FR2351006A1 - Rotor pour helicoptere - Google Patents

Rotor pour helicoptere

Info

Publication number
FR2351006A1
FR2351006A1 FR7714182A FR7714182A FR2351006A1 FR 2351006 A1 FR2351006 A1 FR 2351006A1 FR 7714182 A FR7714182 A FR 7714182A FR 7714182 A FR7714182 A FR 7714182A FR 2351006 A1 FR2351006 A1 FR 2351006A1
Authority
FR
France
Prior art keywords
helicopter
rotor
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.)
Withdrawn
Application number
FR7714182A
Other languages
English (en)
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.)
Westland Group PLC
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 FR2351006A1 publication Critical patent/FR2351006A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/32—Rotors
    • B64C27/33—Rotors having flexing arms

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Support Of The Bearing (AREA)
  • Mechanical Operated Clutches (AREA)
  • Toys (AREA)
FR7714182A 1976-05-11 1977-05-10 Rotor pour helicoptere Withdrawn FR2351006A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB19446/76A GB1535391A (en) 1976-05-11 1976-05-11 Helicopter rotors

Publications (1)

Publication Number Publication Date
FR2351006A1 true FR2351006A1 (fr) 1977-12-09

Family

ID=10129519

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7714182A Withdrawn FR2351006A1 (fr) 1976-05-11 1977-05-10 Rotor pour helicoptere

Country Status (5)

Country Link
US (1) US4099892A (fr)
DE (1) DE2720923A1 (fr)
FR (1) FR2351006A1 (fr)
GB (1) GB1535391A (fr)
IT (1) IT1115964B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2387531A1 (fr) * 2009-01-19 2011-11-23 Bell Helicopter Textron Inc. Configuration de rotor rigide dans son plan

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4257739A (en) * 1978-09-11 1981-03-24 Textron, Inc. Soft inplane helicopter rotor
US4430045A (en) 1979-04-24 1984-02-07 Bell Helicopter Textron, Inc. Helicopter power train for distributing rotor blade flapping displacements through a plurality of drive train components
US4545733A (en) * 1982-03-18 1985-10-08 Messerschmitt-Boelkow-Blohm Gesellschaft Mit Beschraenkter Haftung Apparatus for adjusting the tracking of the blades in a rotor, especially for a rotary wing aircraft
US5620305A (en) * 1995-03-20 1997-04-15 The Boeing Company Hub for rotary wing aircraft
US6296444B1 (en) 1999-10-01 2001-10-02 Bell Helicopter Textron Inc. Prop rotor hub
US7845911B2 (en) * 2005-08-15 2010-12-07 Abe Karem Shaped rotor blade for reduced loads and vibration
US7775770B2 (en) * 2006-12-21 2010-08-17 The Boeing Company Pitch bearing containment seal
CN113071664B (zh) * 2021-04-06 2021-12-14 清华大学 直升机旋翼的桨毂组件

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2949967A (en) * 1959-05-25 1960-08-23 Hughes Tool Co Blade-to-hub connector for thrust producing rotor
US3026942A (en) * 1959-07-07 1962-03-27 Bell Helicopter Corp Helicopter rotor system
FR1334446A (fr) * 1961-06-28 1963-08-09 Bolkow Entwicklungen Kg Articulation sans frottement
FR2110441A1 (fr) * 1970-10-15 1972-06-02 Westland Aircraft Ltd
FR2110440A1 (fr) * 1970-10-15 1972-06-02 Westland Aircraft Ltd
FR2125150A1 (fr) * 1971-02-15 1972-09-29 Aerospatiale
FR2163452A1 (fr) * 1971-12-13 1973-07-27 Westland Aircraft Ltd
US3807896A (en) * 1972-10-10 1974-04-30 Textron Inc Concentric tube spring rotor mount
DE2421764A1 (de) * 1973-05-10 1974-11-28 Aerospatiale Rotor fuer drehfluegel-flugzeuge
FR2228663A1 (en) * 1973-05-10 1974-12-06 Aerospatiale Rotor for rotating wing aircraft - has yoke connecting rotor arm and star shaped rotor has low weight
FR2263151A2 (fr) * 1974-03-07 1975-10-03 Aerospatiale
US3918836A (en) * 1973-11-13 1975-11-11 Textron Inc Main rotor elastomeric bearing seal

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3231222A (en) * 1964-05-20 1966-01-25 Scheutzow Helicopter Corp Rotary wing aircraft
US3297094A (en) * 1965-10-20 1967-01-10 Boeing Co Aircraft propelling assembly
FR1542617A (fr) * 1967-07-31 1968-10-18 Sud Aviation Perfectionnements apportés aux rotors pour aérodynes à voilure tournante
FR96059E (fr) * 1968-10-30 1972-05-19 Sud Aviation Perfectionnements apportés aux rotors pour aérodynes a voilure tournante.
US3926536A (en) * 1970-10-15 1975-12-16 Westland Aircraft Ltd Semi-rigid rotor systems for rotary wing aircraft

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2949967A (en) * 1959-05-25 1960-08-23 Hughes Tool Co Blade-to-hub connector for thrust producing rotor
US3026942A (en) * 1959-07-07 1962-03-27 Bell Helicopter Corp Helicopter rotor system
FR1334446A (fr) * 1961-06-28 1963-08-09 Bolkow Entwicklungen Kg Articulation sans frottement
FR2110441A1 (fr) * 1970-10-15 1972-06-02 Westland Aircraft Ltd
FR2110440A1 (fr) * 1970-10-15 1972-06-02 Westland Aircraft Ltd
FR2125150A1 (fr) * 1971-02-15 1972-09-29 Aerospatiale
FR2163452A1 (fr) * 1971-12-13 1973-07-27 Westland Aircraft Ltd
US3807896A (en) * 1972-10-10 1974-04-30 Textron Inc Concentric tube spring rotor mount
DE2421764A1 (de) * 1973-05-10 1974-11-28 Aerospatiale Rotor fuer drehfluegel-flugzeuge
FR2228663A1 (en) * 1973-05-10 1974-12-06 Aerospatiale Rotor for rotating wing aircraft - has yoke connecting rotor arm and star shaped rotor has low weight
US3918836A (en) * 1973-11-13 1975-11-11 Textron Inc Main rotor elastomeric bearing seal
FR2263151A2 (fr) * 1974-03-07 1975-10-03 Aerospatiale

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2387531A1 (fr) * 2009-01-19 2011-11-23 Bell Helicopter Textron Inc. Configuration de rotor rigide dans son plan
EP2387531A4 (fr) * 2009-01-19 2014-11-12 Bell Helicopter Textron Inc Configuration de rotor rigide dans son plan
US8956117B2 (en) 2009-01-19 2015-02-17 Textron Innovations Inc. Stiff-in-plane rotor configuration
US9878782B2 (en) 2009-01-19 2018-01-30 Textron Innovations Inc. Stiff-in-plane rotor configuration

Also Published As

Publication number Publication date
IT1115964B (it) 1986-02-10
GB1535391A (en) 1978-12-13
US4099892A (en) 1978-07-11
DE2720923A1 (de) 1977-11-24

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Legal Events

Date Code Title Description
ST Notification of lapse