FR2041747A1 - - Google Patents

Info

Publication number
FR2041747A1
FR2041747A1 FR6916289A FR6916289A FR2041747A1 FR 2041747 A1 FR2041747 A1 FR 2041747A1 FR 6916289 A FR6916289 A FR 6916289A FR 6916289 A FR6916289 A FR 6916289A FR 2041747 A1 FR2041747 A1 FR 2041747A1
Authority
FR
France
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.)
Pending
Application number
FR6916289A
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.)
Sud Aviation Societe Nationale de Constructions Aerdnaettiques
Original Assignee
Sud Aviation Societe Nationale de Constructions Aerdnaettiques
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 Sud Aviation Societe Nationale de Constructions Aerdnaettiques filed Critical Sud Aviation Societe Nationale de Constructions Aerdnaettiques
Priority to FR6916289A priority Critical patent/FR2041747A1/fr
Priority to DE19702022873 priority patent/DE2022873C/de
Priority to GB2295870A priority patent/GB1313181A/en
Priority to US37826A priority patent/US3669566A/en
Priority to JP4324870A priority patent/JPS5424200B1/ja
Publication of FR2041747A1 publication Critical patent/FR2041747A1/fr
Priority to US00221032A priority patent/US3765267A/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D99/00—Subject matter not provided for in other groups of this subclass
    • B29D99/0025—Producing blades or the like, e.g. blades for turbines, propellers, or wings
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/51—Damping of blade movements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/30—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium with solid or semi-solid material, e.g. pasty masses, as damping medium
    • F16F9/306—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium with solid or semi-solid material, e.g. pasty masses, as damping medium of the constrained layer type, i.e. comprising one or more constrained viscoelastic layers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/902—High modulus filament or fiber
FR6916289A 1969-05-20 1969-05-20 Pending FR2041747A1 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
FR6916289A FR2041747A1 (fr) 1969-05-20 1969-05-20
DE19702022873 DE2022873C (de) 1969-05-20 1970-05-11 Verbindungselement zur Halterung von Rotorblattern an der Rotornabe eines Drehflügelflugzeugs
GB2295870A GB1313181A (en) 1969-05-20 1970-05-12 Connecting element
US37826A US3669566A (en) 1969-05-20 1970-05-15 Rotor construction
JP4324870A JPS5424200B1 (fr) 1969-05-20 1970-05-20
US00221032A US3765267A (en) 1969-05-20 1972-01-26 Connecting element between two members enabling them to rotate in relation to one another in three axes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR6916289A FR2041747A1 (fr) 1969-05-20 1969-05-20

Publications (1)

Publication Number Publication Date
FR2041747A1 true FR2041747A1 (fr) 1971-02-05

Family

ID=9034291

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6916289A Pending FR2041747A1 (fr) 1969-05-20 1969-05-20

Country Status (4)

Country Link
US (1) US3669566A (fr)
JP (1) JPS5424200B1 (fr)
FR (1) FR2041747A1 (fr)
GB (1) GB1313181A (fr)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2315432A1 (fr) * 1975-06-26 1977-01-21 United Technologies Corp Rotor d'helicoptere
FR2405802A1 (fr) * 1977-08-11 1979-05-11 Messerschmitt Boelkow Blohm Organe de transmission de forces, en forme de boucle, en un materiau renforce par des fibres
FR2442991A1 (fr) * 1978-11-30 1980-06-27 Vibrachoc Sa Isolateur de vibrations
EP0022918A2 (fr) * 1979-07-24 1981-01-28 Messerschmitt-Bölkow-Blohm Gesellschaft mit beschränkter Haftung Dispositif de fixation pour éléments de liaison superposés de pales de rotor, en particulier pour helicoptère
FR2474395A1 (fr) * 1980-01-28 1981-07-31 Aerospatiale Procede de fabrication d'un element flexible et torsible et elements obtenus selon ce procede
EP0085127A1 (fr) * 1982-02-02 1983-08-10 Messerschmitt-Bölkow-Blohm Gesellschaft mit beschränkter Haftung Rotor, en particulier pour aéronef à aile tournante, avec moyeu en matière plastique renforcé par des fibres
EP0294289A1 (fr) * 1987-06-04 1988-12-07 AEROSPATIALE Société Nationale Industrielle Bras de liaison torsible et flexible avec amortissement de flexion intégré, en particulier pour la liaison d'une pale de rotor à son moyeu, et rotor et moyeu équipés de tels bras
US5284420A (en) * 1991-10-16 1994-02-08 Aerospatiale Nationale Insustrielle Plastics multi-blade variable-pitch rotor
EP2949579A1 (fr) 2014-05-28 2015-12-02 AIRBUS HELICOPTERS DEUTSCHLAND GmbH Unité à bras de flexion avec au moins un élément de flexion torsadé
US10189563B2 (en) 2013-12-10 2019-01-29 Airbus Helicopters Deutschland GmbH Beam for a rotorcraft rotor and rotorcraft rotor

