WO2012171617A1 - Fabrication d'une coque de pale de rotor - Google Patents

Fabrication d'une coque de pale de rotor Download PDF

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Publication number
WO2012171617A1
WO2012171617A1 PCT/EP2012/002326 EP2012002326W WO2012171617A1 WO 2012171617 A1 WO2012171617 A1 WO 2012171617A1 EP 2012002326 W EP2012002326 W EP 2012002326W WO 2012171617 A1 WO2012171617 A1 WO 2012171617A1
Authority
WO
WIPO (PCT)
Prior art keywords
rotor blade
blade shell
fiber material
stiffening element
support body
Prior art date
Application number
PCT/EP2012/002326
Other languages
German (de)
English (en)
Inventor
Urs Bendel
Original Assignee
Repower Systems Se
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 Repower Systems Se filed Critical Repower Systems Se
Priority to EP12727299.5A priority Critical patent/EP2721289A1/fr
Publication of WO2012171617A1 publication Critical patent/WO2012171617A1/fr

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D1/00—Wind motors with rotation axis substantially parallel to the air flow entering the rotor 
    • F03D1/06—Rotors
    • F03D1/065—Rotors characterised by their construction elements
    • F03D1/0675—Rotors characterised by their construction elements of the blades
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2230/00—Manufacture
    • F05B2230/60—Assembly methods
    • F05B2230/604—Assembly methods using positioning or alignment devices for aligning or centering, e.g. pins
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2240/00—Components
    • F05B2240/20—Rotors
    • F05B2240/30—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2240/00—Components
    • F05B2240/20—Rotors
    • F05B2240/30—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor
    • F05B2240/301—Cross-section characteristics
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2280/00—Materials; Properties thereof
    • F05B2280/20—Inorganic materials, e.g. non-metallic materials
    • F05B2280/2003—Silicon
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2280/00—Materials; Properties thereof
    • F05B2280/40—Organic materials
    • F05B2280/4002—Cellulosic materials, e.g. wood
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2280/00—Materials; Properties thereof
    • F05B2280/60—Properties or characteristics given to material by treatment or manufacturing
    • F05B2280/6003—Composites; e.g. fibre-reinforced
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2280/00—Materials; Properties thereof
    • F05B2280/60—Properties or characteristics given to material by treatment or manufacturing
    • F05B2280/6012—Foam
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2280/00—Materials; Properties thereof
    • F05B2280/60—Properties or characteristics given to material by treatment or manufacturing
    • F05B2280/6013—Fibres
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2280/00—Materials; Properties thereof
    • F05B2280/60—Properties or characteristics given to material by treatment or manufacturing
    • F05B2280/6015—Resin
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/72—Wind turbines with rotation axis in wind direction
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product

