DE69307855D1 - Faserverstärktes thermoplastisches Blatt, insbesondere eines eingelassenen Heckrotors und sein Herstellungsverfahren - Google Patents

Faserverstärktes thermoplastisches Blatt, insbesondere eines eingelassenen Heckrotors und sein Herstellungsverfahren

Info

Publication number
DE69307855D1
DE69307855D1 DE69307855T DE69307855T DE69307855D1 DE 69307855 D1 DE69307855 D1 DE 69307855D1 DE 69307855 T DE69307855 T DE 69307855T DE 69307855 T DE69307855 T DE 69307855T DE 69307855 D1 DE69307855 D1 DE 69307855D1
Authority
DE
Germany
Prior art keywords
fiber
manufacturing process
reinforced thermoplastic
thermoplastic sheet
tail 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.)
Expired - Lifetime
Application number
DE69307855T
Other languages
English (en)
Inventor
Rene Louis Coffy
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
Application granted granted Critical
Publication of DE69307855D1 publication Critical patent/DE69307855D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B15/00—Pretreatment of the material to be shaped, not covered by groups B29B7/00 - B29B13/00
    • B29B15/08—Pretreatment of the material to be shaped, not covered by groups B29B7/00 - B29B13/00 of reinforcements or fillers
    • 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
    • B29C70/06—Fibrous reinforcements only
    • B29C70/08—Fibrous reinforcements only comprising combinations of different forms of fibrous reinforcements incorporated in matrix material, forming one or more layers, and with or without non-reinforced layers
    • B29C70/083—Combinations of continuous fibres or fibrous profiled structures oriented in one direction and reinforcements forming a two dimensional structure, e.g. mats
    • 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
    • B29C70/345—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 using matched moulds
    • 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
    • B29C2791/00—Shaping characteristics in general
    • B29C2791/001—Shaping in several steps
    • 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
    • B29K2071/00—Use of polyethers, e.g. PEEK, i.e. polyether-etherketone or PEK, i.e. polyetherketone or derivatives thereof, as 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
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/06—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts
    • B29K2105/08—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts of continuous length, e.g. cords, rovings, mats, fabrics, strands or yarns
    • B29K2105/0809—Fabrics
    • B29K2105/0845—Woven fabrics
    • 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
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/06—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts
    • B29K2105/08—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts of continuous length, e.g. cords, rovings, mats, fabrics, strands or yarns
    • B29K2105/10—Cords, strands or rovings, e.g. oriented cords, strands or rovings
    • B29K2105/101—Oriented
    • B29K2105/108—Oriented arranged in parallel planes and crossing at substantial angles
    • 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
    • B29K2307/00—Use of elements other than metals as reinforcement
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49316—Impeller making
    • Y10T29/49336—Blade making
    • Y10T29/49337—Composite blade

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Laminated Bodies (AREA)
  • Moulding By Coating Moulds (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Reinforced Plastic Materials (AREA)
DE69307855T 1992-12-23 1993-12-20 Faserverstärktes thermoplastisches Blatt, insbesondere eines eingelassenen Heckrotors und sein Herstellungsverfahren Expired - Lifetime DE69307855D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9215607A FR2699498B1 (fr) 1992-12-23 1992-12-23 Pale en composite thermoplastique, notamment pour rotor arrière caréné d'hélicoptère, et son procédé de fabrication.

Publications (1)

Publication Number Publication Date
DE69307855D1 true DE69307855D1 (de) 1997-03-13

Family

ID=9437029

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69307855T Expired - Lifetime DE69307855D1 (de) 1992-12-23 1993-12-20 Faserverstärktes thermoplastisches Blatt, insbesondere eines eingelassenen Heckrotors und sein Herstellungsverfahren

Country Status (7)

Country Link
US (1) US5462408A (de)
EP (1) EP0604298B1 (de)
JP (1) JPH06219393A (de)
CA (1) CA2111889A1 (de)
DE (1) DE69307855D1 (de)
FR (1) FR2699498B1 (de)
RU (1) RU2111894C1 (de)