Families Citing this family (67)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1433139A (en) * 1972-06-30 1976-04-22 Trans Dev Ltd Composite tension members
DE2305855C3 (de) * 1973-02-02 1978-04-06 Markes & Co Kg, 5880 Luedenscheid Drehflügelrotor für Spielzeughubschrauber
US3893788A (en) * 1973-02-06 1975-07-08 Bendix Corp Flexible coupling
US4012169A (en) * 1973-05-10 1977-03-15 Societe Nationale Industrielle Aerospatiale Rotor for rotating wing type aircraft
US3874815A (en) * 1973-11-15 1975-04-01 Boeing Co Rotary head assembly for rotary wing aircraft
US3880551A (en) * 1973-11-15 1975-04-29 Boeing Co Rotary head assembly for rotary wing aircraft
FR2252916B1 (fr) * 1973-11-30 1978-02-24 Aerospatiale
US3879153A (en) * 1974-01-07 1975-04-22 Gerald L Breuner Attachment for rotor hub and pairs of blades
FR2285298A1 (fr) * 1974-09-19 1976-04-16 Aerospatiale Agencement de rotor de queue pour giravions
US3999886A (en) * 1974-10-10 1976-12-28 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Hingeless helicopter rotor with improved stability
US4037988A (en) * 1974-11-25 1977-07-26 The Boeing Company Flexure having pitch flap coupling
FR2310920A1 (fr) * 1975-05-14 1976-12-10 Aerospatiale Agencement de rotor pour aeronef a voilure tournante
US3999887A (en) * 1975-07-09 1976-12-28 Lord Corporation Propeller assembly
GB1526433A (en) * 1975-08-06 1978-09-27 Secr Defence Helicopter rotor blades
FR2355935A1 (fr) * 1976-02-10 1978-01-20 Saurer Diederichs Sa Perfectionnement aux aiguilles pour machines a tisser sans navette
US4028003A (en) * 1976-04-12 1977-06-07 United Technologies Corporation Torsionally compliant helicopter rotor blade with improved stability and performance characteristics
US4047839A (en) * 1976-05-28 1977-09-13 United Technologies Corporation Torque reacting means for the hubs of cross beam rotors
CH596355A5 (fr) * 1976-07-08 1978-03-15 Rueti Ag Maschf
DE2645174C2 (de) * 1976-10-07 1982-08-12 Messerschmitt-Bölkow-Blohm GmbH, 8000 München Rotorkopf für einen schlag- und schwenkgelenklosen Rotor
DE2648343C3 (de) * 1976-10-26 1981-06-19 Messerschmitt-Bölkow-Blohm GmbH, 8000 München Schlag- und schwenkgelenkloser Rotor für Drehflügelflugzeuge
DE2657832C3 (de) * 1976-12-21 1981-07-09 Messerschmitt-Bölkow-Blohm GmbH, 8000 München Schäkel für die Flügelaufhängung im Rumpf eines Luft- oder Raumfahrzeuges
US4150588A (en) * 1976-12-29 1979-04-24 Brewer Engineering Laboratories, Inc. Dynamic vibration absorber
US4087203A (en) * 1977-01-07 1978-05-02 United Technologies Corporation Cross beam rotor
FR2397325A1 (fr) * 1977-07-13 1979-02-09 Aerospatiale Moyeu de rotor, en particulier pour le rotor principal d'un helicoptere
FR2397326A2 (fr) * 1977-07-13 1979-02-09 Aerospatiale Rotor sans articulations, en particulier pour un giravion
DE2733101C3 (de) * 1977-07-22 1980-09-25 Messerschmitt-Boelkow-Blohm Gmbh, 8000 Muenchen Schlag- und schwenkgelenklose Rotorblattlagerung
US4227857A (en) * 1977-08-19 1980-10-14 Textron, Inc. Composite flexural yoke for helicopters
DE2758086C2 (de) * 1977-12-24 1983-12-01 Messerschmitt-Bölkow-Blohm GmbH, 8000 München Rotor für ein Drehflügelflugzeug mit gelenklosem Blattanschluß
DE2810334A1 (de) * 1978-03-10 1979-09-13 Messerschmitt Boelkow Blohm Rotorblatt, insbesondere fuer drehfluegelflugzeuge
FR2430354A1 (fr) * 1978-07-07 1980-02-01 Aerospatiale Helice multipale a pas variable d'un type simplifie
US4293276A (en) * 1978-10-27 1981-10-06 Textron Inc. Laminated composite rotor yoke
USRE30713E (en) * 1979-08-01 1981-08-18 United Technologies Corp. Cross beam rotor
US4349317A (en) * 1979-11-02 1982-09-14 The Boeing Company Bearingless rotor for single and tandem helicopters
