The present invention relates to sheet winding assembly for loading a plurality of cut sheet parts onto one or more receiving bobbins, for subsequent layup of these sheet parts in a wind turbine blade mould. The sheet wind assembly comprises a first magazine (66) holding a plurality of supply bobbins (68), and a second magazine (74) holding one or more receiving bobbins (78). A cutting device (72) configured to cut the sheet of material unwound from one or more of the supply bobbins (68) to form cut sheet parts (76). A conveying assembly (80) is configured for successively conveying the cut sheet parts along a path extending from the first magazine (66) to the second magazine (74), and an edge engagement device (82) is configured to engage an edge (71) of the sheet or of the cut sheet part and to pull said edge towards the second magazine (74) such that an overlap (84) is provided between successive sheet parts.
The present disclosure relates to methods for machining, e.g. grinding a root portion of a wind turbine blade, which comprises attaching a machining device at or near a root of the wind turbine blade, with the wind turbine blade being arranged on one or more movable supports. The method further comprises moving the movable supports to transport the wind turbine blade and operating the machining device to machine a root portion of the wind turbine blade while transporting the wind turbine blade. The present disclosure further relates to machining devices suitable for such methods.
B24B 19/14 - Single purpose machines or devices for particular grinding operations not covered by any other main group for grinding turbine blades, propeller blades or the like
The present disclosure relates to blades (10) for wind turbines (2), to wind turbines (2) and to methods (100) for manufacturing wind turbine blades (10). A wind turbine blade (10) comprises a spar cap (74, 76), one or more electrically insulating polymer layers (81) between the spar cap (74, 76) and an outer surface of the blade (10), and an air termination system (82, 83) arranged at the outer surface of the wind turbine blade (10).
In a first aspect, a suspended platform system for post-moulding operations on a wind turbine blade is provided. The system comprises a suspended working platform to hold a user, a driving system for moving the working platform, and a control unit to prevent a distance between the working platform and a surface of the wind turbine blade from being less than a safety distance threshold. In a further aspect, a method is provided. In yet a further aspect, a wind turbine blade post-moulding operation system is provided.
There is described a method of repairing a joint connection of a wind turbine blade root. The method comprises identifying a repair site at the joint connection, cutting a groove through a laminate of the wind turbine blade and into the joint connection at the repair site and inserting an insert into the groove, whereby the insert contacts the laminate and the joint connection.
The present disclosure relates to a wind turbine blade (10). The blade (10) comprises a lightning protection system, which comprises an air termination system. The blade (10) comprises a spar cap (74; 76) extending along an upwind or a downwind shell part, the spar cap (74; 76) comprising a first surface facing an outside of the blade (10) and an opposing second surface. The blade (10) comprises a first electrically conductive layer (61), extending in the longitudinal direction and arranged over the first surface of the spar cap (74; 76), and a second electrically conductive layer (62), extending in the longitudinal direction of the blade (10) and arranged over the second surface of the spar cap (74; 76). The first layer (61), the second layer (62) and the air termination system are electrically connected. The present disclosure further comprises a method (100) for manufacturing a blade (10).
There is provided a wind turbine blade shell component. The wind turbine blade shell component comprises an outer layer and an inner layer beneath the outer layer. The outer layer covers the wind turbine blade shell component. The inner layer comprises a first material having a first property and a second material having a second property. The first property is different from the second property. The inner layer is readable by an image capturing device to determine erosion of the outer layer.
The present invention relates to a blade handling assembly (62) for moving a wind turbine blade (10) between two locations. The blade handling assembly (62) includes at least one blade handling unit (64) comprising a motorized trolley (66) and an interface structure (68) releasably coupled to the motorized trolley (66). The interface structure (68) includes a support member (70) and a receiving member (72), wherein a fixture (74) is arranged on the receiving member (72), the fixture (74) being configured for attachment to the wind turbine blade.
The present disclosure relates to methods for manufacturing a wind turbine blade. The methods comprise providing a first blade mold (100) in a first workstation (51), and providing a set of hinge devices (300) in the first workstation (51), the hinge devices (300) comprising a static member (302) and a movable member (301). Furthermore, the method comprises coupling a first tool (200) to the movable members (301) of the hinge devices (300) and rotating the movable members (301) with respect to the static members (302) to carry out one or more first operations with the first tool (200). The method also comprises coupling a second tool (400) to the movable members (301) of the hinge devices (300) and rotating the movable members (301) with respect to the static members (302) to carry out one or more second operations with the second tool (400). The present disclosure further comprises a system for use during manufacturing of a wind turbine blade (10).
B25J 15/06 - Gripping heads with vacuum or magnetic holding means
B25J 9/02 - Programme-controlled manipulators characterised by movement of the arms, e.g. cartesian co-ordinate type
B29C 31/08 - Feeding, e.g. into a mould cavity of preforms
B29C 37/00 - Component parts, details, accessories or auxiliary operations, not covered by group or
B29C 33/26 - Opening, closing or clamping by pivotal movement
B29C 65/78 - Means for handling the parts to be joined, e.g. for making containers or hollow articles
B29C 70/54 - Component parts, details or accessoriesAuxiliary operations
B64F 5/10 - Manufacturing or assembling aircraft, e.g. jigs therefor
B29D 99/00 - Subject matter not provided for in other groups of this subclass
B23P 19/04 - Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformationTools or devices therefor so far as not provided for in other classes for assembling or disassembling parts
B23P 21/00 - Machines for assembling a multiplicity of different parts to compose units, with or without preceding or subsequent working of such parts, e.g. with programme control
10.
SYSTEM AND METHOD FOR DEMOLDING WIND TURBINE BLADES DURING BLADE MANUFACTURING
The present disclosure relates to systems for demolding a wind turbine blade (10). The system comprises a demolding tool (550) comprising one or more grippers (551) configured to grip the wind turbine blade (10), the wind turbine blade (10) being held in a blade mold (100). The system further comprises one or more hinge devices (300) comprising a static member (302) and a movable member (301), the movable member (301) being configured to be connected to the demolding tool (550) and being further configured to rotate with respect to the static member (302) about a pivot axis (304). The present disclosure further comprises a method (900) for demolding a wind turbine blade (10).
The present disclosure relates to systems for attaching a shear web (42) to a first wind turbine blade shell, the first blade shell being held in a blade mold (100). The system comprises a shear web positioning tool (250) configured to hold one or more shear webs (42) and a set of hinge devices (300), each comprising a static member (302) and a movable member (301), wherein the movable member (301) is rotatable about a pivot axis (304) of the static member (302). The system further comprises that the shear web positioning tool (250) is configured to be connected to the movable members (301) of the hinge devices (300). The present disclosure further comprises a method (700) for manipulating parts during blade manufacturing.
