FR2030036A1 - - Google Patents

Info

Publication number
FR2030036A1
FR2030036A1 FR6927311A FR6927311A FR2030036A1 FR 2030036 A1 FR2030036 A1 FR 2030036A1 FR 6927311 A FR6927311 A FR 6927311A FR 6927311 A FR6927311 A FR 6927311A FR 2030036 A1 FR2030036 A1 FR 2030036A1
Authority
FR
France
Prior art keywords
mandrel
layers
fibers
varied
wound
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
FR6927311A
Other languages
English (en)
Other versions
FR2030036B1 (fr
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 Defence and Space GmbH
Original Assignee
Messerschmitt Bolkow Blohm AG
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
Priority claimed from DE19681779433 external-priority patent/DE1779433C/de
Application filed by Messerschmitt Bolkow Blohm AG filed Critical Messerschmitt Bolkow Blohm AG
Publication of FR2030036A1 publication Critical patent/FR2030036A1/fr
Application granted granted Critical
Publication of FR2030036B1 publication Critical patent/FR2030036B1/fr
Expired 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
    • B29D99/0028—Producing blades or the like, e.g. blades for turbines, propellers, or wings hollow blades
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
    • B29C53/56—Winding and joining, e.g. winding spirally
    • B29C53/58—Winding and joining, e.g. winding spirally helically
    • B29C53/60—Winding and joining, e.g. winding spirally helically using internal forming surfaces, e.g. mandrels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C69/00—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore
    • B29C69/001—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore a shaping technique combined with cutting, e.g. in parts or slices combined with rearranging and joining the cut parts
    • B29C69/002—Winding
    • B29C69/003—Winding and cutting longitudinally, e.g. for making O-rings; chain links, insulation tubes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/28—Shaping operations therefor
    • B29C70/30—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
    • B29C70/34—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core and shaping or impregnating by compression, i.e. combined with compressing after the lay-up operation
    • B29C70/347—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core and shaping or impregnating by compression, i.e. combined with compressing after the lay-up operation combined with compressing after the winding of lay-ups having a non-circular cross-section, e.g. flat spiral windings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/28—Shaping operations therefor
    • B29C70/40—Shaping or impregnating by compression not applied
    • B29C70/42—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles
    • B29C70/44—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles using isostatic pressure, e.g. pressure difference-moulding, vacuum bag-moulding, autoclave-moulding or expanding rubber-moulding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/28—Shaping operations therefor
    • B29C70/40—Shaping or impregnating by compression not applied
    • B29C70/42—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles
    • B29C70/44—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles using isostatic pressure, e.g. pressure difference-moulding, vacuum bag-moulding, autoclave-moulding or expanding rubber-moulding
    • B29C70/446—Moulding structures having an axis of symmetry or at least one channel, e.g. tubular structures, frames
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/28—Shaping operations therefor
    • B29C70/54—Component parts, details or accessories; Auxiliary operations, e.g. feeding or storage of prepregs or SMC after impregnation or during ageing
    • B29C70/545—Perforating, cutting or machining during or after moulding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/32—Rotors
    • B64C27/46—Blades
    • B64C27/473—Constructional features
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
    • B29C43/10—Isostatic pressing, i.e. using non-rigid pressure-exerting members against rigid parts or dies
    • B29C43/12—Isostatic pressing, i.e. using non-rigid pressure-exerting members against rigid parts or dies using bags surrounding the moulding material or using membranes contacting the moulding material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2305/00—Use of metals, their alloys or their compounds, as reinforcement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2309/00—Use of inorganic materials not provided for in groups B29K2303/00 - B29K2307/00, as reinforcement
    • B29K2309/08—Glass
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/08—Blades for rotors, stators, fans, turbines or the like, e.g. screw propellers
    • B29L2031/082—Blades, e.g. for helicopters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/32—Rotors
    • B64C27/46—Blades
    • B64C27/473—Constructional features
    • B64C2027/4733—Rotor blades substantially made from particular materials
    • B64C2027/4736—Rotor blades substantially made from particular materials from composite materials
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T50/00—Aeronautics or air transport
    • Y02T50/40—Weight reduction

