FR2778165B1 - Rotor sans articulation avec demi-paliers precomprimes d'appui des manchettes de pied de pale sur des lames torsibles d'emplanture des pales - Google Patents

Rotor sans articulation avec demi-paliers precomprimes d'appui des manchettes de pied de pale sur des lames torsibles d'emplanture des pales

Info

Publication number
FR2778165B1
FR2778165B1 FR9805389A FR9805389A FR2778165B1 FR 2778165 B1 FR2778165 B1 FR 2778165B1 FR 9805389 A FR9805389 A FR 9805389A FR 9805389 A FR9805389 A FR 9805389A FR 2778165 B1 FR2778165 B1 FR 2778165B1
Authority
FR
France
Prior art keywords
blades
torsible
supporting blade
bearings supporting
blade foot
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.)
Expired - Fee Related
Application number
FR9805389A
Other languages
English (en)
Other versions
FR2778165A1 (fr
Inventor
Nicolas Pierre Georges Certain
Jean Pierre Jalaguier
Edwin Ortega
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.)
Airbus Helicopters SAS
Original Assignee
Eurocopter France SA
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 Eurocopter France SA filed Critical Eurocopter France SA
Priority to FR9805389A priority Critical patent/FR2778165B1/fr
Priority to US09/299,823 priority patent/US6113352A/en
Publication of FR2778165A1 publication Critical patent/FR2778165A1/fr
Application granted granted Critical
Publication of FR2778165B1 publication Critical patent/FR2778165B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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)
  • Structures Of Non-Positive Displacement Pumps (AREA)
FR9805389A 1998-04-29 1998-04-29 Rotor sans articulation avec demi-paliers precomprimes d'appui des manchettes de pied de pale sur des lames torsibles d'emplanture des pales Expired - Fee Related FR2778165B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR9805389A FR2778165B1 (fr) 1998-04-29 1998-04-29 Rotor sans articulation avec demi-paliers precomprimes d'appui des manchettes de pied de pale sur des lames torsibles d'emplanture des pales
US09/299,823 US6113352A (en) 1998-04-29 1999-04-26 Hingeless rotor with precompressed half-bearings supporting blade root oversleeves on torsionable blade root strips

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9805389A FR2778165B1 (fr) 1998-04-29 1998-04-29 Rotor sans articulation avec demi-paliers precomprimes d'appui des manchettes de pied de pale sur des lames torsibles d'emplanture des pales

Publications (2)

Publication Number Publication Date
FR2778165A1 FR2778165A1 (fr) 1999-11-05
FR2778165B1 true FR2778165B1 (fr) 2000-07-13

Family

ID=9525820

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9805389A Expired - Fee Related FR2778165B1 (fr) 1998-04-29 1998-04-29 Rotor sans articulation avec demi-paliers precomprimes d'appui des manchettes de pied de pale sur des lames torsibles d'emplanture des pales

Country Status (2)

Country Link
US (1) US6113352A (fr)
FR (1) FR2778165B1 (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2839945B1 (fr) * 2002-05-24 2004-08-13 Hutchinson Dispositif combine amortisseur-rotule pour rotor d'helicoptere
US8414234B2 (en) * 2004-10-15 2013-04-09 Q'Straint 3-point wheelchair passenger securement system
US7980522B2 (en) * 2007-12-28 2011-07-19 Alion Science And Technology Corporation Trailing edge blade clamp
EP2279943A4 (fr) * 2008-04-21 2012-05-09 Boris Andreevich Polovinkin Autogire à décollage et atterrissage verticaux
EP2274203A4 (fr) * 2008-04-23 2014-10-15 Abe Karem Systèmes de moyeu de rotor et procédés associés
EP2367719B1 (fr) * 2008-12-11 2018-09-12 Sikorsky Aircraft Corporation Assemblage pour lames de rotor de queue avec dispositif limiteur de mouvement d'un système de palier élastomère
US9457897B2 (en) * 2013-02-27 2016-10-04 Bell Helicopter Textron Inc. Rotor system shear bearing
US10336445B2 (en) * 2013-03-12 2019-07-02 Bell Helicopter Textron Inc. High flapping yoke hub assembly using a cylindrical elastomeric attachment to avoid holes
US9771152B2 (en) * 2013-03-20 2017-09-26 Sikorsky Aircraft Corporation Flexbeam to rotor blade interface
WO2015200757A1 (fr) * 2014-06-27 2015-12-30 Sikorsky Aircraft Corporation Élément de fixation de plaque de flexion destiné à un ensemble rotor
US10309452B2 (en) * 2014-09-30 2019-06-04 Aktiebolaget Skf Cylindrical bearing with thermally conductive members
US11454280B2 (en) * 2020-06-30 2022-09-27 Textron Innovations Inc. Rotor retention fitting with integral bearing and pitch control

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2285298A1 (fr) 1974-09-19 1976-04-16 Aerospatiale Agencement de rotor de queue pour giravions
US4244677A (en) 1978-07-12 1981-01-13 United Technologies Corporation Cross-beam helicopter rotor with readily replaceable snubber
US4427340A (en) * 1982-06-24 1984-01-24 Bell Helicopter Textron Inc. Soft inplane bearingless helicopter rotor
JP2667176B2 (ja) * 1987-11-10 1997-10-27 富士重工業株式会社 ヘリコプタのピッチ変更及びリードラグ減衰装置
US5092738A (en) * 1990-04-06 1992-03-03 United Technologies Corporation Flexbeam helicopter rotor with improved snubber-vibration damper between the torque tube and the flexible spar member

Also Published As

Publication number Publication date
US6113352A (en) 2000-09-05
FR2778165A1 (fr) 1999-11-05

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Legal Events

Date Code Title Description
CD Change of name or company name

Owner name: AIRBUS HELICOPTERS, FR

Effective date: 20150203

PLFP Fee payment

Year of fee payment: 18

ST Notification of lapse

Effective date: 20161230