A method of manufacturing a wind turbine blade (10) is provided, the method comprising a reinforcing structure, the wind turbine having a profiled contour including a pressure side (36) and a suction side (38), and a leading edge (18) and a trailing edge (20) with a chord having a chord length extending therebetween, the wind turbine blade (10) extending in a spanwise direction between a root end (16) and a tip end (14), the method comprising the steps of: providing a blade shell mould (44), arranging a plurality of blade shell components (41-57) in the blade shell mould (44), assembling of the reinforcing structure (62) in the blade shell mould (44), the reinforcing structure (62) comprising a plurality of strips (63) of fibre material arranged into adjacent stacks (65) of strips, wherein the step of assembling of the reinforcing structure in the blade shell mould comprises pre-assembling a plurality of building blocks (65), each building block comprising a plurality of the strips (63) of fibre material formed into a stack, and at least one interlayer (70) disposed in between neighbouring strips in the stack. A method of manufacturing a reinforcing structure, a reinforcing structure, a wind turbine blade and a modular system for manufacturing a reinforcing structure for a wind turbine blade are also provided. Improved aerodynamic performance of the wind turbine blade is achieved.
B29C 70/48 - Shaping or impregnating by compression for producing articles of definite length, i.e. discrete articles using matched moulds, e.g. for deforming sheet moulding compounds [SMC] or prepregs and impregnating the reinforcements in the closed mould, e.g. resin transfer moulding [RTM]
B29C 70/52 - Pultrusion, i.e. forming and compressing by continuously pulling through a die
B29C 70/86 - Incorporating in coherent impregnated reinforcing layers
B29D 99/00 - Subject matter not provided for in other groups of this subclass
13.
MANUFACTURING A PRE-BENT WIND TURBINE BLADE WITH A PRE-CURED SPAR CAP
A method of manufacturing a pre-bent wind turbine blade (10, 82) with the steps of providing a shell mould (70, 71) and a spar cap mould (50, 51). The shell mould defines at least part of an airfoil shape in the chordwise direction (18) and defines a first pre-bend shape along a longitudinal direction (17). The spar cap mould defines at least part of substantially the same airfoil shape in the chordwise direction as the shell mould, and a second shape in the longitudinal direction. The second shape exhibits less pre-bend compared to the first pre-bend shape. Then, a first fibre material (67, 70) is arranged, infused, and cured in the spar cap mould. The cured spar cap (60, 61) is moved to a shell mould, and deformed from the second shape along the longitudinal direction to substantially the first pre-bend shape of the shell mould under the influence of gravity.
In a first aspect, an air-removing valve for removing air from inside a resin feed channel is provided. The air-removing valve comprises an inlet flow to be in fluid communication with the resin feed channel through the aperture; an outlet flow to be coupled to an under-pressure generating source for drawing air from the air-removing valve, a chamber extending from the inlet flow to the outlet flow; and a membrane arranged in the chamber, wherein the membrane is to allow air to pass through and to stop resin from passing through. In a further aspect, a resin infusion feed channel assembly for feeding resin for manufacturing a wind turbine blade component is provided. The resin infusion feed channel comprises a resin feed channel and an air-removing valve according to any of the examples herein. In yet a further aspect, a method for manufacturing a wind turbine blade component is provided.
B29C 33/10 - Moulds or coresDetails thereof or accessories therefor with incorporated venting means
B29C 70/44 - Shaping or impregnating by compression 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
B29C 70/54 - Component parts, details or accessoriesAuxiliary operations
B29L 31/08 - Blades for rotors, stators, fans, turbines or the like, e.g. screw propellers
B29D 99/00 - Subject matter not provided for in other groups of this subclass
15.
A WIND TURBINE BLADE WITH AN AERODYNAMIC COMPONENT
A method for attaching an aerodynamic component to a wind turbine blade body during the manufacturing process. Firstly, a spacer element is attached to either the aerodynamic component or the wind turbine blade body. The aerodynamic component is then arranged at the portion of the blade body, and the first edge of the aerodynamic component is adjusted into a mounting position to minimize the step size between the aerodynamic component and the blade body. The aerodynamic component is temporarily fixed using the spacer element, creating a compartment between the aerodynamic component and the blade body. A first adhesive is injected into this compartment through injection ports in the aerodynamic component, with the spacer element acting as a barrier to prevent the adhesive from leaking out. Finally, the adhesive is allowed to cure, permanently fixing the aerodynamic component in place.
The present disclosure relates to a segmented wind turbine blade comprising a first blade shell segment joined with a second blade shell segment via attachment means. A fairing element is provided that comprises fibre-reinforced composite material and a metal element attached to the fibre-reinforced composite material. The fairing element is fastened to the first and second shell segments using fasteners. The fairing element covers the attachment means at least partly and forms part of an aerodynamic profile of the wind turbine blade. The metal element of the fairing element is configured such that the metal element of the fairing element provides electrical contact between a first metal element in the first shell segment and a second metal element in the second shell segment. A composite fairing element and a method for manufacturing a segmented wind turbine blade are also provided.
The present disclosure relates to a computer-implemented method (100) for controlling a manufacturing method of a wind turbine blade. The method comprises receiving first data (102) related to one or more first operations carried out in a first workstation obtained by one or more first sensors arranged with the first workstation; receiving second data (104) related to one or more second operations carried out in a second workstation obtained by one or more second sensors arranged with the second workstation; analyzing the first and second data (106) to determine a quality and/or a cycle time of one or more of the first and second operations; and determining (108) a deviation in the quality and/or cycle time of the one or more of the first and second operations.
G05B 19/418 - Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
18.
MOVABLE PLATFORM AND METHOD FOR HANDLING A MOVABLE PLATFORM FOR THE MANUFACTURING OF WIND TURBINE BLADES
The present disclosure relates to a system for use in the manufacture of a wind turbine rotor blade (10). The system comprises a support element (82) for supporting a wind turbine rotor blade part. The system further comprises a movable scaffold (70) and a working platform (60) on top of the movable scaffold (70). The movable scaffold (70) is configured to move from a first position to a working position, wherein the working position is closer to the support element or to the wind turbine rotor blade part than the first position and is suitable for carrying out a blade manufacturing step. The system further comprises that the movable scaffold (70) and/or the support element comprise a retention system for retaining the movable scaffold (70) in the working position. The present disclosure further comprises a method for manufacturing a wind turbine rotor blade.
B29C 33/12 - Moulds or coresDetails thereof or accessories therefor with incorporated means for positioning inserts, e.g. labels
B29C 31/00 - Handling, e.g. feeding of the material to be shaped
B29C 33/16 - Moulds or coresDetails thereof or accessories therefor with incorporated means for positioning inserts, e.g. labels against the mould wall using magnetic means
B29C 33/26 - Opening, closing or clamping by pivotal movement
The present invention relates to a method and mold assembly for manufacturing a wind turbine blade part (52, 54). A plurality of preforms (98a-c) comprising a fiber material and a binding agent is arranged in a blade mold (96), followed by resin infusion and curing or hardening the resin in order to form the blade part. Arranging the plurality of preforms (98a-c) in the blade mold cavity (97) comprises placing a first preform (98a) into the blade mold cavity (97), preferably from the root end (65) of the blade mold (96), such that the first preform (98a) extends along the longitudinal direction of the blade mold (96), and such that the first preform (98a) is arranged at the longitudinal central axis (69) of the mold cavity (97). Subsequently, a second preform (98b) is placed into the blade mold cavity (97) from the first lateral edge (67) of the blade mold (96) such that the second preform (98b) slides within the mold cavity (97) until the second preform (98b) abuts the first preform (98a) along a first longitudinally extending interface (70). A third preform (98c) is placed into the blade mold cavity (97) from the second lateral edge (68) of the blade mold (96) such that the third preform (98c) slides within the mold cavity (97) until the third preform (98c) abuts the first preform (98a) along a second longitudinally extending interface (71).
