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IT1131121B - Apparecchio regolabile per centrare i cuscinetti elastomeri di un rotore di elicottero - Google Patents

Apparecchio regolabile per centrare i cuscinetti elastomeri di un rotore di elicottero

Info

Publication number
IT1131121B
IT1131121B IT21736/80A IT2173680A IT1131121B IT 1131121 B IT1131121 B IT 1131121B IT 21736/80 A IT21736/80 A IT 21736/80A IT 2173680 A IT2173680 A IT 2173680A IT 1131121 B IT1131121 B IT 1131121B
Authority
IT
Italy
Prior art keywords
center
helicopter rotor
adjustable apparatus
elastomer bearings
elastomer
Prior art date
Application number
IT21736/80A
Other languages
English (en)
Other versions
IT8021736A0 (it
Inventor
Donald Leroy Ferris
Peter Chase Ogle
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
Application filed by United Technologies Corp filed Critical United Technologies Corp
Publication of IT8021736A0 publication Critical patent/IT8021736A0/it
Application granted granted Critical
Publication of IT1131121B publication Critical patent/IT1131121B/it

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/32—Rotors
    • B64C27/322—Blade travel limiting devices, e.g. droop stops
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/32—Rotors
    • B64C27/35—Rotors having elastomeric joints

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Support Of The Bearing (AREA)
  • Catching Or Destruction (AREA)
  • Radio Relay Systems (AREA)
  • Compounds Of Unknown Constitution (AREA)
IT21736/80A 1979-05-02 1980-05-02 Apparecchio regolabile per centrare i cuscinetti elastomeri di un rotore di elicottero IT1131121B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/035,365 US4242047A (en) 1979-05-02 1979-05-02 Adjustable bearing centering means for helicopter rotor elastomeric bearings

Publications (2)

Publication Number Publication Date
IT8021736A0 IT8021736A0 (it) 1980-05-02
IT1131121B true IT1131121B (it) 1986-06-18

Family

ID=21882227

Family Applications (1)

Application Number Title Priority Date Filing Date
IT21736/80A IT1131121B (it) 1979-05-02 1980-05-02 Apparecchio regolabile per centrare i cuscinetti elastomeri di un rotore di elicottero

Country Status (11)

Country Link
US (1) US4242047A (it)
EP (1) EP0028636B1 (it)
JP (1) JPS55148696A (it)
AU (1) AU528903B2 (it)
BE (1) BE882662A (it)
BR (1) BR8008668A (it)
CA (1) CA1130769A (it)
DE (1) DE3068997D1 (it)
IT (1) IT1131121B (it)
NO (1) NO148144C (it)
WO (1) WO1980002407A1 (it)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1157122B (it) * 1982-12-06 1987-02-11 Agusta Aeronaut Costr Rotore per elicottero
FR2775951B1 (fr) * 1998-03-16 2001-09-07 Rene Mouille Pale de rotor, notamment pour le rotor arriere anticouple d'un helicoptere
FR3017855B1 (fr) * 2014-02-21 2016-04-29 Airbus Helicopters Rotor pour giravion comportant un mecanisme de butee en battement, et giravion
CN118928762A (zh) * 2024-08-28 2024-11-12 彩虹无人机科技有限公司 一种旋翼机的旋翼桨毂定心结构及旋翼机

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3501250A (en) * 1968-03-22 1970-03-17 Boeing Co Rotor hub
US3700352A (en) * 1971-03-05 1972-10-24 Lord Corp Rotor system
US3759632A (en) * 1972-07-05 1973-09-18 United Aircraft Corp Articulated helicopter rotor
US3759631A (en) * 1972-07-05 1973-09-18 United Aircraft Corp Compound bearing for connecting a helicopter blade to a helicopter rotor
US3764230A (en) * 1972-07-05 1973-10-09 United Aircraft Corp Articulated helicopter rotor utilizing plural elastomeric bearings for articulated support of the blade from the rotor hub
US3761199A (en) * 1972-07-14 1973-09-25 United Aircraft Corp Helicopter rotor with redundant load carrying capability
US3853426A (en) * 1972-09-05 1974-12-10 United Aircraft Corp Elastomeric helicopter rotor head with dynamic and static blade coning and droop stops
US3778189A (en) * 1972-09-05 1973-12-11 United Aircraft Corp Elastomeric helicopter rotor head with dynamic and static blade coning and droop stops
GB1432117A (en) * 1973-05-10 1976-04-14 Aerospatiale Rotor for rotating wing type aircraft
US3862812A (en) * 1973-07-18 1975-01-28 Lord Corp Rotor blade retention system
US3932059A (en) * 1975-01-10 1976-01-13 United Technologies Corporation Droop stops for helicopter rotor having elastomeric bearings
GB1530366A (en) * 1975-07-18 1978-10-25 Lord Corp Rotary blade retention system
US4028001A (en) * 1975-07-28 1977-06-07 Westland Aircraft Limited Rotor for rotary wing aircraft
DE2643166A1 (de) * 1975-11-03 1977-05-12 United Technologies Corp Elastomeres lager fuer hubschrauberrotor
US4028002A (en) * 1976-03-01 1977-06-07 Lord Corporation Rotor blade retention system
GB1534404A (en) * 1976-07-15 1978-12-06 Westland Aircraft Ltd Helicopter rotors
US4203708A (en) * 1978-06-26 1980-05-20 United Technologies Corporation Elastomeric rotor load reaction system

Also Published As

Publication number Publication date
WO1980002407A1 (en) 1980-11-13
NO148144B (no) 1983-05-09
US4242047A (en) 1980-12-30
EP0028636A1 (en) 1981-05-20
EP0028636A4 (en) 1981-09-01
DE3068997D1 (en) 1984-09-27
BR8008668A (pt) 1981-04-14
NO803954L (no) 1980-12-30
JPS6341800B2 (it) 1988-08-18
IT8021736A0 (it) 1980-05-02
EP0028636B1 (en) 1984-08-22
AU528903B2 (en) 1983-05-19
CA1130769A (en) 1982-08-31
AU5727380A (en) 1980-11-06
BE882662A (fr) 1980-07-31
NO148144C (no) 1983-08-17
JPS55148696A (en) 1980-11-19

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19960430