FR2479772A1 - Rotor d'helicoptere comprenant des joints elastomeres - Google Patents

Rotor d'helicoptere comprenant des joints elastomeres Download PDF

Info

Publication number
FR2479772A1
FR2479772A1 FR8106678A FR8106678A FR2479772A1 FR 2479772 A1 FR2479772 A1 FR 2479772A1 FR 8106678 A FR8106678 A FR 8106678A FR 8106678 A FR8106678 A FR 8106678A FR 2479772 A1 FR2479772 A1 FR 2479772A1
Authority
FR
France
Prior art keywords
arm
blade
hub
curved
rocker
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.)
Granted
Application number
FR8106678A
Other languages
English (en)
French (fr)
Other versions
FR2479772B1 (en, 2012
Inventor
Bruno Lovera
Santino Pancotti
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.)
Agusta SpA
Original Assignee
Costruzioni Aeronautiche Giovanni Augusta SpA
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 Costruzioni Aeronautiche Giovanni Augusta SpA filed Critical Costruzioni Aeronautiche Giovanni Augusta SpA
Publication of FR2479772A1 publication Critical patent/FR2479772A1/fr
Application granted granted Critical
Publication of FR2479772B1 publication Critical patent/FR2479772B1/fr
Granted 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
    • B64C27/322—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)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Toys (AREA)
  • Pivots And Pivotal Connections (AREA)
FR8106678A 1980-04-03 1981-04-02 Rotor d'helicoptere comprenant des joints elastomeres Granted FR2479772A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT67517/80A IT1129070B (it) 1980-04-03 1980-04-03 Rotore a giunti elastomerici per elicotteri

Publications (2)

Publication Number Publication Date
FR2479772A1 true FR2479772A1 (fr) 1981-10-09
FR2479772B1 FR2479772B1 (en, 2012) 1983-05-27

Family

ID=11303087

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8106678A Granted FR2479772A1 (fr) 1980-04-03 1981-04-02 Rotor d'helicoptere comprenant des joints elastomeres

Country Status (6)

Country Link
US (1) US4369019A (en, 2012)
JP (1) JPS56154396A (en, 2012)
DE (1) DE3113609C2 (en, 2012)
FR (1) FR2479772A1 (en, 2012)
GB (1) GB2073121B (en, 2012)
IT (1) IT1129070B (en, 2012)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2516891A1 (fr) * 1981-11-25 1983-05-27 Aerospatiale Rotor pour giravions, a articulations integrees dans le pied de pale
US4419051A (en) * 1982-02-16 1983-12-06 The Boeing Company Twin tension/torsion beam rotor system
IT1155133B (it) * 1982-03-11 1987-01-21 Agusta Aeronaut Costr Rotore per elicotteri
US4543040A (en) * 1982-09-30 1985-09-24 The Boeing Company Helicopter rotor system
IT1157122B (it) * 1982-12-06 1987-02-11 Agusta Aeronaut Costr Rotore per elicottero
IT1159375B (it) * 1983-03-15 1987-02-25 Agusta Aeronaut Costr Rotore per elicotteri
US4585393A (en) * 1983-03-22 1986-04-29 United Technologies Corporation Fiber reinforced/epoxy matrix composite helicopter rotor yoke
US4568245A (en) * 1983-03-22 1986-02-04 United Technologies Corporation Composite helicopter rotor hub
IT1205405B (it) * 1983-05-05 1989-03-15 Agusta Aeronaut Costr Rotore per elicotteri
JPS6035695A (ja) * 1983-05-05 1985-02-23 アグスタ　ソチエタ　ペル　アツィオニ ヘリコプタロータ
FR2551723B1 (fr) * 1983-09-08 1985-12-13 Aerospatiale Dispositif a butees escamotables pour limiter les battements des pales d'un rotor principal de giravion
US4549852A (en) * 1983-12-16 1985-10-29 United Technologies Corporation Helicopter blade droop stop with slidable droop stop seat
IT1182447B (it) * 1985-02-19 1987-10-05 Agusta Aeronaut Costr Rotore per elicotteri
IT1182448B (it) * 1985-02-19 1987-10-05 Agusta Aeronaut Costr Mozzo metallico per un rotore di elicottero
IT1196801B (it) * 1986-11-25 1988-11-25 Agusta Aeronaut Costr Rotore per elicotteri
FR2636914B1 (fr) * 1988-09-23 1992-03-06 Aerospatiale Dispositif de butees de battement pour pales de rotors de giravions, et tete de rotor le comportant
US4886419A (en) * 1988-09-30 1989-12-12 The Boeing Company Elastomeric bearing for helicopter rotor having lead-lag damping
US5059094A (en) * 1989-10-13 1991-10-22 Bell Helicopter Textron, Inc. Rotor redundant force retention system for vtol and vstol aircraft
US5110260A (en) * 1990-12-17 1992-05-05 United Technologies Corporation Articulated helicopter rotor within an improved blade-to-hub connection
US5620305A (en) * 1995-03-20 1997-04-15 The Boeing Company Hub for rotary wing aircraft
US5562416A (en) * 1995-08-10 1996-10-08 Sikorsky Aircraft Corporation Helicopter rotor blade mounting assembly
US7937143B2 (en) * 2004-11-02 2011-05-03 Ardian, Inc. Methods and apparatus for inducing controlled renal neuromodulation
US7857590B1 (en) 2006-08-11 2010-12-28 Neal Larry R Folding rotor for a rotorcraft
FR2957998B1 (fr) * 2010-03-29 2013-04-26 Eurocopter France Amortisseur d'une pale, et rotor muni d'un tel amortisseur
US9308992B2 (en) 2012-02-28 2016-04-12 Sikorsky Aircraft Corporation Helicopter blade retention composite yoke
FR3017108A1 (fr) * 2014-01-31 2015-08-07 Airbus Helicopters Rotor pour giravion comportant un mecanisme de butee en battement, et giravion
US9796469B2 (en) * 2014-04-04 2017-10-24 The Boeing Company Modular rotor craft rotor hub system
FR3034077B1 (fr) 2015-03-27 2018-05-04 Airbus Helicopters Mecanisme de butee en battement d'un ensemble sustentateur, rotor pour giravion comportant ce mecanisme de butee, et giravion
US10518867B2 (en) 2016-12-12 2019-12-31 Textron Innovations Inc. Loop yoke for proprotor systems
US10793254B2 (en) 2016-12-12 2020-10-06 Textron Innovations Inc. Soft-in-plane proprotor systems
US10518868B2 (en) 2016-12-12 2019-12-31 Textron Innovations Inc. Soft-in-plane proprotor systems
US11155347B2 (en) 2019-04-02 2021-10-26 Textron Innovations Inc. Rotorcraft blade grip