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Moulding By Coating Moulds (AREA)
FR6927311A 1968-08-10 1969-08-08 Expired FR2030036B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19681779433 DE1779433C (de) 1968-08-10 Verfahren zur Herstellung eines Verbundbaukörpers mit tragflügelartiger Gestaltung aus faserverstärktem Kunststoff, insbesondere eines Rotorblattes für Drehflügelflugzeuge

Publications (2)

Publication Number Publication Date
FR2030036A1 true FR2030036A1 (fr) 1970-10-30
FR2030036B1 FR2030036B1 (fr) 1974-02-01

Family

ID=5703899

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6927311A Expired FR2030036B1 (fr) 1968-08-10 1969-08-08

Country Status (3)

Country Link
US (1) US3713753A (fr)
FR (1) FR2030036B1 (fr)
GB (1) GB1262704A (fr)

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2374532A1 (fr) * 1976-12-17 1978-07-13 United Technologies Corp Pale a demi-longeron pour turbine eolienne
FR2448048A1 (fr) * 1979-02-02 1980-08-29 United Technologies Corp Mandrin composite de formation de longeron de pale de turbine eolienne et son procede de fabrication
EP0458961A1 (fr) * 1989-12-18 1991-12-04 Fmc Corporation Procede et appareil de formage de composite epais de formes completes
EP0470896A2 (fr) * 1990-08-08 1992-02-12 V.S.A. Procédé pour la réalisation, en vue d'une opération de moulage, d'un élément souple tubulaire imprégné de résine
FR2671756A1 (fr) * 1991-01-21 1992-07-24 Vieillard Paul Henri Procede pour la realisation d'une nappe de fibres resistantes enduites de resine, formant un materiau dont l'anisotropie peut etre controlee.
US5135596A (en) * 1990-02-23 1992-08-04 Deutsche Forschungsanstalt Fur Luft- Und Raumfahrt E.V. Process for manufacturing flanged tubular members from fiber composites
US5540877A (en) * 1994-02-24 1996-07-30 Wilson Sporting Goods Co. Method of making a continous fiber reinforced resin transfer molded frame for a game racquet
US5575881A (en) * 1994-02-24 1996-11-19 Wilson Sporting Goods Co. Filament wound frame for a game racquet
US5575875A (en) * 1994-02-24 1996-11-19 Wilson Sporting Goods Co. Filament wound fiber reinforced thermoplastic frame for a game racquet
US6422958B1 (en) 1994-02-24 2002-07-23 David W. Repetto Frame for a game racquet formed by filament winding
EP2082958A1 (fr) * 2008-01-25 2009-07-29 Eurocopter Pale de giravion munie d'un longeron intégrant une attache de fixation, et procédé de fabrication d'un tel longeron
CN102167156A (zh) * 2010-02-26 2011-08-31 尤洛考普特公司 自适应扭转的桨叶和设有此种桨叶的旋翼
EP2974854A1 (fr) 2014-07-18 2016-01-20 Airbus Helicopters Procede de fabrication d'un longeron d'une pale, et de fabrication d'une pale
EP2974851A1 (fr) 2014-07-18 2016-01-20 Airbus Helicopters Procédé de fabrication d'un longeron d'une pale, et une pale

