IL57943A - Vibration absorber of pendular construction particularly for helicopters - Google Patents

Vibration absorber of pendular construction particularly for helicopters

Info

Publication number
IL57943A
IL57943A IL57943A IL5794379A IL57943A IL 57943 A IL57943 A IL 57943A IL 57943 A IL57943 A IL 57943A IL 5794379 A IL5794379 A IL 5794379A IL 57943 A IL57943 A IL 57943A
Authority
IL
Israel
Prior art keywords
pendular
helicopters
vibration absorber
construction particularly
construction
Prior art date
Application number
IL57943A
Other languages
English (en)
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
Publication of IL57943A publication Critical patent/IL57943A/xx

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)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Vibration Prevention Devices (AREA)
  • Pipe Accessories (AREA)
IL57943A 1978-08-04 1979-07-31 Vibration absorber of pendular construction particularly for helicopters IL57943A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US93108478A 1978-08-04 1978-08-04
US93108578A 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
IL57943A true IL57943A (en) 1983-06-15

Family

ID=27420669

Family Applications (1)

Application Number Title Priority Date Filing Date
IL57943A IL57943A (en) 1978-08-04 1979-07-31 Vibration absorber of pendular construction particularly for helicopters

Country Status (6)

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

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0067548A1 (en) * 1981-06-02 1982-12-22 M.L. Aviation Company Limited Vibration suppressor
DE3274573D1 (de) * 1981-09-29 1987-01-15 Textron Inc Nonlinear vibration absorber
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 (no) * 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
NO151718B (no) 1985-02-11
BR7904969A (pt) 1980-05-06
EP0008585A1 (en) 1980-03-05
NO151718C (no) 1985-05-22
AU4951279A (en) 1980-02-07
NO792535L (no) 1980-02-05
EP0008585B1 (en) 1982-05-19
DE2962898D1 (en) 1982-07-08
AU524413B2 (en) 1982-09-16

Similar Documents

Publication Publication Date Title
AR224511A1 (es) Conjunto amortiguador de vibraciones
DE3162546D1 (en) Manufacture of vibration dampers
IL57942A (en) Constant natural frequency bifilar vibration absorber for helicopters
JPS54163250A (en) Vibration absorbing balllanddroller bearing
JPS5525696A (en) Acoustic absorber
GB2027847B (en) Extended travel vibration damper assembly
JPS54116576A (en) Rotating body of tool or equivalent equipped with means for damping vibration
JPS54101063A (en) Vibration damper
GB2098672B (en) Blade to blade vibration damper
JPS54162584A (en) Method of measuring vibration
GB2036245B (en) Torsional vibration damper
JPS5554743A (en) Torsional vibration damper
IL57943A (en) Vibration absorber of pendular construction particularly for helicopters
DE2962826D1 (en) Improved torsional vibration damper
GB2021733B (en) Torsional vibration dampers
BR7903043A (pt) Amortecedor rotativo de vibracao
GB2039746B (en) Vibration isolator
JPS5551657A (en) Uppandddown movement damper mounting structure of bolsterless truck
JPS5565673A (en) Device for suppressing vibration of structure
JPS5520963A (en) Stopper construction of engine mounting
GB2036243B (en) Torsional vibration damper
JPS53137019A (en) Vibration absorbing alloy
JPS54145075A (en) Attenuation method of lowwfrequency vibration
JPS54144560A (en) Vibration attenuating construction
DE3171820D1 (en) Blade to blade vibration damper