The present invention relates to a method for manufacturing a reinforcing structure for a wind turbine blade (10), the method comprising the steps of: 1) arranging a plurality of strips (63) of fibre-reinforced material into adjacent stacks of strips (65a, b, c) forming a layered structure (61) with a plurality of fibre-reinforced layers (67), wherein adjacent fibre-reinforced layers of the plurality of fibre-reinforced layers are separated by interlayers (66), 2) providing at least one separation comb (70) comprising: a base region (71) and a teeth region (73) comprising a plurality of teeth (74) extending from the base region (71), wherein the plurality of teeth (74) are arranged in a linear array with gaps (79) between adjacent teeth (74), the gaps (79) being configured for allowing resin to flow from one side of the separation comb (70) to the other side of the separation omb (70), and wherein the plurality of teeth (74) are configured for penetrating the interlayers (66), 3) inserting the at least one separation comb (70) between two adjacent stacks of strips (65a, b, c) and penetrating he plurality of interlayers (66) with the plurality of teeth (74), such that the plurality of strips (63) in adjacent stacks of strips (65a, b, c) are separated by the at least one separation comb (70), 4) optionally moving the layered structure (61) to a desired location, such as into a wind turbine blade shell mould, after inserting the at least one separation comb (70) between adjacent stacks of strips (65a, b, c), 5) optionally removing the at least one separation comb (70), and 6) infusing the layered structure with resin to form a reinforcing structure (78).
B29C 70/44 - Shaping or impregnating by compression 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
B29C 70/54 - Component parts, details or accessoriesAuxiliary operations
B29C 70/86 - Incorporating in coherent impregnated reinforcing layers
B29D 99/00 - Subject matter not provided for in other groups of this subclass
There is provided a spar cap structure for a wind turbine blade. The spar cap structure comprises a main body and a lightning conductor assembly. The main body comprises a first side and a second side. The main body comprises a plurality of layers of one or more carbon fiber components, each of these layers being arranged one on top of the other between the first and the second sides, whereby the main body spans a thickness. The lightning connector assembly is arranged at one of the sides of the main body. The lightning connector assembly comprises a conductive block electrically connected to the main body. The conductive block spans a height from an outer end to an inner end of the lightning conductor assembly in a direction substantially parallel to the thickness of the main body. The inner end is connectable to a down conductor of a lightning protection system of a wind turbine blade.
The present disclosure relates to a wind turbine blade provided with one or more vortex generators at respective one or more locations on the surface of the blade. Each vortex generator comprises a fin with a leading edge and a trailing edge, the leading edge of the fin being closer to the leading edge of the wind turbine blade than the trailing edge of the fin, and wherein the leading edge of the fin extends from a bottom portion proximal to the surface of the blade to a top portion distal from the surface of the blade, the leading edge of the fin being configured such that at least a portion of the leading edge of the fin between the bottom portion and the top portion is located closer to the leading edge of the wind turbine blade than the bottom portion of the fin.
In a first aspect, a wind turbine blade is provided. The wind turbine blade comprises an upper blade shell part with an upper spar cap structure and a lower blade shell part with a lower spar cap structure. The upper spar cap structure and the lower spar cap structure comprise a first glass fiber stack comprising one or more glass fiber pultrusions. In a further aspect, a method for manufacturing a wind turbine blade according to any of the examples herein is provided. In yet a further aspect, a method to repair a wind turbine blade according to any of the examples herein is provided. In yet a further aspect, a wind turbine blade repaired with any of the methods to repair wind turbine blades herein is provided.
In a first aspect, a spar cap structure for a wind turbine blade is provided. The spar cap structure comprises a main body, a lightning connector assembly and a conductive assembly. The main body comprises a first side and a second side, wherein the main body comprises a plurality of layers of one or more carbon fiber components. The lightning assembly is arranged at one of the sides of the main body and extends a height from an outer end to an inner end in a direction substantially parallel to the thickness of the main body. The conductive assembly extends from the main body to the lightning connector assembly to electrically connect the main body to the lightning connector assembly. In a further aspect, a wind turbine blade comprising one or more spar cap structures according to any of the examples herein is provided. In yet a further aspect, a method for manufacturing a spar cap structure and a wind turbine blade according to any of the examples herein is provided.
In a first aspect, a spar cap structure for a wind turbine blade is provided. The spar cap structure comprises a carbon fiber stack and a glass fiber stack. The carbon fiber stack comprises a plurality of layers of one or more carbon fiber components arranged one on top of the other forming rows of layers of one or more carbon fiber components and one or more conductive veils arranged between two consecutive rows of the layers of one or more carbon fiber components. The glass fiber stack comprises one or more layers of one or more glass fiber components, and conductive elements electrically connected to the conductive veils of the carbon fiber stack. The glass fiber stack is configured to accommodate a lightning receptor to be electrically connected to the conductive elements. Furthermore, the one or more conductive veils and the conductive elements are at least partially overlapped. In a further aspect, a wind turbine blade comprising one or more spar cap structures according to any of the examples herein is provided. In yet a further aspect, a method for manufacturing a spar cap structure and a wind turbine blade according to any of the examples herein is provided.
There is provided a wind turbine blade component for a wind turbine blade. The wind turbine component comprises a main body and a first guide. The main body comprises a plurality of layers, including a first layer and a second layer, the layers being arranged one on top of the other between a first side and a second side thereof, whereby the main body spans a thickness. The layers comprise fiber pultrusions. The first guide, which comprises a porous material, is arranged at the first side of the main body. The first guide comprises a plurality of portions, including a first portion and a second portion, the portions being arranged one on top of the other. Each of the plurality of portions of the first guide is associated with one or more layers of the plurality of layers. A width of the first portion of the first guide is different to a width of the second portion of the first guide, whereby a plane in which the first layer abuts the first portion of the first guide is misaligned with a plane in which the second layer abuts the second portion of the first guide.