Definitions

  • the invention relates to a method for manufacturing a rotor blade shell for a rotor blade of a wind power plant, wherein an additional surface reinforcement element for increasing the surface rigidity of the rotor blade shell is integrated into the rotor blade shell.
  • the invention further relates to a rotor blade shell for a rotor blade of a wind energy plant, a rotor blade for a wind energy plant and a wind energy plant.
  • Typical rotor blades consist of at least two rotor blade shells, which dictate the outer shape and thus the essential aerodynamic properties of the rotor blade.
  • Leaf shells are usually reinforced in the region of the largest profile thickness of the rotor blade by so-called straps and connected to each other in the area of the straps by main webs.
  • the straps and the main webs form the essential supporting structure of the rotor blade, while the rotor blade shells are otherwise relatively light and thin.
  • stringers are used to increase the buckling and surface stiffness in this region of the rotor blade shells, which are glued into the rotor blade shells, for example in the form of strips or profile carriers.
  • the stringers sometimes have considerable dimensions and require correspondingly complex mounting devices.
  • rotor blade shells in layered construction or sandwich construction.
  • Such rotor blade shells usually comprise two laminate layers of fiber composite materials, between which a shaping filling layer, the so-called sandwich core, is arranged.
  • a stiffening of the rotor blade shell is realized by local thickening of the sandwich core, but to avoid sudden changes in thickness and a corresponding amount of material must be used.
  • the object of the present invention is to simplify the production of a surface-stiffened rotor blade shell and to provide a corresponding rotor blade shell.
  • the object is achieved by a method for manufacturing a rotor blade shell for a rotor blade of a wind energy plant, wherein a surface stiffening element for increasing the surface rigidity of the rotor blade shell is integrated into the rotor blade shell, with the following method steps:
  • Hardening of the matrix material wherein the fiber material for the rotor blade shell and the carrier body for the surface reinforcing element are at least partially embedded in a common carrier matrix of cured matrix material and / or wherein after hardening of the matrix material, the fiber material for the rotor blade shell and the fiber material for the surface reinforcing element at least partially in a common carrier matrix of hardened matrix are embedded.
  • the surface stiffening element is integrated directly in the manufacture of the rotor blade shell. Compared to a subsequent attachment or gluing a surface stiffening element thereby eliminates a complete step, which in particular the process time is shortened and a setting device for holding, positioning and pressing a prefabricated surface stiffening element can be saved.
  • the surface stiffening element comprises a carrier body and / or fiber material which is wetted with matrix material and forms a stiff fiber composite after hardening of the matrix material.
  • the carrier body comprises, for example, wood and / or a fiber composite material.
  • the invention expressly also includes embodiments in which a prefabricated carrier body and fiber material for the surface reinforcing element are used together.
  • the invention thus provides in particular that the surface stiffening element itself has a certain rigidity, in particular bending stiffness.
  • the surface stiffness, which in the context of the invention is in particular a buckling stiffness, of the rotor blade shell as a whole is increased by forces acting on the rotor blade shell being absorbed by the surface reinforcing element and distributed over a large area of the rotor blade shell.
  • the carrier body and / or the fiber material for the surface stiffening element are held in position according to the invention in the manufacturing mold by means of an additional support body.
  • the support body is not part of the manufacturing form.
  • fibrous material is understood in particular to mean glass fibers, carbon fibers or synthetic fibers in the form of semi-finished products, loops, woven fabrics or continuous fibers or rovings.
  • fiber material and other material for the rotor blade shell for example, one or more prefabricated straps or fillers we cork or rigid foam for a sandwich core can be used. The same applies to the surface stiffening element.
  • matrix material is understood as meaning, in particular, resin, synthetic resin or casting resin, in particular with an associated hardener.
  • the matrix material is used in a flowable state, by which, in particular, the state before full curing is designated, and introduced into the production mold.
  • it is provided in particular to saturate the fiber material designed in the form of production with matrix material or to design fiber material impregnated with matrix material, so-called prepregs, in the production form.
  • the carrier body and / or the fiber material for the surface stiffening element is arranged on an inner side of the rotor blade shell facing away from the outer side.
  • all fiber material and other material for the rotor blade shell is initially introduced or designed in an open manufacturing mold, as if the rotor blade shell is to be manufactured without an additional surface reinforcement element.
  • the material for the surface stiffening element is introduced into the manufacturing mold and formed by means of the support body and / or positioned.