US4304694A (en) * 1979-12-03 1981-12-08 United Technologies Corporation High damping epoxy resin composite
DE3004451C2 (de) * 1980-02-07 1985-04-04 Messerschmitt-Bölkow-Blohm GmbH, 8000 München Elastomere Dämpfungseinrichtung
GB2105818B (en) * 1981-09-15 1985-09-04 Steven Odobasic Torsion link
US4541777A (en) * 1982-03-15 1985-09-17 Hughes Helicopters, Inc. Low drag, bearingless rotor head for helicopters
US4455123A (en) * 1982-06-01 1984-06-19 Westland Plc Connecting element and helicopter rotor incorporating same
US4522563A (en) * 1982-07-06 1985-06-11 Bell Helicopter Textron, Inc. Elastomeric system for mounting a helicopter rotor
US4543040A (en) * 1982-09-30 1985-09-24 The Boeing Company Helicopter rotor system
GB2138100B (en) * 1983-03-18 1987-02-11 Steven Odobasic Laminated tubular link
US4585393A (en) * 1983-03-22 1986-04-29 United Technologies Corporation Fiber reinforced/epoxy matrix composite helicopter rotor yoke
US4568246A (en) * 1983-03-22 1986-02-04 United Technologies Corporation Fiber reinforced/epoxy matrix composite helicopter rotor torque tube
US4650401A (en) * 1983-04-07 1987-03-17 Mcdonnell Douglas Helicopter Company Flat strap cruciform flexure for helicopter rotor systems
EP0126613B1 (fr) * 1983-05-17 1989-09-20 Sumitomo Heavy Industries, Ltd Procédé et appareil pour la mesure de l'eau de mouillage dans une presse
US4627635A (en) * 1983-09-20 1986-12-09 Koleda Michael T Vibration damping units and vibration damped products
US4648800A (en) * 1984-05-15 1987-03-10 United Technologies Corporation Composite flexbeam for a rotary wing aircraft
GB2165333A (en) * 1984-09-26 1986-04-09 Steven Odobasic Laminated torsion elements
GB2165026A (en) * 1984-09-26 1986-04-03 Jose A Avila Composite torsion link
ES2014235B3 (es) * 1985-10-15 1990-07-01 Westland Group Plc Rotor de helicoptero.
FR2590323B1 (fr) * 1985-11-21 1989-08-11 Aerospatiale Moyeu en balancier pour rotor bi-pale
US4898515A (en) * 1986-07-23 1990-02-06 United Technologies Corporation External wrap of composite flexbeam
US4746272A (en) * 1986-07-23 1988-05-24 United Technologies Corporation Lobed composite flexbeam
DE3643520A1 (de) * 1986-12-19 1988-06-23 Messerschmitt Boelkow Blohm Rotor, insbesondere fuer drehfluegelflugzeuge
US5091029A (en) * 1991-01-15 1992-02-25 United Technologies Corporation Method of manufacturing a unitary, multi-legged helicopter rotor flexbeam made solely of composite materials
FR2728540A1 (fr) 1994-12-22 1996-06-28 Eurocopter France Rotor sans articulation a anneaux intermediaires de commande de pas
FR2756211B1 (fr) * 1996-11-26 1999-01-29 Eurocopter France Procede de fabrication d'un element composite flexible et torsible
US7665969B2 (en) * 2005-01-24 2010-02-23 Bell Helicopter Textron Inc. Assembly for providing flexure to blade system
JP5113734B2 (ja) * 2008-12-19 2013-01-09 川崎重工業株式会社 フレックスビームの断面決定方法およびフレックスビーム
JP5559621B2 (ja) * 2010-07-12 2014-07-23 川崎重工業株式会社 回転翼航空機用無関節型ロータハブ構造体およびその製造方法
US9555880B2 (en) * 2011-02-09 2017-01-31 Sikorsky Aircraft Corporation Flexbeam rotor
PL2626298T3 (pl) * 2012-02-09 2015-03-31 Agustawestland Spa Łopata wirnika statku powietrznego i odpowiedni sposób jej wytwarzania
US9150305B2 (en) 2012-02-29 2015-10-06 Sikorsky Aircraft Corporation Vibration absorbing device for flexbeams
US9249849B2 (en) * 2013-03-15 2016-02-02 Darrell J Hartwick Methods and mechanisms for the adjustment of stiffness in various equipment and devices
RU2651310C2 (ru) * 2013-03-25 2018-04-19 Айри Ре Срл Униперсонале Система управления лопастями вертолета с помощью сжатого воздуха
WO2015183658A1 (fr) * 2014-05-30 2015-12-03 Sikorsky Aircraft Corporation Enveloppe de tige structurellement efficace
JP7236171B2 (ja) * 2019-10-31 2023-03-09 国立大学法人北陸先端科学技術大学院大学 プロペラ