In a first aspect, a tool for positioning a spar cap (74) in a blade mould is provided. The tool comprises a structure (200) comprising a central portion (210), a first support (220) and a second support (230). The tool further comprises a connector (300) to be releasably attached to the spar cap, and a reference arm (400) configured to engage a first spar cap reference (75). In a further aspect, a method for positioning a spar cap in a blade mould is provided. The method comprises moving the tool towards the spar cap. The method further comprises engaging the reference arm of the tool and the first spar cap reference, and releasably attaching the connector of the tool to the spar cap. In addition, the method comprises moving the tool towards the blade mould to arrange the spar cap on the blade mould.
A lifting device designed for turning of a shear web in wind turbine blades. The device enables the shear web, comprising a web body positioned between two mounting flanges, to be turned from a horizontal to a vertical orientation around a longitudinal axis extending through the centre of gravity. The lifting device comprises an elongated body with two attachment points, fixing devices to releasable engage the shear web near the mounting flanges. The lifting device further comprises first and second repositioning mechanisms that allow for flexible adjustment of the distances between the fixing devices and the respective attachment points along the elongated body. This feature facilitates the positioning of the shear web's centre of gravity between the attachment points, ensuring efficient lifting and handling during wind turbine blade assembly.
B66C 1/10 - Load-engaging elements or devices attached to lifting, lowering, or hauling gear of cranes, or adapted for connection therewith for transmitting forces to articles or groups of articles by mechanical means
B66C 1/64 - Load-engaging elements or devices attached to lifting, lowering, or hauling gear of cranes, or adapted for connection therewith for transmitting forces to articles or groups of articles by mechanical means comprising article-engaging members of a shape complementary to that of the articles to be handled for T- or I-section beams or girders
B66C 1/16 - Slings with load-engaging platforms or frameworks
A method of separating a pultrusion element from a wind turbine blade part. The method comprises providing a wind turbine blade part comprising a plurality of embedded pultrusion elements arranged in a stack. The plurality of pultrusion elements includes a first pultrusion element and a second pultrusion element, wherein each pultrusion element comprises a first side and an opposite second side. The wind turbine blade part comprises an interlayer between the first side of the first pultrusion element and the second side of the second pultrusion element. A peel strength between the interlayer and the first and/or second pultrusion element is weaker than a peel strength within the first and/or second pultrusion element. The method comprises separating the first pultrusion element from the second pultrusion element at a separation line extending in the interlayer arranged between the first and second pultrusion elements.
B29B 17/02 - Separating plastics from other materials
B09B 3/30 - Destroying solid waste or transforming solid waste into something useful or harmless involving mechanical treatment
B29B 17/00 - Recovery of plastics or other constituents of waste material containing plastics
B29K 105/08 - Condition, form or state of moulded material containing reinforcements, fillers or inserts of continuous length, e.g. cords, rovings, mats, fabrics, strands or yarns
In a first aspect, a method for positioning a mounting guide assembly on a blade root portion of a wind turbine blade is provided. The method comprises removably joining a first positioning member to a blade root flange, engaging the first guide member and the first positioning member and joining the first mounting guide member to the blade root portion. The method further comprises removably joining a second positioning member to a blade root flange, engaging the second guide member and the second positioning member and joining the second mounting guide member to the blade root portion. In a further aspect, a positioning member for positioning a mounting guide member on a blade root portion of a wind turbine blade is provided. In yet a further aspect, a positioning assembly for positioning a mounting guide assembly on a blade root portion is provided.
A method of manufacturing a composite part is provided. The method includes manufacturing a plurality of laminate layers (100) by integrating a fiber material (102) with a matrix material (104). The method also includes stacking the plurality of laminate layers (100) atop each other to form a stacked laminate (112) part. The method also includes applying a partial vacuum to the stacked laminate (112) part. The method also includes modifying a shape of the stacked laminate (112) part by allowing one or more of the plurality of laminate layers (100) to slide with respect to each other under the partial vacuum. The method also includes applying a full vacuum to the modified shape of the stacked laminate (112) part and heating the stacked laminate (112) part to fuse the plurality of laminate layers (100) together to manufacture the composite part.
B29C 70/44 - Shaping or impregnating by compression 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
B29D 99/00 - Subject matter not provided for in other groups of this subclass
B29C 70/20 - Fibrous reinforcements only characterised by the structure of fibrous reinforcements using fibres of substantial or continuous length oriented in a single direction, e.g. roving or other parallel fibres
B29C 70/86 - Incorporating in coherent impregnated reinforcing layers
B29C 70/08 - Fibrous reinforcements only comprising combinations of different forms of fibrous reinforcements incorporated in matrix material, forming one or more layers, with or without non-reinforced layers
B29L 31/08 - Blades for rotors, stators, fans, turbines or the like, e.g. screw propellers
32.
PULTRUSION PROCESS FOR MANUFACTURING A FIBRE REINFORCED COMPOSITE ARTICLE FOR A WIND TURBINE BLADE
The present invention relates to a pultrusion process for manufacturing a fibre reinforced composite article (64). The process comprises the steps of impregnating a fibre material, such as fibre rovings or fibre tows, with a resin to form a resin-impregnated pultrusion string (109), pulling the resin-impregnated pultrusion string through a die (107) and applying heat to the resin-impregnated pultrusion string (109) to form an at least partially cured pultrusion string. A surface (115, 116) of the at least partially cured pultrusion string is treated with a primer composition comprising a silane compound to form a primer- treated pultrusion string, and the primer-treated pultrusion string is cut to provide the pultruded composite article (64).
B29D 99/00 - Subject matter not provided for in other groups of this subclass
C08G 77/20 - Polysiloxanes containing silicon bound to unsaturated aliphatic groups
C09D 183/00 - Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon onlyCoating compositions based on derivatives of such polymers
B29C 37/00 - Component parts, details, accessories or auxiliary operations, not covered by group or
B29L 31/08 - Blades for rotors, stators, fans, turbines or the like, e.g. screw propellers
33.
AN ASSEMBLY FOR MOULDING A WIND TURBINE BLADE SHELL PART FROM FIBRE SHEETS
The present invention relates to a moulding assembly (100) for manufacturing a shell part of a wind turbine blade, the moulding assembly (100) comprising a blade mould (62) comprising a moulding cavity (63) for moulding the shell part, the moulding cavity (63) having a root end and an opposing tip end. A rack (66) is provided comprising a plurality of receiving portions (74, 75, 76), wherein cartridges (68a, 68b, 68c) are arranged on the respective receiving portions (74, 75, 76) of the rack (66). A plurality of sheet supply rolls (90) is arranged within each cartridge, wherein each cartridge comprises a guide member (78) configured to guide each sheet supply roll (90) along a predetermined path within the cartridge.
B65H 19/12 - Lifting, transporting, or inserting the web rollRemoving empty core
B65H 49/00 - Unwinding or paying-out filamentary materialSupporting, storing, or transporting packages from which filamentary material is to be withdrawn or paid-out
An inspection system (200) for inspecting a pultrusion plank (300) for a wind turbine (10) is described. The inspection system includes an array device (210) of at least two microwave probes (211; 212) including a first microwave probe (211) and a second microwave probe (212) being offset from each other. The first microwave probe (211) and the second microwave probe (212) define a first and a second probing area (301, 302), forming an overlap area (303) between the first probing area (301) and the second probing area (302). The first microwave probe and the second microwave probe are adapted to provide different frequencies and/or modes of microwaves for inspecting the plank. The inspection system further includes a control unit (400) adapted to vary the frequencies and/or modes of the microwaves from first microwave probe and the second microwave probe during inspection of the plank.