  • the carrier body and / or the fiber material for the surface stiffening element are preferably arranged in the rear half, in particular in the rear quarter, of a rotor blade profile predetermined by the rotor blade shell. This is particularly advantageous for profiles with low thickness backing, in which the supporting structure of straps and main webs is arranged relatively far forward and result in correspondingly large, relatively unstable surfaces of the rotor blade shells between the supporting structure and the trailing edge.
  • a rotor blade and, correspondingly, the rotor blade shells have a longitudinal extension from the blade root, ie the region of the rotor blade close to the hub, to the blade tip, ie the region of the rotor blade remote from the hub.
  • the rotor blade has at least in sections an aerodynamic profile determined by the rotor blade shells, which optionally varies along the longitudinal extension of the rotor blade.
  • the profile is intended to flow around from front to back, ie the profile nose is at the front and the profile trailing edge is at the back.
  • the profile chord is the imaginary straight line between profile nose and profile trailing edge, the length of the chord is the tread depth. Positions and areas along the profile are given as points or sections of the chord in units of tread depth starting from the profile nose.
  • the position of the th thickness of the profile is referred to as a thickness backing.
  • the flowable matrix material is introduced into the production mold using a vacuum infusion method.
  • the manufacturing form is sealed airtight, for example, by the designed or introduced into the manufacturing form materials covered with a vacuum film and the vacuum film is sealed airtight to the manufacturing form.
  • the sealed mold is evacuated, in particular, the air is sucked in the sealed manufacturing mold, whereby a negative pressure in the manufacturing mold is generated.
  • the manufacturing mold is connected to a supply of flowable matrix material or resin, so that the matrix material is distributed under the influence of the negative pressure in the mold and impregnates the fiber material located in the mold.
  • the support body is advantageously substantially wedge-shaped with a first side, a second side and an upper side, wherein, when the support body is used as intended in the manufacturing mold, the first side of the rotor blade shell and the second side face the surface stiffening element. This makes it possible, in particular, for the support body to be stable on the first side and to support the surface stiffening element or the material for the surface stiffening element with the second side.
  • the support body is formed in a substantially double-wedge shape with an upper side and a first side facing the rotor blade shell, wherein a recess is provided on the first side for the surface reinforcement element and a second, the surface reinforcement element zugege. turned side is an inside of the recess.
  • An angle in the region of the edge between the first side and the upper side of the support body is preferably an acute angle, in particular an angle of less than 45 °.
  • the support body in particular the first side of the support body, at least partially complementary in shape to an outer side facing away from the inside of the rotor blade shell. Furthermore, it is preferably provided that the support body, in particular the second side of the support body, at least partially formed complementary to the shape of the surface stiffening element.
  • the support body is preferably removed from the finished rotor blade shell, wherein the support body is in particular reusable. In this way, unnecessary weight is avoided on the rotor blade shell. At the same time, the burden of deploying material by reuse of the support body.
  • a particularly suitable support body comprises silicone or is in particular made of silicone.
  • Such support bodies are in particular substantially dimensionally stable and yet have a soft, adaptable surface.
  • silicone is easy to process, for example by casting or spraying.
  • At least two support bodies are provided for the surface reinforcing element, wherein, in particular, the two support bodies are arranged on opposite sides of the surface reinforcing element.
  • a particularly advantageous embodiment of the invention provides that the surface stiffening element is designed as a web, wherein the web is formed on one side facing away from the rotor blade shell with another rotor blade shell connectable. This not only increases the surface stiffness of the rotor blade shell, but also stabilizes the profile of the entire rotor blade.
  • the web in the rear region of the profile for example, at more than 75% of the tread depth, arranged.
  • the rotor blade shells are typically connected to each other in the region of the profile trailing edge, so that the web is preferably arranged at less than 95% of the rotor blade depth.
  • the object is also achieved by a rotor blade shell for a rotor blade of a wind energy plant, obtainable by an invented according to the method.
  • the object is also achieved by a rotor blade for a wind energy plant with a rotor blade shell according to the invention and by a wind energy plant with a rotor blade according to the invention.
  • Fig. 3 shows schematically the inventive production of a rotor blade shell with integrated web
  • FIG. 4 schematically shows the production according to the invention of a rotor blade shell with an integrated stringer.
  • FIG. 1 shows a typical wind energy plant 1 with three rotor blades 2.
  • the cross section of one of the rotor blades 2 along the line A-A is shown in FIG.
  • the supporting structure of the exemplary rotor blade 2 comprises two straps 4, 4 ', between which two webs 5, 5' are glued. In this way, a stable box structure, which forms the supporting backbone of the rotor blade 2.
