IT990912B - Rotore articolato per elicottero - Google Patents

Rotore articolato per elicottero

Info

Publication number
IT990912B
IT990912B IT26159/73A IT2615973A IT990912B IT 990912 B IT990912 B IT 990912B IT 26159/73 A IT26159/73 A IT 26159/73A IT 2615973 A IT2615973 A IT 2615973A IT 990912 B IT990912 B IT 990912B
Authority
IT
Italy
Prior art keywords
helicopter
articulated rotor
articulated
rotor
Prior art date
Application number
IT26159/73A
Other languages
English (en)
Original Assignee
United Aircraft 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 Aircraft Corp filed Critical United Aircraft Corp
Application granted granted Critical
Publication of IT990912B publication Critical patent/IT990912B/it

Links

Classifications

    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/32—Rotors

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Support Of The Bearing (AREA)
  • Braking Arrangements (AREA)
IT26159/73A 1972-07-05 1973-07-04 Rotore articolato per elicottero IT990912B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US26896472A 1972-07-05 1972-07-05

Publications (1)

Publication Number Publication Date
IT990912B true IT990912B (it) 1975-07-10

Family

ID=23025272

Family Applications (1)

Application Number Title Priority Date Filing Date
IT26159/73A IT990912B (it) 1972-07-05 1973-07-04 Rotore articolato per elicottero

Country Status (7)

Country Link
US (1) US3759632A (it)
JP (1) JPS4943396A (it)
CA (1) CA962650A (it)
DE (1) DE2331382A1 (it)
FR (1) FR2190663B1 (it)
GB (1) GB1427984A (it)
IT (1) IT990912B (it)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE30262E (en) * 1971-05-27 1980-04-29 Lord Corporation Compressive load carrying bearings
US4297078A (en) * 1978-05-17 1981-10-27 Westland Aircraft Limited Helicopter rotors
GB2025338B (en) * 1978-06-02 1982-08-04 Aerospatiale Helicopterrotor
US4235570A (en) * 1978-06-26 1980-11-25 United Technologies Corporation Elastomeric helicopter rotor load reaction system
US4242047A (en) * 1979-05-02 1980-12-30 United Technologies Corporation Adjustable bearing centering means for helicopter rotor elastomeric bearings
US4365936A (en) * 1979-12-06 1982-12-28 Chicago Rawhide Manufacturing Company Laminated elastomeric bearing unit
IT1157122B (it) * 1982-12-06 1987-02-11 Agusta Aeronaut Costr Rotore per elicottero
US4729753A (en) * 1985-11-04 1988-03-08 Bell Helicopter Textron Inc. Constant velocity elastomeric bearing joint
US5110260A (en) * 1990-12-17 1992-05-05 United Technologies Corporation Articulated helicopter rotor within an improved blade-to-hub connection
CA2533201C (en) 2003-08-27 2010-06-22 Bell Helicopter Textron Inc. Dual spring rate damper
WO2005075850A1 (en) * 2004-01-15 2005-08-18 Lord Corporation Rotary wing aircraft rod end and method of making a helicopter vehicle rod end with a precocked orientation
MX2008014460A (es) * 2006-05-12 2009-04-30 Textron Innovations Inc Horquilla con encastres de brazos ranurados.
US8548648B2 (en) * 2007-07-02 2013-10-01 Sikorsky Aircraft Corporation Fly-by-wire flight control system with electronic lead/lag damper algorithm
US8511997B2 (en) * 2007-12-19 2013-08-20 Sikorsky Aircraft Corporation Uniform fatigue life spherical elastomeric bearing
WO2009102324A1 (en) * 2008-02-12 2009-08-20 Bell Helicopter Textron Inc. Lead-lag damper for rotor hubs
US8275585B2 (en) 2008-04-26 2012-09-25 Sikorsky Aircraft Corporation Spherical elastomeric bearing with improved shim thickness
WO2010068194A1 (en) 2008-12-09 2010-06-17 Sikorsky Aircraft Corporation Lead stop for rotor system with fluid-elastomeric lead/lag damper
WO2011106050A2 (en) * 2009-11-23 2011-09-01 Lord Corporation Elastomeric high capacity laminated rotary wing aircraft bearing for rotary wing aircraft
WO2015047469A1 (en) * 2013-08-28 2015-04-02 Sikorsky Aircraft Corporation Composite stiffened rigid propeller shaped main rotor hub
US9796469B2 (en) * 2014-04-04 2017-10-24 The Boeing Company Modular rotor craft rotor hub system
US9656744B2 (en) * 2014-05-21 2017-05-23 Bell Helicopter Textron Inc. Adjustable blade-to-hub lead-lag damper attachment
WO2017035295A1 (en) * 2015-08-25 2017-03-02 Sikorsky Aircraft Corporation Bearing arrangement and an aircraft
US11105381B2 (en) * 2020-02-04 2021-08-31 Aktiebolaget Skf Rotor assembly bearing with centrifugal clutch mechanism
CN115924071A (zh) * 2023-03-13 2023-04-07 扬州平航航空动力技术有限公司 一种倾转旋翼机桨毂系统

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR934336A (fr) * 1946-09-25 1948-05-19 Const Aeronautiques Du Ct Soc Perfectionnements apportés aux articulations des pales des voilures sustentatrices tournantes et des hélices propulsives d'aéronefs
US3111172A (en) * 1962-06-21 1963-11-19 Lord Mfg Co Rotor head
US3292712A (en) * 1965-04-29 1966-12-20 Lord Corp Rotor head
US3282350A (en) * 1965-10-20 1966-11-01 Boeing Co Rotor blade mounting construction
US3501250A (en) * 1968-03-22 1970-03-17 Boeing Co Rotor hub
US3556673A (en) * 1968-10-11 1971-01-19 Bolkow Gmbh Rotor mounting
US3700352A (en) * 1971-03-05 1972-10-24 Lord Corp Rotor system

Also Published As

Publication number Publication date
DE2331382A1 (de) 1974-01-24
JPS4943396A (it) 1974-04-24
CA962650A (en) 1975-02-11
AU5695973A (en) 1974-12-19
FR2190663A1 (it) 1974-02-01
FR2190663B1 (it) 1976-11-12
US3759632A (en) 1973-09-18
GB1427984A (en) 1976-03-10

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