Families Citing this family (59)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5486096A (en) * 1994-06-30 1996-01-23 United Technologies Corporation Erosion resistant surface protection
GB9619890D0 (en) * 1996-09-24 1996-11-06 Rolls Royce Plc A method of making a fibre reinforced metal component
FR2756211B1 (fr) * 1996-11-26 1999-01-29 Eurocopter France Procede de fabrication d'un element composite flexible et torsible
FR2760681B1 (fr) * 1997-03-12 1999-05-14 Alternatives En Procede de fabrication d'une piece de grandes dimensions en materiau composite et pale d'helice, en particulier d'eolienne, fabriquee selon ce procede
WO2002081305A1 (en) * 2001-04-04 2002-10-17 R & M Technology, Llc Helicopter blade and method of manufacture
DE10235496B4 (de) * 2002-08-02 2015-07-30 General Electric Co. Verfahren zum Herstellen eines Rotorblattes, Rotorblatt und Windenergieanlage
AU2002951739A0 (en) * 2002-09-30 2002-10-17 Cochlear Limited Feedthrough with multiple conductive pathways extending therethrough
US7302999B2 (en) * 2002-11-22 2007-12-04 Spx Corporation Scraper blade and method for scraped-surface heat exchanger
FR2855811B1 (fr) * 2003-06-05 2005-08-05 Eurocopter France Pale de rotor a pas variable, pour rotors carenes, notamment d'helicopteres
WO2009065127A1 (en) 2007-11-16 2009-05-22 Cochlear Americas Electrode array and method of forming an electrode array
WO2005055363A1 (en) * 2003-12-08 2005-06-16 Cochlear Limited Cochlear implant assembly
US7237944B2 (en) * 2003-12-30 2007-07-03 Spx Corporation Scraped heat exchanger having blade with protective rest nub
FR2878227B1 (fr) 2004-11-23 2008-05-23 Eurocopter France Systeme de surveillance d'endommagement d'une pale de rotor d'aeronef a voilure tournante
FR2879496B1 (fr) * 2004-12-16 2008-12-12 Eurocopter France Procede et dispositif de fabrication d'une carene de rotor d'helicoptere, et carene obtenue
FR2918703B1 (fr) * 2007-07-13 2009-10-16 Snecma Sa Ensemble de rotor de turbomachine
US8672667B2 (en) * 2007-07-17 2014-03-18 Cochlear Limited Electrically insulative structure having holes for feedthroughs
FR2940173B1 (fr) * 2008-12-23 2013-02-08 Snecma Procede de fabrication d'une piece de forme par tissage 3d et piece de forme ainsi obtenue.
GB0913290D0 (en) * 2009-07-31 2009-09-02 Rolls Royce Plc Method of manufacture of aerfoil leading edge strip
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
IN2012DN01887A (de) * 2009-09-04 2015-07-24 Bayer Materialscience Llc
US20110123343A1 (en) * 2009-11-24 2011-05-26 Ronner David E Wind turbine blade and methods, apparatus and materials for fabrication in the field
US20110135485A1 (en) * 2009-12-30 2011-06-09 Jing Wang Spar for a wind turbine rotor blade and method for fabricating the same
US10137542B2 (en) 2010-01-14 2018-11-27 Senvion Gmbh Wind turbine rotor blade components and machine for making same
PT2524134E (pt) 2010-01-14 2014-08-01 Neptco Inc Componentes de pá de rotor de turbina eólica e seus processos de fabrico
FR2964411B1 (fr) * 2010-09-06 2012-08-24 Messier Dowty Sa Aube de turboreacteur, notamment une aube de redresseur, et turboreacteur recevant de telles aubes
FR2964427B1 (fr) * 2010-09-06 2014-05-09 Messier Dowty Sa Carter de turboreacteur et turboreacteur recevant de tels carters
WO2012142107A1 (en) 2011-04-12 2012-10-18 Ticona Llc Continious fiber reinforced thermoplastic rod and pultrusion method for its manufacture
US9190184B2 (en) 2011-04-12 2015-11-17 Ticona Llc Composite core for electrical transmission cables
BR112013025588A2 (pt) 2011-04-12 2016-12-27 Ticona Llc cabo umbilical para uso em aplicações submarinas
US8844873B2 (en) * 2011-09-23 2014-09-30 The Boeing Company Stabilizer torque box assembly and method
CN102501389B (zh) * 2011-11-15 2014-05-14 中国航空工业集团公司北京航空材料研究院 一种层间热滑移制备复合材料叠层结构的方法
PL2626298T3 (pl) * 2012-02-09 2015-03-31 Agustawestland Spa Łopata wirnika statku powietrznego i odpowiedni sposób jej wytwarzania
GB201204690D0 (en) * 2012-03-16 2012-05-02 Jaguar Cars Composite moulding techniques
US9745056B2 (en) 2013-05-14 2017-08-29 Sikorsky Aircraft Corporation Main rotor blade with composite integral skin and cuff
FR3015923B1 (fr) * 2013-12-31 2016-02-05 Plastic Omnium Cie Procede de moulage par compression a ensemble de butees
US9945389B2 (en) 2014-05-05 2018-04-17 Horton, Inc. Composite fan
FR3047724B1 (fr) 2016-02-17 2019-05-03 Rotomod Embarcation a dossier mobile et procede d'assemblage
EP3225542B1 (de) 2016-03-30 2018-05-09 AIRBUS HELICOPTERS DEUTSCHLAND GmbH Verfahren zur herstellung einer kontrollmanschette für ein rotorblatt eines scharnier- und lagerlosen rotors
FR3051708B1 (fr) 2016-05-25 2019-01-25 Airbus Helicopters Procede et pale thermoplastique
KR20180031392A (ko) * 2016-09-20 2018-03-28 다이텍연구원 탄소섬유토우 프리프레그 브레이딩 튜브 프레임의 제조방법
CN106672203B (zh) * 2016-12-14 2023-04-07 中航通飞研究院有限公司 一种混杂复合材料平板梁式结构及其加工方法
EP3406434A1 (de) 2017-05-22 2018-11-28 Ratier-Figeac SAS Verbundblatt und verfahren zur herstellung
EP3406424B1 (de) 2017-05-22 2021-04-28 Ratier-Figeac SAS Luftfahrzeuglaufschaufel und verfahren zur herstellung und reparatur einer luftfahrzeuglaufschaufel
US10773789B2 (en) * 2017-07-07 2020-09-15 The Boeing Company Skin-panel interface of an aircraft
CN107472513A (zh) * 2017-08-21 2017-12-15 滁州万际航空器产业研究院有限公司 一种用于无人直升机的空心桨叶及其制造方法
FR3078916A1 (fr) * 2018-03-16 2019-09-20 Francois Geli Profiles multipartites thermoplastiques renforces constitues par assemblage de profiles pultrudes cavitaires
EP3556544B1 (de) 2018-04-17 2021-07-28 Ratier-Figeac SAS Propellerblattholm
CN108945424B (zh) * 2018-06-29 2021-09-21 中国直升机设计研究所 一种旋翼桨叶根部构型
US11286036B2 (en) 2018-10-12 2022-03-29 Textron Innovations Inc. Ducted rotor blade tip extension
US11286037B2 (en) 2018-10-12 2022-03-29 Textron Innovations Inc. Ducted rotor blade tip extension
US11084228B2 (en) 2019-04-08 2021-08-10 Rohr, Inc. Methods of joining and repairing composite components
US11572162B2 (en) * 2019-05-29 2023-02-07 Lockheed Martin Corporation Securing assembly for a rotor blade
US11565799B2 (en) 2020-06-12 2023-01-31 Textron Innovations Inc. Adjustable ducted rotor blade tip extension
US11352891B2 (en) 2020-10-19 2022-06-07 Pratt & Whitney Canada Corp. Method for manufacturing a composite guide vane having a metallic leading edge
US12014712B2 (en) 2021-09-02 2024-06-18 Rohr, Inc. Corrugated acoustic stiffening devices and methods
US11993388B2 (en) 2021-09-02 2024-05-28 Rohr, Inc. Corrugated stiffening devices utilizing peaks and valleys and methods of manufacture
US11780179B2 (en) * 2021-09-02 2023-10-10 Rohr, Inc. Thermoplastic composite panel with corrugated peaks and troughs stiffening systems and methods
US12043000B2 (en) 2022-04-07 2024-07-23 Rohr, Inc. Joining thermoplastic components
US20240003329A1 (en) * 2022-07-01 2024-01-04 Rohr, Inc. Composite thermoplastic rotor blade with integral cuff