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US3779487A (en) * 1971-04-19 1973-12-18 L Ashton Light weight contoured load carrying structure
US3782856A (en) * 1972-05-31 1974-01-01 United Aircraft Corp Composite aerodynamic blade with twin-beam spar
US3962506A (en) * 1974-04-29 1976-06-08 Fiber Science, Inc. Multi-chambered cellular structure and method for manufacture
US4037988A (en) * 1974-11-25 1977-07-26 The Boeing Company Flexure having pitch flap coupling
US3943020A (en) * 1974-12-05 1976-03-09 Fiber Science, Inc. Filament wound blade and method for manufacturing same
US4083656A (en) * 1975-03-21 1978-04-11 Textron, Inc. Composite rotor blade
GB1526433A (en) * 1975-08-06 1978-09-27 Secr Defence Helicopter rotor blades
US4022547A (en) * 1975-10-02 1977-05-10 General Electric Company Composite blade employing biased layup
DE2558882C3 (de) * 1975-12-27 1979-10-11 Walter 5300 Bonn Schoenball Aufbau eines Rotors, insbesondere für Windkraftmaschinen
US4028003A (en) * 1976-04-12 1977-06-07 United Technologies Corporation Torsionally compliant helicopter rotor blade with improved stability and performance characteristics
US4096012A (en) * 1976-08-30 1978-06-20 The Boeing Company Method of forming a spar layup for an aerodynamic rotor blade
FR2381662A1 (fr) * 1977-02-28 1978-09-22 Aerospatiale Pale, notamment pour un rotor d'helicoptere, et son procede de fabrication
US4227857A (en) * 1977-08-19 1980-10-14 Textron, Inc. Composite flexural yoke for helicopters
DE2856400A1 (de) * 1978-01-03 1979-07-12 Secr Defence Brit Tragfluegel, insbesondere fuer drehfluegelflugzeuge
US4248649A (en) * 1978-01-19 1981-02-03 Rolls-Royce Limited Method for producing a composite structure
US4247258A (en) * 1978-11-13 1981-01-27 United Technologies Corporation Composite wind turbine blade
US4260332A (en) * 1979-03-22 1981-04-07 Structural Composite Industries, Inc. Composite spar structure having integral fitting for rotational hub mounting
US4316700A (en) * 1979-04-03 1982-02-23 Schramm Burford J Unitary, bonded-together helicopter rotorblade
US4452658A (en) * 1979-04-03 1984-06-05 Schramm Burford J Method for making a helicopter rotor blade
US4366387A (en) * 1979-05-10 1982-12-28 Carter Wind Power Wind-driven generator apparatus and method of making blade supports _therefor
US4304694A (en) * 1979-12-03 1981-12-08 United Technologies Corporation High damping epoxy resin composite
US4339230A (en) * 1980-04-22 1982-07-13 Hercules Incorporated Bifoil blade
US4470862A (en) * 1982-05-27 1984-09-11 United Technologies Corporation Manufacture of fiber reinforced articles
US4621980A (en) * 1984-09-19 1986-11-11 United Technologies Corporation Fiber reinforced composite spar for a rotary wing aircraft
US4741943A (en) * 1985-12-30 1988-05-03 The Boeing Company Aerodynamic structures of composite construction
FR2602739B1 (fr) * 1986-07-28 1988-11-18 Aerospatiale Pale en materiaux composites, a structure bilongeron et bicaisson, et a revetement stratifies a sandwich de nid d'abeilles, et son procede de fabrication
US5074753A (en) * 1989-10-16 1991-12-24 Bell Helicopter Textron Inc. Rotor blade
US5269657A (en) * 1990-07-20 1993-12-14 Marvin Garfinkle Aerodynamically-stable airfoil spar
US5487806A (en) * 1990-08-08 1996-01-30 Viellard; Paul-Henri Method for embodying a flexible tubular element impregnated with resin to be subsequently moulded
