DE2962898D1 - Vibration absorber and use thereof in a helicopter - Google Patents

Vibration absorber and use thereof in a helicopter

Info

Publication number
DE2962898D1
DE2962898D1 DE7979930014T DE2962898T DE2962898D1 DE 2962898 D1 DE2962898 D1 DE 2962898D1 DE 7979930014 T DE7979930014 T DE 7979930014T DE 2962898 T DE2962898 T DE 2962898T DE 2962898 D1 DE2962898 D1 DE 2962898D1
Authority
DE
Germany
Prior art keywords
helicopter
vibration absorber
absorber
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
DE7979930014T
Other languages
English (en)
Inventor
Kenneth Chris Mard
Paul Warren Vonhardenberg
Sylvester John Washburn
Edward Lavoie
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.)
Raytheon Technologies Corp
Original Assignee
United Technologies Corp
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
Priority claimed from US05/931,083 external-priority patent/US4213518A/en
Application filed by United Technologies Corp filed Critical United Technologies Corp
Application granted granted Critical
Publication of DE2962898D1 publication Critical patent/DE2962898D1/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
    • F16F7/00—Vibration-dampers; Shock-absorbers
    • F16F7/10—Vibration-dampers; Shock-absorbers using inertia effect
    • F16F7/104—Vibration-dampers; Shock-absorbers using inertia effect the inertia member being resiliently mounted
    • F16F7/116—Vibration-dampers; Shock-absorbers using inertia effect the inertia member being resiliently mounted on metal springs
    • 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
    • B64C2027/005—Vibration damping devices using suspended masses

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Vibration Prevention Devices (AREA)
  • Pipe Accessories (AREA)
DE7979930014T 1978-08-04 1979-08-02 Vibration absorber and use thereof in a helicopter Expired DE2962898D1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US93108578A 1978-08-04 1978-08-04
US93108478A 1978-08-04 1978-08-04
US05/931,083 US4213518A (en) 1978-08-04 1978-08-04 Fixed position pendular-type vibration absorber with linearization at fixed or variable frequencies

Publications (1)

Publication Number Publication Date
DE2962898D1 true DE2962898D1 (en) 1982-07-08

Family

ID=27420669

Family Applications (1)

Application Number Title Priority Date Filing Date
DE7979930014T Expired DE2962898D1 (en) 1978-08-04 1979-08-02 Vibration absorber and use thereof in a helicopter

Country Status (6)

Country Link
EP (1) EP0008585B1 (de)
AU (1) AU524413B2 (de)
BR (1) BR7904969A (de)
DE (1) DE2962898D1 (de)
IL (1) IL57943A (de)
NO (1) NO151718C (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0067548A1 (de) * 1981-06-02 1982-12-22 M.L. Aviation Company Limited Schwingungsdämpfer
EP0075877B1 (de) * 1981-09-29 1986-12-03 Textron Inc. Nichtlinearer Schwingungsdämpfer
GB8610350D0 (en) * 1986-04-28 1986-06-04 Secr Defence Self tuning vibration absorber
WO1999001298A1 (en) 1997-07-02 1999-01-14 Borringia Industrie Ag Drive wheel
FR2770825B1 (fr) * 1997-11-13 1999-12-31 Eurocopter France Dispositif pour reduire les vibrations dans la cabine d'un aeronef a voilure tournante, notamment un helicoptere
DK174404B1 (da) * 1998-05-29 2003-02-17 Neg Micon As Vindmølle med svingningsdæmper
KR102380266B1 (ko) * 2021-10-27 2022-03-29 한화시스템 주식회사 피아식별장비의 응답기 장착장치 및 피아식별용 비행장치

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR407732A (fr) * 1909-10-09 1910-03-09 Hermann Frahm Dispositif pour l'amortissement des vibrations des corps
US2736393A (en) * 1950-06-02 1956-02-28 Houdaille Hershey Corp Tuned vibration damper
US2586043A (en) * 1950-10-14 1952-02-19 Northrop Aircraft Inc Kinetic boom damper
US2796149A (en) * 1952-12-30 1957-06-18 Sperry Rand Corp Vibration dampening attachment
US3005520A (en) * 1959-09-14 1961-10-24 United Aircraft Corp Vibration absorber
US3085657A (en) * 1960-09-29 1963-04-16 Hazeltine Research Inc Variable frequency vibration absorber
US3536165A (en) * 1967-12-29 1970-10-27 Boeing Co Vibration absorber tuner
US3540809A (en) * 1968-09-20 1970-11-17 United Aircraft Corp Vibration damped helicopter rotor
JPS5638438B1 (de) * 1971-03-08 1981-09-07
US3917246A (en) * 1974-04-15 1975-11-04 Joseph R Gartner Tunable vibration absorber
GB1528486A (en) * 1975-10-22 1978-10-11 Yokohama Rubber Co Ltd Vibration absorbing apparatus

Also Published As

Publication number Publication date
AU524413B2 (en) 1982-09-16
EP0008585B1 (de) 1982-05-19
NO151718B (no) 1985-02-11
NO792535L (no) 1980-02-05
NO151718C (no) 1985-05-22
AU4951279A (en) 1980-02-07
BR7904969A (pt) 1980-05-06
IL57943A (en) 1983-06-15
EP0008585A1 (de) 1980-03-05

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Legal Events

Date Code Title Description
8339 Ceased/non-payment of the annual fee