  • the aerodynamic properties of the rotor blade 2 are determined by the rotor blade shells 3, 3 'connected to the supporting structure of straps 4, 4' and webs 5, 5 ', e.g. glued, are.
  • the rotor blade shells 3, 3 ', the upper shell 3' on the suction side and the lower shell 3 on the pressure side of the rotor blade 2 are provided.
  • longitudinal struts 6, 6' so-called stringers. These longitudinal struts distribute forces acting on the rotor blade shells 3, 3 'and thus effectively prevent buckling of the rotor blade shells 3, 3'.
  • a web 7 is provided in the rear region of the rotor blade profile between the rotor blade shells 3, 3 ', which stabilizes the rotor blade profile in the region of the aerodynamically particularly important profile trailing edge.
  • FIG. 3 shows schematically how a rotor according to the invention Torblattschale 3, 3 'is made with an integrated, designed as a web 7 surface stiffening element. Shown is a section of a manufacturing mold 10 in the rear region of the rotor blade shell 3, 3 'or of the rotor blade profile predetermined by the rotor blade shell 3, 3'. The illustration is a sectional view in a plane transverse to the longitudinal extent of the rotor blade shell 3, 3 'to be manufactured.
  • laminate material 12 is designed for the rotor blade shell 3, 3 '.
  • These are, for example, fiber material and filling material for a multilayer sandwich laminate comprising an outer laminate layer, a sandwich core, for example made of cork, and an inner laminate layer.
  • a C-shaped, prefabricated profile body 18 is arranged on the material 12 for the sandwich laminate and extends substantially in the longitudinal direction of the rotor blade shell 3, 3 'to be manufactured.
  • the prefabricated profile body 18 is positioned and supported by means of two support bodies 16, 16 '.
  • fibrous material for example in the form of sewn fiber scrims made of glass fibers, which are shaped and held in shape by means of the support bodies.
  • the support bodies 16, 16 ' are formed on their profile body 18 facing side 162, 162' in each case complementary to the profile body 18.
  • the lower surfaces 161, 161 'of the support body 16, 16' are each complementary in shape to the rotor blade shell 3, 3 'is formed. This results in controllable cavities between the support members 16, 16 'and the laminate material 12 and between the support members 16, 16' and the profile body 18, which are then filled with resin.
  • the manufacturing mold 10 with the laminate materials 12, the profile carriers 18 and the support bodies 16, 16 ' is covered with a vacuum film 14.
  • the vacuum film 14 is fastened to the mold 10 by means of a seal 15 so that the interior of the mold 10 can be evacuated to supply flowable resin or matrix material in a vacuum infusion process.
  • suction and resin flows are provided, which are distributed over the surface of the mold 10 and / or the vacuum film 14 suitable.
  • an extraction nozzle in the vacuum film 14 in the region of the profile body 18 is advantageous, because in this way the flow of the resin across the surface of the rotor blade shell 3, 3 'is supported. This is particularly advantageous if, instead of the carrier body 18, fiber material is used for the web 7.
  • Exhaust nozzles are preferably equipped with a resin barrier, for example in the form of a semipermeable membrane. This prevents the resin from being sucked out of the mold again.
  • a resin barrier for example in the form of a semipermeable membrane. This prevents the resin from being sucked out of the mold again.
  • the support body 16, 16 ' are formed as a silicone casting. Thus, they are sufficiently dimensionally stable in order to support the profile body 18 even under negative pressure in the production mold 10 and have the same timely a flexible, conformable surface to compensate for small irregularities in the surface of the laminate material 12 and / or the profile body 18.
  • FIG. Another embodiment of the invention is shown schematically in FIG. Again, a section of a manufacturing mold 10 for a rotor blade shell 3, 3 'is shown in the laminate material 12 for the rotor blade shell 3, 3' is arranged.
  • the laminate material 12 consists of resin-impregnated fiber mats, so-called prepregs, which are laid out in the mold 10 and remain there until the resin has hardened.
  • a stiffening rib or Stringer 6, 6' is integrated in the rotor blade shell 3, 3 '.
  • a shaped body 20 is provided, which is covered with one or more layers of prepreg fibers 22.
  • the molded body is formed, for example, from hard foam or PVC foam and therefore hardly contributes to the surface stiffening of the rotor blade shell 3, 3 'at.
  • a molded body 20 can be used with a certain inherent rigidity, whereby the stiffening effect of the stringer 6, 6 'for the rotor blade shell 3, 3 'is still increased.
  • the essential function of the shaped body 20 in the present example is to specify the shape of the final stringer 6, 6 ', which is essential for the stiffening effect.
  • the illustrated triangular shape is to be understood as an example.
  • embodiments according to the invention without shaped bodies 20 are also conceivable, the shaping taking place, for example, exclusively by one or more supporting bodies 16, 16 ', 24.
  • the example shown in FIG. 4 comprises a support body 24 with a recess which is complementary in shape to the rotor blade shell 3, 3 on the underside 241 and complementary to the stringer 6, 6 'on an inner side 242 of the recess.
  • the support body 24 covers the fiber material 22 for the stringer and thus ensures that the outer shape of the stringer 6, 6 'is predetermined until the prepregs cure.