US5127802A (en) * 1990-12-24 1992-07-07 United Technologies Corporation Reinforced full-spar composite rotor blade
US5868351A (en) * 1996-05-23 1999-02-09 Bell Helicopter Textron Inc. Rotor blade stowing system
USD409299S (en) * 1997-05-21 1999-05-04 Aloha Housewares Co. Ltd. Combined ceiling fan support arm and blade
US5967754A (en) * 1997-12-24 1999-10-19 Aloha Housewares Co., Ltd. One-piece ceiling fan arm and blade unit
DK175275B1 (da) * 2002-03-19 2004-08-02 Lm Glasfiber As Overgangsområde i vindmöllevinge
DK175562B1 (da) * 2002-03-19 2004-12-06 Lm Glasfiber As Vindmöllevinge med kulfibertip
DE10217918C1 (de) * 2002-04-23 2003-08-07 Xperion Gmbh Verfahren zur Herstellung von Bauteilen als Faser-Kunststoff-Verbund
WO2004078461A1 (fr) * 2003-03-06 2004-09-16 Vestas Wind Systems A/S Connexion entre des composites ayant des proprietes non compatibles et procede de preparation
US7228611B2 (en) * 2003-11-18 2007-06-12 The Boeing Company Method of transferring large uncured composite laminates
US7066717B2 (en) * 2004-04-22 2006-06-27 Siemens Power Generation, Inc. Ceramic matrix composite airfoil trailing edge arrangement
US7802968B2 (en) * 2005-07-29 2010-09-28 General Electric Company Methods and apparatus for reducing load in a rotor blade
DE102006022272C5 (de) * 2006-05-11 2013-07-25 Repower Systems Ag Rotorblattanschluss
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GB2472460B (en) * 2009-08-07 2011-11-16 Gurit Wind or tidal turbine blade having an attachment
ES2423186T3 (es) * 2009-08-20 2013-09-18 Siemens Aktiengesellschaft Estructura de plástico reforzado con fibra y método para producir la estructura de plástico reforzado con fibra
US8167570B2 (en) 2009-12-14 2012-05-01 General Electric Company Fluid turbine blade and method of providing the same
US8992813B2 (en) * 2009-12-18 2015-03-31 Magna International Inc. Sheet molding compound with cores
US8500407B1 (en) 2010-03-28 2013-08-06 The Boeing Company Composite blade root-end drill-through lug and attachment method
GB201016548D0 (en) * 2010-10-01 2010-11-17 Vestas Wind Sys As Wind turbines
CA2816509C (fr) * 2010-11-12 2016-02-23 Bell Helicopter Textron Inc. Pale de rotor composite a materiau pondere pour equilibrage de messe
TWI474919B (zh) * 2012-03-28 2015-03-01 Blade Structure and Fabrication Method of Composite Material Wind Turbine
US9745751B2 (en) * 2013-02-26 2017-08-29 University Of Connecticut Reinforced structural column system
US9682773B2 (en) 2013-06-25 2017-06-20 The Boeing Company Systems and methods for blade attachment
DE102013215384A1 (de) * 2013-08-05 2015-02-26 Wobben Properties Gmbh Verfahren zur Herstellung eines Verbundformteils, Verbundformteil, Sandwichbauteil und Rotorblattelement und Windenergieanlage
CN106457614A (zh) * 2014-04-24 2017-02-22 Lm Wp 专利控股有限公司 风力涡轮机叶片制造系统和方法
EP3056330B1 (fr) * 2015-02-16 2019-11-13 Teijin Aramid B.V. Panneaux fabriqués à partir d'articles creux cylindriques
AU2016219741B2 (en) 2016-08-29 2022-09-15 The Boeing Company A method and system for fabricating a composite structure
CN109305359A (zh) * 2017-07-28 2019-02-05 中交遥感载荷（安徽）科技有限公司 一种农业无人机螺旋桨及其制作方法
CN111448057A (zh) * 2017-12-14 2020-07-24 Lm风力发电国际技术有限公司 用于制造加固的风力涡轮机叶片的系统和方法
WO2020180601A1 (fr) * 2019-03-01 2020-09-10 General Electric Company Pale de rotor d'éolienne articulée dotée de bagues de broche s'étendant dans le sens de la corde conçues pour réduire au minimum un espace dans le sens de la corde