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2210767A1 (de) * 1971-03-05 1972-09-21 Lord Corp., Erie, Pa. (V.St.A.) Lager für ein Rotorblatt eines Drehflügelflugzeuges
FR2447856A1 (fr) * 1979-02-02 1980-08-29 Agusta Aeronaut Costr Rotor articule pour helicoptere
FR2458457A1 (fr) * 1979-06-05 1981-01-02 Aerospatiale Rotor de giravion a moyeu articule compact

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3761199A (en) * 1972-07-14 1973-09-25 United Aircraft Corp Helicopter rotor with redundant load carrying capability
GB1432117A (en) * 1973-05-10 1976-04-14 Aerospatiale Rotor for rotating wing type aircraft
JPS5852880B2 (ja) * 1973-09-14 1983-11-25 ユナイテッド・テクノロジ−ズ・コ−ポレイション 関節式ヘリコプタロ−タ
FR2285298A1 (fr) * 1974-09-19 1976-04-16 Aerospatiale Agencement de rotor de queue pour giravions
US4017043A (en) * 1976-03-08 1977-04-12 The United States Of America As Represented By The Secretary Of The Navy Deployable rotor
GB2025338B (en) * 1978-06-02 1982-08-04 Aerospatiale Helicopterrotor
US4257739A (en) * 1978-09-11 1981-03-24 Textron, Inc. Soft inplane helicopter rotor

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2210767A1 (de) * 1971-03-05 1972-09-21 Lord Corp., Erie, Pa. (V.St.A.) Lager für ein Rotorblatt eines Drehflügelflugzeuges
FR2447856A1 (fr) * 1979-02-02 1980-08-29 Agusta Aeronaut Costr Rotor articule pour helicoptere
FR2458457A1 (fr) * 1979-06-05 1981-01-02 Aerospatiale Rotor de giravion a moyeu articule compact

Also Published As

Publication number Publication date
FR2479772B1 (en, 2012) 1983-05-27
US4369019A (en) 1983-01-18
JPS56154396A (en) 1981-11-28
JPH0420840B2 (en, 2012) 1992-04-07
GB2073121A (en) 1981-10-14
GB2073121B (en) 1984-02-08
DE3113609C2 (de) 1994-05-05
IT1129070B (it) 1986-06-04
DE3113609A1 (de) 1982-05-13
IT8067517A0 (it) 1980-04-03

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