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Wind Motors (AREA)
  • Moulding By Coating Moulds (AREA)

Abstract

L'invention concerne un procédé de fabrication d'une coque de pale de rotor (3, 3') pour une pale de rotor (2) d'une éolienne (1), selon lequel un élément de renforcement de surface (6, 6', 7) destiné à augmenter la rigidité de la coque de pale de rotor (3, 3') est intégré dans cette dernière, un corps de soutien (16, 16', 24) destiné au positionnement d'un corps de support (18) et/ou d'un matériau fibreux (22) pour l'élément de renforcement de surface (6, 6', 7) étant prévu dans le moule de fabrication (10) de la coque de pale de rotor (3, 3'). L'invention concerne par ailleurs une coque de pale de rotor (3, 3') pour une pale de rotor (2) d'une éolienne (1), une pale de rotor (2) pour une éolienne (1) et une éolienne (1).
PCT/EP2012/002326 2011-06-16 2012-06-01 Fabrication d'une coque de pale de rotor WO2012171617A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP12727299.5A EP2721289A1 (fr) 2011-06-16 2012-06-01 Fabrication d'une coque de pale de rotor

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011077609.5 2011-06-16
DE102011077609.5A DE102011077609B4 (de) 2011-06-16 2011-06-16 Fertigung einer Rotorblattschale

Publications (1)

Publication Number Publication Date
WO2012171617A1 true WO2012171617A1 (fr) 2012-12-20

Family

ID=46275768

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2012/002326 WO2012171617A1 (fr) 2011-06-16 2012-06-01 Fabrication d'une coque de pale de rotor

Country Status (3)

Country Link
EP (1) EP2721289A1 (fr)
DE (1) DE102011077609B4 (fr)
WO (1) WO2012171617A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3034405B1 (fr) 2015-03-30 2017-04-07 Lourd'innov Sachet pour le transfert et l'emballage de composants d'une enceinte confinee
DE102016011757A1 (de) * 2016-09-22 2018-03-22 Senvion Gmbh Rotorblatt mit Abschlusssteg

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080219851A1 (en) * 2007-03-09 2008-09-11 General Electric Company Integrated shear webs for wind turbine blades
WO2009112321A1 (fr) * 2008-03-12 2009-09-17 Airbus Operations Gmbh Procédé de fabrication d'une pièce composite intégrale renforcée par des fibres
EP2106900A1 (fr) * 2008-04-03 2009-10-07 Siemens Aktiengesellschaft Moule et procédé pour moulage de transfert de résine assisté sous vide
WO2010048370A1 (fr) * 2008-10-22 2010-04-29 Vec Industries, L.L.C. Aube d'éolienne et son procédé de fabrication
EP2317127A2 (fr) * 2009-10-30 2011-05-04 General Electric Company Pales d'éolienne

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3014347C2 (de) * 1980-04-15 1983-05-26 Messerschmitt-Bölkow-Blohm GmbH, 8000 München Verfahren zur Herstellung von schaumkerngestützen, faserverstärkten Kunststoff-Formkörpern wie Flügel, Rotorblätter etc. großer Längen-und Breitenausdehnung
DE102009031947A1 (de) * 2009-07-07 2011-01-13 Nordex Energy Gmbh Rotorblatt für eine Windenergieanlage und Verfahren zu dessen Herstellung

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080219851A1 (en) * 2007-03-09 2008-09-11 General Electric Company Integrated shear webs for wind turbine blades
WO2009112321A1 (fr) * 2008-03-12 2009-09-17 Airbus Operations Gmbh Procédé de fabrication d'une pièce composite intégrale renforcée par des fibres
EP2106900A1 (fr) * 2008-04-03 2009-10-07 Siemens Aktiengesellschaft Moule et procédé pour moulage de transfert de résine assisté sous vide
WO2010048370A1 (fr) * 2008-10-22 2010-04-29 Vec Industries, L.L.C. Aube d'éolienne et son procédé de fabrication
EP2317127A2 (fr) * 2009-10-30 2011-05-04 General Electric Company Pales d'éolienne

Also Published As

Publication number Publication date
DE102011077609A1 (de) 2012-12-20
DE102011077609B4 (de) 2015-01-22
EP2721289A1 (fr) 2014-04-23

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