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1443155A (fr) * 1965-03-24 1966-06-24 Sud Aviation Perfectionnements apportés aux pales d'hélicoptère et à leurs procédés et appareillages de fabrication
FR1593008A (de) * 1968-07-11 1970-05-25
US4299538A (en) * 1978-12-06 1981-11-10 United Technologies Corporation Cross beam rotor
FR2542695B1 (fr) * 1983-03-18 1985-07-26 Aerospatiale Helice multipale a pas variable a pale s en materiaux composites demontables individuellement, procede de fabrication de telles pales et pales ainsi realisees
FR2616409B1 (fr) * 1987-06-09 1989-09-15 Aerospatiale Pale en materiaux composites et son procede de fabrication
FR2646631B1 (fr) * 1989-05-03 1991-11-29 Dassault Avions Procede et appareillage pour le formage de materiaux thermoplastiques fournis sous forme de feuilles minces, en particulier de materiaux composites
US5074753A (en) * 1989-10-16 1991-12-24 Bell Helicopter Textron Inc. Rotor blade
US5042968A (en) * 1989-11-02 1991-08-27 United Technologies Corporation Propeller blade subassembly and method for making a propeller blade subassembly
US5378109A (en) * 1990-09-28 1995-01-03 The Boeing Company Co-cured composite fan blade and method
US5375324A (en) * 1993-07-12 1994-12-27 Flowind Corporation Vertical axis wind turbine with pultruded blades

Also Published As

Publication number Publication date
RU2111894C1 (ru) 1998-05-27
FR2699498B1 (fr) 1995-03-10
CA2111889A1 (en) 1994-06-24
JPH06219393A (ja) 1994-08-09
US5462408A (en) 1995-10-31
EP0604298A1 (de) 1994-06-29
EP0604298B1 (de) 1997-01-29
FR2699498A1 (fr) 1994-06-24

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8332 No legal effect for de