An inspection system (200) for use during manufacturing for inspecting a moving electrically conductive component (300) of a blade for a wind turbine (10) is described. The inspection system (200) includes an eddy current array probe device (210) having at least two electromagnetic coils (220) being offset from each other. The inspection system further includes a sensor device for sensing eddy currents induced in the electrically conductive component (300) by the eddy current array probe device (210); and a constant-liftoff mechanism (500) for maintaining a substantial constant liftoff (231) between the eddy current array probe device (210) and the electrically conductive component (300). Further, an inspection method for inspecting an electrically conductive component (300) of a blade for a wind turbine (10) during manufacturing of the blade of the wind turbine is described.
G01N 27/90 - Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws using eddy currents
A wind turbine blade and a wind turbine having such wind turbine blade is disclosed. The wind turbine blade having a profiled contour including a pressure side and a suction side, and a leading edge and a trailing edge with a chord extending therebetween defining a chordwise direction. The wind turbine blade extends in a longitudinal direction between a root end and a tip end and having a blade length along the longitudinal direction. The wind turbine blade has a first airfoil blade section along the longitudinal direction being located between 40% and 100% of the blade length measured from the root end. Within the first airfoil blade section, the pressure side is substantially straight near the trailing edge.
In a first aspect, a wind turbine blade inspection system for detecting defects in a wind turbine blade is provided. The wind turbine blade inspection system comprises a directional light source, a diffuse light source, an image-capturing device and a controller. The controller is configured to analyze images from the image-capturing devices to detect a defect. In a further aspect, a computer-implemented method for detecting defects in a wind turbine blade is provided. In a yet further aspect, a computing system comprising a processor configured to perform a method according to any of the examples herein is provided. In yet a further aspect, a computing program comprising instructions, which, when the program is executed by a processor, cause the processor to carry out a method according to any of the examples herein is provided.
LM WIND POWER BLADES (QINHUANGDAO) CO. LTD (China)
Inventor
Giedrojc, Adam
Zheng, Wei
Abstract
In a first aspect, a guiding system for a wind turbine blade component is provided. The guiding system comprises a guide member configured to guide the wind turbine blade component relative to an inner surface of the blade shell. The guide member is removably attached to a base which is configured to be connected to the inner surface of the blade shell. In a further aspect, a method for mounting a wind turbine blade component within a wind turbine blade is provided. In a further aspect, a wind turbine blade is provided as well.
The present disclosure relates to a wind turbine blade comprising a leading-edge heating element extending along at least a portion of the leading edge of the wind turbine blade, the leading-edge heating element being configured for deicing a corresponding portion of an exterior surface of the leading edge; a first plurality of heating strips, each heating strip of the first plurality of heating strips extending in a substantially spanwise direction of the wind turbine blade, the first plurality of heating strips forming part of a first shell portion of the wind turbine blade, wherein the first shell portion is the pressure side shell portion or the suction side shell portion, the first plurality of heating strips being spaced apart from one another and from the leading-edge heating strip in a chordwise direction, each heating strip comprising carbon-fibre yarn and/or tow material.
A method of manufacturing a rotor blade of a wind turbine using a mold assembly includes placing a first blade segment in a reusable mold portion; placing and securing a reusable spar fixture within a custom intermediate mold portion; placing a spar cap atop the custom intermediate mold portion and the reusable spar fixture; placing blade skins in the custom intermediate mold portion and/or around a portion of the spar caps; placing a second blade segment around a portion of the spar caps; aligning the first blade segment with a first end of the blade skins; aligning a second end of the blade skins with a first end of the second blade segment; providing a vacuum only within the custom intermediate mold portion; infusing the blade skins with a resin to join the first blade segment, the blade skins, and the second blade segment together to form the rotor blade.
B29C 70/44 - Shaping or impregnating by compression 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
B29C 70/48 - Shaping or impregnating by compression for producing articles of definite length, i.e. discrete articles using matched moulds, e.g. for deforming sheet moulding compounds [SMC] or prepregs and impregnating the reinforcements in the closed mould, e.g. resin transfer moulding [RTM]
B29D 99/00 - Subject matter not provided for in other groups of this subclass
Disclosed is a wind turbine blade extending from a root to a tip. The wind turbine blade comprises a root region and an airfoil region comprising the tip, a pressure side, a suction side and a chord line extending between a leading edge and a trailing edge. The wind turbine blade comprises a leading edge protection element. The leading edge protection element is arranged at the leading edge of the wind turbine blade so as to form an exterior surface at the leading edge of the wind turbine blade. The leading edge protection element comprises a first layer made of a first material provided with an added pigment material, wherein the added pigment material has a first content by weight defined as the weight of the added pigment material divided by the weight of the first layer. The leading edge protection element comprises at least one second layer made of a second material provided with or without an added pigment material, wherein the added pigment material has a second content by weight defined as the weight of the added pigment material divided by the weight of the at least one second layer. The second content by weight is smaller than the first content by weight. The at least one second layer is arranged nearer the exterior surface of the blade than the first layer.
The present invention relates to a wind turbine blade having a profiled contour including a pressure side and a suction side and a leading edge and a trailing edge with a chord having a chord length extending therebetween, the wind turbine blade extending in a spanwise direction between a root end and a tip end, wherein the wind turbine blade comprises a trailing edge section defined between a first trailing edge section end and a second trailing edge section end, wherein the trailing edge section comprises a plurality of slits, including: a first plurality of slits extending a first distance from the first trailing edge section end toward the second trailing edge section end, and a second plurality of slits extending a second distance from the first trailing edge section end toward the second trailing edge section end, wherein the second distance is smaller than the first distance, and wherein the trailing edge section is part of the wind turbine blade or wherein the trailing edge section is part of a trailing edge panel attached to the wind turbine blade.
The present disclosure relates to wind turbine blade assemblies comprising a wind turbine blade and a plurality of aerodynamic add-ons. The aerodynamic add-ons may be asymmetrically arranged on the suction and pressure side of the blade. The aerodynamic addons may include add-ons of a plurality of different types. The present disclosure further relates to computer-implemented methods for determining a configuration of a wind turbine blade assembly including a wind turbine blade and a plurality of aerodynamic add-ons, and to computer programs and data processing systems configured to carry out such methods.