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1334446A (fr) * 1961-06-28 1963-08-09 Bolkow Entwicklungen Kg Articulation sans frottement
US3265554A (en) * 1962-06-11 1966-08-09 Bendix Corp Laminated tensile load carrying member having laminated end fittings
US3320483A (en) * 1966-03-11 1967-05-16 Bell Telephone Labor Inc Support member for card-edge type connectors
US3330362A (en) * 1966-05-31 1967-07-11 Lockheed Aircraft Corp Helicopter rotor

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1334446A (fr) * 1961-06-28 1963-08-09 Bolkow Entwicklungen Kg Articulation sans frottement
US3265554A (en) * 1962-06-11 1966-08-09 Bendix Corp Laminated tensile load carrying member having laminated end fittings
US3320483A (en) * 1966-03-11 1967-05-16 Bell Telephone Labor Inc Support member for card-edge type connectors
US3330362A (en) * 1966-05-31 1967-07-11 Lockheed Aircraft Corp Helicopter rotor

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2315432A1 (fr) * 1975-06-26 1977-01-21 United Technologies Corp Rotor d'helicoptere
FR2405802A1 (fr) * 1977-08-11 1979-05-11 Messerschmitt Boelkow Blohm Organe de transmission de forces, en forme de boucle, en un materiau renforce par des fibres
FR2442991A1 (fr) * 1978-11-30 1980-06-27 Vibrachoc Sa Isolateur de vibrations
EP0022918A2 (fr) * 1979-07-24 1981-01-28 Messerschmitt-Bölkow-Blohm Gesellschaft mit beschränkter Haftung Dispositif de fixation pour éléments de liaison superposés de pales de rotor, en particulier pour helicoptère
EP0022918A3 (en) * 1979-07-24 1981-11-04 Messerschmitt-Bolkow-Blohm Gesellschaft Mit Beschrankter Haftung Fastening device for superposed connecting means
FR2474395A1 (fr) * 1980-01-28 1981-07-31 Aerospatiale Procede de fabrication d'un element flexible et torsible et elements obtenus selon ce procede
EP0033275A1 (fr) * 1980-01-28 1981-08-05 Aerospatiale Societe Nationale Industrielle Procédé de fabrication d'un élément flexible et torsible et éléments obtenus selon ce procédé
US4386989A (en) * 1980-01-28 1983-06-07 Societe Nationale Industrielle Et Aerospatiale Method for producing a bendable and twistable element and such an element produced thereby
EP0085127A1 (fr) * 1982-02-02 1983-08-10 Messerschmitt-Bölkow-Blohm Gesellschaft mit beschränkter Haftung Rotor, en particulier pour aéronef à aile tournante, avec moyeu en matière plastique renforcé par des fibres
EP0294289A1 (fr) * 1987-06-04 1988-12-07 AEROSPATIALE Société Nationale Industrielle Bras de liaison torsible et flexible avec amortissement de flexion intégré, en particulier pour la liaison d'une pale de rotor à son moyeu, et rotor et moyeu équipés de tels bras
FR2616122A1 (fr) * 1987-06-04 1988-12-09 Aerospatiale Bras de liaison torsible et flexible avec amortissement de flexion integre, en particulier pour la liaison d'une pale de rotor a son moyeu, et rotor et moyeu equipes de tels bras
US4822245A (en) * 1987-06-04 1989-04-18 Aerospatiale Societe Nationale Industrielle Torsible, flexible linking arm with integrated flexion damping, in particular for linking a rotor blade to its hub, and rotor and hub equipped with such arms
US5284420A (en) * 1991-10-16 1994-02-08 Aerospatiale Nationale Insustrielle Plastics multi-blade variable-pitch rotor
US10189563B2 (en) 2013-12-10 2019-01-29 Airbus Helicopters Deutschland GmbH Beam for a rotorcraft rotor and rotorcraft rotor
EP2949579A1 (fr) 2014-05-28 2015-12-02 AIRBUS HELICOPTERS DEUTSCHLAND GmbH Unité à bras de flexion avec au moins un élément de flexion torsadé
US10005552B2 (en) 2014-05-28 2018-06-26 Airbus Helicopters Deutschland GmbH Flexbeam unit with at least one twisted flexbeam element

Also Published As

Publication number Publication date
JPS5424200B1 (fr) 1979-08-18
GB1313181A (en) 1973-04-11
US3669566A (en) 1972-06-13
DE2022873A1 (de) 1971-02-11

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