02-07 Elastomere Dämpfungseinrichtung

Country Status (4)

Country Link
US (1) US4334825A (enExample)
EP (1) EP0033771B1 (enExample)
JP (1) JPS56124742A (enExample)
DE (1) DE3004451C2 (enExample)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3526470C1 (de) * 1985-07-24 1987-01-02 Messerschmitt Boelkow Blohm Rotor,insbesondere eines Drehfluegelflugzeugs
DE68913928T2 (de) * 1988-12-09 1994-06-23 Trw Inc Viskoelastischer Dämpfungskörper und das dazugehörige Herstellungsverfahren.
DE19620427C1 (de) * 1996-05-21 1997-06-12 Eurocopter Deutschland Rotorblattanschluß
CN101297112B (zh) * 2005-11-03 2011-10-05 维斯塔斯风力系统有限公司 包括一个或多个振动阻尼器的风轮机叶片
US9150305B2 (en) 2012-02-29 2015-10-06 Sikorsky Aircraft Corporation Vibration absorbing device for flexbeams
US10442531B2 (en) 2015-08-18 2019-10-15 Sikorsky Aircraft Corporation Rotor damping

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2041747A1 (enExample) * 1969-05-20 1971-02-05 Sud Aviation
US3874815A (en) * 1973-11-15 1975-04-01 Boeing Co Rotary head assembly for rotary wing aircraft
US4120610A (en) * 1974-05-16 1978-10-17 Textron, Inc. Helicopter blade structure
US3999886A (en) * 1974-10-10 1976-12-28 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Hingeless helicopter rotor with improved stability
US4037988A (en) * 1974-11-25 1977-07-26 The Boeing Company Flexure having pitch flap coupling
DE2558709C3 (de) * 1975-12-24 1982-02-11 Messerschmitt-Bölkow-Blohm GmbH, 8000 München Elastomere Dämpfungseinrichtung
US4093400A (en) * 1976-12-15 1978-06-06 United Technologies Corporation Cross beam rotor
FR2397325A1 (fr) * 1977-07-13 1979-02-09 Aerospatiale Moyeu de rotor, en particulier pour le rotor principal d'un helicoptere
DE2806119B2 (de) * 1978-02-14 1980-06-04 Messerschmitt-Boelkow-Blohm Gmbh, 8000 Muenchen Rotorblatt, insbesondere für Drehflügelflugzeuge
DE2810334A1 (de) * 1978-03-10 1979-09-13 Messerschmitt Boelkow Blohm Rotorblatt, insbesondere fuer drehfluegelflugzeuge
DE2823389A1 (de) * 1978-05-29 1979-12-13 Reinert Mueller Rotorsystem fuer hubschrauber
US4299538A (en) * 1978-12-06 1981-11-10 United Technologies Corporation Cross beam rotor
DE2903524C2 (de) * 1979-01-31 1982-02-25 Messerschmitt-Bölkow-Blohm GmbH, 8000 München Schlag- und schwenkgelenkloser Anschluß von Rotorblättern eines Drehflügelflugzeuges

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NICHTS-ERMITTELT

Also Published As

Publication number Publication date
EP0033771B1 (de) 1984-05-09
JPH0239439B2 (enExample) 1990-09-05
EP0033771A2 (de) 1981-08-19
DE3004451A1 (de) 1981-08-13
US4334825A (en) 1982-06-15
JPS56124742A (en) 1981-09-30
EP0033771A3 (en) 1982-01-20

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Owner name: EUROCOPTER DEUTSCHLAND GMBH, 8012 OTTOBRUNN, DE