G06F 30/28 - Design optimisation, verification or simulation using fluid dynamics, e.g. using Navier-Stokes equations or computational fluid dynamics [CFD]
F03D 7/02 - Controlling wind motors the wind motors having rotation axis substantially parallel to the air flow entering the rotor
The present disclosure relates to a wind turbine blade part for a wind turbine blade, the wind turbine blade part comprising a metal mesh layer comprising a plurality of apertures, at least a first fibre- reinforced layer comprising a plurality of first electrically conductive fibres, and a plurality of second electrically conductive fibres. At least a number of the plurality of second electrically conductive fibres extend transversely through the plurality of apertures of the metal mesh layer so as to electrically connect the at least first fibre-reinforced layer with the metal mesh layer.
B29C 70/88 - Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts characterised primarily by possessing specific properties, e.g. electrically conductive or locally reinforced
B32B 15/14 - Layered products essentially comprising metal next to a fibrous or filamentary layer
B29D 99/00 - Subject matter not provided for in other groups of this subclass
45.
BASE ELEMENTS AND EDGE ELEMENTS FOR WIND TURBINE BLADE SECTIONS
The present disclosure relates to a wind turbine blade section comprising a base and an edge element. The base is made of fiber reinforced composite material and comprises a suction surface, a pressure surface and at least one outer surface portion between the suction surface and the pressure surface and comprising a first base positioning feature. The edge element comprises an inner surface including a first edge positioning feature. The first edge positioning feature is configured to engage with the first base positioning feature and the edge element is configured to be joined to the suction surface and/or to the pressure surface of the base.
A rotor blade assembly includes a first blade segment and a second blade segment extending in opposite directions from a chord-wise joint. Each of the first and second blade segments includes at least one shell member defining an airfoil surface and an internal support structure. The internal support structure of the first blade segment includes a beam structure extending lengthwise that structurally connects with the internal support structure of the second blade segment via a receiving section. The rotor blade assembly also includes a lightning protection system having a first conductive cage integrated with the beam structure and a second conductive cage integrated with the receiving section and electrically connected to the first conductive cage via an electrical connection. Further, the first and second conductive cages are grounded.
The present invention relates to a wind turbine blade component comprising a laminate structure comprising a non-woven fabric comprising a plurality of first fibres and a plurality of second fibres, wherein the plurality of first fibres are randomly oriented carbon fibres entangled with the plurality of second fibres which are of a type of fibres different from carbon fibres.
B32B 5/26 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by the presence of two or more layers which comprise fibres, filaments, granules, or powder, or are foamed or specifically porous one layer being a fibrous or filamentary layer another layer also being fibrous or filamentary
48.
A METHOD OF REPAIRING A SPAR CAP AND ROTOR BLADE HAVING A REPAIRED SPAR CAP
A method (1000, 1001) of repairing a spar cap (51, 52, 53) of a wind turbine blade (10, 108) includes removing (1100, 1101) a damaged portion (531d) of a fiber-reinforced plastic part (530, 531-33) of the spar cap (51, 52, 53) thereby forming a recess (531r) adjacent to a non-damaged portion (531n) of the fiber-reinforced plastic part, the non-damaged portion (531n) comprising electrically conductive fibers at least substantially orientated in a first direction (F). A bottom wall and a sidewall of the recess (531r) is covered (1200, 1210, 1220) a with an insulating material (534). A fiber-reinforced plastic filling (535, 535') is formed on the insulating material (534). The fiber-reinforced plastic filling (535, 535') is covered with an electrically conductive material (536) in electrical connection with the non-damaged portion (531n).
In a first aspect, a wind turbine blade torsion measuring system is provided. The wind turbine blade torsion measuring system comprises a shaft, a rotary sensor assembly and a connecting structure. The connecting structure is configured to movably connect the rotary sensor assembly to a blade structure to allow a relative movement between the rotary sensor assembly and the blade structure in a direction substantially parallel to the spanwise direction of the wind turbine blade. In a further aspect, a wind turbine blade comprising one or more wind turbine blade torsion measuring systems is provided. In yet a further aspect, a method of determining the torsional deformation of this wind turbine blade is provided. In yet a further aspect, a method for mounting the wind turbine blade torsion measuring system in a wind turbine blade is provided.
In a first aspect, a lubricant retention system for a pitch bearing of a wind turbine is provided. The lubricant retention system comprises a base and a plurality of annular seal segments to be connected to the base and to each other to form an annular seal assembly. The base is to be connected to a wind turbine. The plurality of annular seal segments comprises a distal end portion. When the lubricant retention system is mounted on the wind turbine blade, the distal end portion extends toward the second bearing component for defining a chamber for retaining lubricant from the pitch bearing. Furthermore, the plurality of annular seal segments comprises a releasable annular seal segment to be releasably connected to another of the annular seal segments. In a further aspect, a wind turbine blade comprising a lubricant retention system according to any of the examples herein disclosed is provided. In a further aspect, a method for mounting a lubricant retention system for a pitch bearing in a wind turbine blade is provided.
The present disclosure relates to protective elements (71) for wind turbine blades (10) such as leading edge protectors and to methods (100, 200) for providing protective elements (71). A method (100) comprises providing (110) a metallic sheet (50) having a first face (54), and a second face (55) opposite to the first face (54); providing (120) surface texture on the first face (54) of the metallic sheet (50); and bonding (130) the first face (54) of the metallic sheet (50) to a support structure.
B29C 70/02 - Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising combinations of reinforcements and fillers incorporated in matrix material, forming one or more layers, with or without non-reinforced or non-filled layers
F16B 11/00 - Connecting constructional elements or machine parts by sticking or pressing them together, e.g. cold pressure welding
52.
WIND TURBINE BLADE SPAR STRUCTURE AND METHOD OF ASSEMBLING WIND TURBINE BLADE USING SAME
A method of assembling a wind turbine blade includes providing a load-bearing spar structure having one or more locating features for locating one or more wind turbine blade segments, the load-bearing spar structure being secured to a fixture, the fixture being moveable and extendable. The method also includes at least one of moving and extending the fixture so as to at least one of move and elevate the load-bearing spar structure through an assembly line. The method also includes positioning the one or more wind turbine blade segments onto the one or more locating features of the load-bearing spar structure as the fixture is at least one of moved and extended through the assembly line. The method also includes securing the one or more wind turbine blade segments to the load-bearing spar structure.
A method (100) of disassembling a segmented blade (10) for a wind turbine (2), the segmented blade (10) including a first segment (40) and a second segment (50), the method (100) comprising: providing the segmented blade (10) in an assembled state, wherein a connecting member (54) of the second segment (50) extends into the first segment (40); removing the connecting member (54) partially from the first segment (40), wherein removing the connecting member (54) comprises exposing a first region (58) of the connecting member (54); positioning a disassembly tool (60) comprising a tool base (66) and a guiding device (80) connected to the tool base (66), wherein the tool base (66) is positioned below the connecting member (54), and wherein a top portion (82) of the guiding device (80) is positioned in the first region (58) and above the connecting member (54) to limit a mobility of the connecting member (54); and removing the connecting member (54) entirely from the first segment (40) after positioning the disassembly tool (60).
