IT1146223B - Perfezionamento negli elicotteri dotati di mezzi per l'assorbimento delle vibrazioni sul rotore principale - Google Patents

Perfezionamento negli elicotteri dotati di mezzi per l'assorbimento delle vibrazioni sul rotore principale

Info

Publication number
IT1146223B
IT1146223B IT50210/80A IT5021080A IT1146223B IT 1146223 B IT1146223 B IT 1146223B IT 50210/80 A IT50210/80 A IT 50210/80A IT 5021080 A IT5021080 A IT 5021080A IT 1146223 B IT1146223 B IT 1146223B
Authority
IT
Italy
Prior art keywords
vibrations
absorption
improvement
main rotor
helicopters equipped
Prior art date
Application number
IT50210/80A
Other languages
English (en)
Other versions
IT8050210A0 (it
Inventor
Alan H Vincent
Stephen P King
Michael J Glister
Original Assignee
Westland Aircraft Ltd
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 Westland Aircraft Ltd filed Critical Westland Aircraft Ltd
Publication of IT8050210A0 publication Critical patent/IT8050210A0/it
Application granted granted Critical
Publication of IT1146223B publication Critical patent/IT1146223B/it

Links

Classifications

    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Vibration Prevention Devices (AREA)
IT50210/80A 1980-07-19 1980-11-20 Perfezionamento negli elicotteri dotati di mezzi per l'assorbimento delle vibrazioni sul rotore principale IT1146223B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8023698 1980-07-19

Publications (2)

Publication Number Publication Date
IT8050210A0 IT8050210A0 (it) 1980-11-20
IT1146223B true IT1146223B (it) 1986-11-12

Family

ID=10514905

Family Applications (1)

Application Number Title Priority Date Filing Date
IT50210/80A IT1146223B (it) 1980-07-19 1980-11-20 Perfezionamento negli elicotteri dotati di mezzi per l'assorbimento delle vibrazioni sul rotore principale

Country Status (2)

Country Link
FR (1) FR2486906A1 (it)
IT (1) IT1146223B (it)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3428820C2 (de) * 1984-08-04 1986-11-06 Messerschmitt-Bölkow-Blohm GmbH, 8012 Ottobrunn Schwingungsisolator
FR2945789B1 (fr) * 2009-05-20 2011-05-13 Eurocopter France Dispositif a masses reparties pour reduire les vibrations engendrees par un rotor de sustentation d'un giravion, et moyeu d'un rotor muni d'un tel dispositif

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1465266A (en) * 1973-04-26 1977-02-23 Westland Aircraft Ltd Rotors for rotary wing aircraft
GB1528057A (en) * 1976-01-20 1978-10-11 Westland Aircraft Ltd Vibration absorbers
FR2416838A1 (fr) * 1978-02-10 1979-09-07 Aerospatiale Dispositif pour attenuer les vibrations d'un rotor de giravion
FR2416839A1 (fr) * 1978-02-10 1979-09-07 Aerospatiale Dispositif resonateur pour attenuer les vibrations d'un rotor de giravion

Also Published As

Publication number Publication date
FR2486906A1 (fr) 1982-01-22
IT8050210A0 (it) 1980-11-20
FR2486906B1 (it) 1983-06-10

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