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Cited By (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2374532A1 (fr) * 1976-12-17 1978-07-13 United Technologies Corp Pale a demi-longeron pour turbine eolienne
FR2448048A1 (fr) * 1979-02-02 1980-08-29 United Technologies Corp Mandrin composite de formation de longeron de pale de turbine eolienne et son procede de fabrication
EP0458961A1 (fr) * 1989-12-18 1991-12-04 Fmc Corporation Procede et appareil de formage de composite epais de formes completes
EP0458961A4 (en) * 1989-12-18 1993-03-03 Fmc Corporation Method and apparatus for forming thick complex shaped composites
TR25768A (tr) * 1989-12-18 1993-09-01 Fmc Corp Kalin kompleks sekilli kompozit maddeleri meydana getirmek icin usul ve cihaz
US5135596A (en) * 1990-02-23 1992-08-04 Deutsche Forschungsanstalt Fur Luft- Und Raumfahrt E.V. Process for manufacturing flanged tubular members from fiber composites
EP0470896A2 (fr) * 1990-08-08 1992-02-12 V.S.A. Procédé pour la réalisation, en vue d'une opération de moulage, d'un élément souple tubulaire imprégné de résine
EP0470896A3 (en) * 1990-08-08 1992-07-08 Paul Henri Viellard Method for producing a flexible resin impregnated tubular article
FR2671756A1 (fr) * 1991-01-21 1992-07-24 Vieillard Paul Henri Procede pour la realisation d'une nappe de fibres resistantes enduites de resine, formant un materiau dont l'anisotropie peut etre controlee.
US6422958B1 (en) 1994-02-24 2002-07-23 David W. Repetto Frame for a game racquet formed by filament winding
US5575881A (en) * 1994-02-24 1996-11-19 Wilson Sporting Goods Co. Filament wound frame for a game racquet
US5575875A (en) * 1994-02-24 1996-11-19 Wilson Sporting Goods Co. Filament wound fiber reinforced thermoplastic frame for a game racquet
US5540877A (en) * 1994-02-24 1996-07-30 Wilson Sporting Goods Co. Method of making a continous fiber reinforced resin transfer molded frame for a game racquet
US8061991B2 (en) 2008-01-25 2011-11-22 Eurocopter Rotorcraft blade provided with a spar incorporating a fastener attachment, and a method of fabricating such a spar
FR2926785A1 (fr) * 2008-01-25 2009-07-31 Eurocopter France Pale de giravion munie d'un longeron integrant une attache de fixation,et procede de fabrication d'un tel longeron.
EP2082958A1 (fr) * 2008-01-25 2009-07-29 Eurocopter Pale de giravion munie d'un longeron intégrant une attache de fixation, et procédé de fabrication d'un tel longeron
US8591197B2 (en) 2008-01-25 2013-11-26 Eurocopter Method of fabricating a spar for a rotorcraft blade
CN102167156A (zh) * 2010-02-26 2011-08-31 尤洛考普特公司 自适应扭转的桨叶和设有此种桨叶的旋翼
CN102167156B (zh) * 2010-02-26 2016-06-08 空客直升机 自适应扭转的桨叶和设有此种桨叶的旋翼
EP2974854A1 (fr) 2014-07-18 2016-01-20 Airbus Helicopters Procede de fabrication d'un longeron d'une pale, et de fabrication d'une pale
EP2974851A1 (fr) 2014-07-18 2016-01-20 Airbus Helicopters Procédé de fabrication d'un longeron d'une pale, et une pale
US9932109B2 (en) 2014-07-18 2018-04-03 Airbus Helicopters Method of fabricating a spar for a blade, a method of fabricating a blade, and a blade
US9950478B2 (en) 2014-07-18 2018-04-24 Airbus Helicopters Method of fabricating a spar for a blade, and a method of fabricating a blade
US10647421B2 (en) 2014-07-18 2020-05-12 Airbus Helicopters Method of fabricating a spar for a blade, a method of fabricating a blade, and a blade

Also Published As

Publication number Publication date
FR2030036B1 (fr) 1974-02-01
DE1779433A1 (de) 1971-08-12
US3713753A (en) 1973-01-30
GB1262704A (en) 1972-02-02

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