A wind turbine blade comprising suction and pressure side shell parts of an aerodynamic shell body extending in a longitudinal direction between a root end and a tip end and in a transverse direction between a leading edge and a trailing edge, and an electro-thermal system comprising suction and pressure side heating layers comprising electrically conductive fibres to mitigate ice formation on the wind turbine blade; suction and pressure side metallic lightning protection layers for receiving a lightning strike and arranged exteriorly to and overlapping the heating layers; and a down conductor being electrically connected to the metallic lightning protection layers so as to be able to conduct a lightning strike current from the metallic lightning protection layers to a root of the wind turbine blade, wherein the electro-thermal system comprises at least one equipotential bonding conductor electrically connecting the electrically conductive fibres of the suction side heating layer and the electrically conductive fibres of the pressure side heating layer to form an equipotential bonding;
111) of the heating element using the measured first value of the heating current and a known functional dependency (410) between the heating current in the heating element and the temperature of the heating element.
A method for joining a first and second composite elements (100, 200) of a wind turbine blade comprises positioning an edge joining portion (120) having a thermoplastic material of the first composite element (100) to face an edge joining portion (220) having a thermoplastic material of the second composite element, and plastic welding the edge joining portions. Preferably, the method further includes inserting a triangular-shaped thermoplastic connector (160) between the composite elements (100, 200), and plastic welding first and second sides (161, 162) of the connector to the edge joining portions (120, 220). While the edge joining portions (120, 220) of the composite blade elements are thermoplastic, the remainder of said composite elements (100, 200) may comprise either thermoplastic or thermoset resin. A wind turbine blade comprising first and second composite elements joined together is also disclosed.
B29C 65/20 - Joining of preformed partsApparatus therefor by heating, with or without pressure using heated tool with direct contact, e.g. using "mirror"
B29C 65/36 - Joining of preformed partsApparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" heated by induction
B29K 105/06 - Condition, form or state of moulded material containing reinforcements, fillers or inserts
B29L 31/08 - Blades for rotors, stators, fans, turbines or the like, e.g. screw propellers
57.
LAYUP OF PRE-MANUFACTURED ELEMENTS IN A WIND TURBINE BLADE PART MOLD
The present invention provides a system for laying up a first plurality of pre-manufactured elements in a mold for a fibre-reinforced wind turbine blade part. The system comprises: a mold for forming the fibre-reinforced wind turbine blade part; a platform for carrying the first plurality of elements, the platform being moveable above and along at least a part of the mold, the platform being moveable to a loading position at which the first plurality of elements can be loaded to the platform; pick-and-place means for picking up each of the elements of the first plurality of elements when carried on the platform and while the platform is located above the mold, and placing the elements at corresponding positions in the mold. A corresponding method and a layup tool are also provided.
B23Q 1/01 - Frames, beds, pillars or like membersArrangement of ways
B25J 5/04 - Manipulators mounted on wheels or on carriages travelling along a guideway wherein the guideway is also moved, e.g. travelling crane bridge type
B25J 15/06 - Gripping heads with vacuum or magnetic holding means
B29B 11/04 - Making preforms by assembling preformed material
B64F 5/00 - Designing, manufacturing, assembling, cleaning, maintaining or repairing aircraft, not otherwise provided forHandling, transporting, testing or inspecting aircraft components, not otherwise provided for
G05B 19/401 - Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by control arrangements for measuring, e.g. calibration and initialisation, measuring workpiece for machining purposes
G05B 19/406 - Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by monitoring or safety
58.
A WIND TURBINE BLADE WITH A SURFACE-MOUNTED DEVICE
A wind turbine blade comprising a surface-mounted device arranged on an exterior surface of the blade is described. The blade has a profiled contour including a pressure side and a suction side, and a leading edge and a trailing edge with a chord having a chord length extending therebetween in a chordwise direction. The wind turbine blade extends in a spanwise direction between a root end and a tip end. The surface-mounted device is a leading edge protection panel attached to the leading edge of the wind turbine blade, the leading edge protection panel extending in the spanwise direction comprising: a first section extending from the leading edge and along a part of the pressure side of the wind turbine blade to a first transverse end at a first position on the pressure side of the blade, the first section having a first extent from the leading edge of the wind turbine blade to the first position on the pressure side of the blade, and a second section extending from the leading edge and along a part of the suction side of the wind turbine blade to a second transverse end at a second position on the suction side of the blade, the second section having a second extent from the leading edge of the wind turbine blade to the second position on the suction side of the blade, and the first extent and the second extent have varying length in the spanwise direction, and a ratio between the second extent and the first extent varies in the spanwise direction.
A method for attaching a panel to a surface of a wind turbine blade using a pressure application tool is described. The pressure application tool comprises at least two rollers, wherein the panel comprises a first attachment surface for attaching to the surface of the wind turbine blade and a second surface which faces away from the surface of the wind turbine blade, when the panel is attached to the surface of the wind turbine blade. The blade has a profiled contour including a pressure side and a suction side, and a leading edge and a trailing edge with a chord having a chord length extending therebetween in a chordwise direction, the wind turbine blade extending in a spanwise direction between a root end and a tip end. The method comprises: placing the first attachment surface of the panel on a part of the pressure side or the suction side of the wind turbine blade with adhesive between the first attachment surface on the panel and the part of the pressure side or the suction side of the wind turbine blade; arranging the pressure application tool such that a first roller of the at least two rollers is arranged to contact the second surface of the panel, and a second roller of the at least two rollers is arranged to contact a part on the other side of the pressure side or suction side of the wind turbine blade; applying pressure using the pressure application tool to the second surface of the panel and to the part on the other side of the pressure side or suction side of the wind turbine blade; and moving the at least two rollers of the pressure application tool along a part of the panel in order to attach the panel to the surface of the wind turbine blade. The pressure application tool is also described.
In a first aspect, a multi-axis tool for handling and positioning a blade root component at a blade root portion of a wind turbine blade is provided. The tool comprises a first arm extending from first arm proximal end to a first arm distal end. In addition, the tool comprises a first arm support pivotally coupled to the first arm proximal end and a mounting frame configured to be releasably connected to the blade root component. The tool further comprises a connecting assembly coupling the first arm distal end to the mounting frame. The connecting assembly comprises a connecting joint for pivoting the mounting frame and a rotating connector rotatably coupling the first arm distal end with the mounting frame. The tool is configured to rotate and/or to flip the blade root component when connected to the mounting frame. In a further aspect, a method for handling and positioning a blade root component at a blade root portion of a wind turbine blade is provided.
A first blade segment (50) for a segmented wind turbine rotor blade (10), comprising a spar cap (40) comprising at least a first spanwise region (52) and a second spanwise region (54); and a load transfer laminate (64) being arranged in the second spanwise region (54) of the spar cap (40); wherein the load transfer laminate (64) comprises fibers, and wherein less than 80% of the fibers are oriented in a spanwise direction (44) of the first blade segment (50).
A method for performing a maintenance or repair of a rotor blade of a wind turbine comprising: planning and scheduling data acquisition; acquiring data of the a rotor blade based on the planning and scheduling; processing and analyzing the acquired data using artificial intelligence; identifying (108) defects of the one rotor blade; and tracking and visualizing the identified defects of the rotor blade; performing a maintenance or a repair of the rotor blade; wherein processing and analyzing the acquired data using artificial intelligence includes determining one or more artificial intelligence algorithms, and wherein the artificial intelligence is trained based on previously acquired data of one or more rotor blades and the previously acquired data is further augmented using blending to obtain augmented training data, and wherein the blending includes a random cut and paste and/or a Poisson blending/alpha blending and/or a GAN based blending.
A blade shell assembly for a wind turbine blade shell is described. The blade shell assembly includes a first element (200) having a first mating surface (201) and a second element (300) having a second mating surface (301). The first mating surface (201) and the second mating surface (301) are adapted for abutting on each other in an assembled state. The second element (300) includes one or more grooves (310) able to generate a spring effect to close a gap (450) between the first element (200) and the second element (300), the gap (450) extending substantially in a direction (402) substantially perpendicular to the second mating surface (301) or the first mating surface (201). Further, a method for building a blade shell of a wind turbine blade and a wind turbine blade are described.
The present invention provides a method of manufacturing a wind turbine blade shell comprising a first wind turbine blade shell part and a second wind turbine blade shell part. The method comprises: providing a blade mould (50) for forming the first blade shell part; arranging fibre-reinforcement material (74) into the blade mould (50); providing a first set of one or more fixtures (61, 71) at corresponding one or more fixture positions along a first edge (51) of the blade mould; arranging a first premanufactured glue flange (81) in the blade mould using the first set of fixtures as position references; providing a vacuum bag over the blade mould so as to form a mould cavity, the fibre-reinforcement material, the first glue flange (81), and the first set of fixtures (61, 71) being contained within the mould cavity; evacuating air from the mould cavity; providing resin into the mould cavity; and curing the resin. A corresponding system is provided.
B29D 99/00 - Subject matter not provided for in other groups of this subclass
B29C 70/44 - Shaping or impregnating by compression 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
B29C 70/54 - Component parts, details or accessoriesAuxiliary operations
B29C 33/12 - Moulds or coresDetails thereof or accessories therefor with incorporated means for positioning inserts, e.g. labels
B29C 70/86 - Incorporating in coherent impregnated reinforcing layers
B29C 70/76 - Moulding on edges or extremities of the preformed part
B29C 65/00 - Joining of preformed partsApparatus therefor
B29C 65/50 - Joining of preformed partsApparatus therefor using adhesives using adhesive tape
B29L 31/08 - Blades for rotors, stators, fans, turbines or the like, e.g. screw propellers
The present invention provides a wind turbine blade shell part for a wind turbine blade, the blade shell part comprising: a structural element providing structural strength to the blade shell part and comprising carbon fibres embedded in a polymer matrix; a lightning receptor exposed at an outer surface of the blade shell part and extending towards the structural element; and an electrically conductive adhesive attaching the lightning receptor to the structural element. A method for manufacturing such a blade shell part is also provided.
In a first aspect, a tool for supporting a wind turbine blade in a post-moulding position is provided. The tool comprises a base configured to rest on a ground; a support structure configured to receive a region of the wind turbine blade when a leading edge of the wind turbine blade faces the ground, wherein the support structure comprises a supporting surface configured to receive and support an outer surface of the region of the blade; and a lifting mechanism configured to move the support structure relative to the base. In a further aspect, a supporting assembly for supporting a wind turbine blade in a post-moulding position is provided. In yet a further aspect, a method for supporting a wind turbine blade during post-moulding operations is provided.
A method of manufacturing a jointed structural component of a rotor blade includes forming at least one first portion of the jointed structural component via at least one custom mold. The first portion(s) has one or more custom characteristics with respect to the rotor blade. The method also includes providing at least one second portion of the jointed structural component. The second portion(s) of the jointed structural component is a pre-fabricated component. The method further includes arranging the first portion(s) and the second portion(s) of the jointed structural component together at an interface. Moreover, the method includes joining the first portion(s) and the second portion(s) together at the interface to create the jointed structural component.
The present invention relates to a wind turbine blade comprising a lightning protection system with at least one tip end lightning receptor arranged at an outer surface of the blade and a down conductor extending within the blade. The blade comprises carbon fibre reinforced spar caps, wherein a conductive fabric forms an electric connection between the tip end of spar cap and the lightning receptor.
A method is provided of manufacturing a wind turbine blade shell member (36, 38), the method comprising the steps of providing a blade mould (96) for the blade shell member, arranging one or more layers of fibre material in the moulding cavity to provide a fibre layup (97), and providing a pre-manufactured spar cap member (62). The surface of the spar cap member is treated with a primer composition to provide a primer-treated surface. Heat is then applied to the primer-treated surface of the spar cap member to provide an activated surface, for improving the bonding in a subsequent resin co-infusion of the spar cap member and the fibre layup.
B29C 70/44 - Shaping or impregnating by compression 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
B29C 70/86 - Incorporating in coherent impregnated reinforcing layers
B29D 99/00 - Subject matter not provided for in other groups of this subclass
C08F 230/08 - Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and containing phosphorus, selenium, tellurium or a metal containing a metal containing silicon
C08F 283/01 - Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass on to unsaturated polyesters
C08K 5/5425 - Silicon-containing compounds containing oxygen containing at least one C=C bond
C09D 4/06 - Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond in combination with a macromolecular compound other than an unsaturated polymer of groups
C09D 167/06 - Unsaturated polyesters having carbon-to-carbon unsaturation
C09D 183/08 - Polysiloxanes containing silicon bound to organic groups containing atoms other than carbon, hydrogen, and oxygen
B29L 31/08 - Blades for rotors, stators, fans, turbines or the like, e.g. screw propellers
B29C 70/48 - Shaping or impregnating by compression for producing articles of definite length, i.e. discrete articles using matched moulds, e.g. for deforming sheet moulding compounds [SMC] or prepregs and impregnating the reinforcements in the closed mould, e.g. resin transfer moulding [RTM]
C08G 77/20 - Polysiloxanes containing silicon bound to unsaturated aliphatic groups
C08G 77/26 - Polysiloxanes containing silicon bound to organic groups containing atoms other than carbon, hydrogen, and oxygen nitrogen-containing groups
C08G 77/28 - Polysiloxanes containing silicon bound to organic groups containing atoms other than carbon, hydrogen, and oxygen sulfur-containing groups
71.
PRE-BENT WIND TURBINE BLADE OPTIMISED FOR AEROELASTIC STABILITY
A pre-bent wind turbine blade extending along a longitudinal course from a root to a tip, the wind turbine blade comprising a root region and an airfoil region with the tip, the wind turbine blade comprising a chord line extending between a leading edge and a trailing edge, the wind turbine blade comprising an aerodynamic exterior blade surface including a pressure side and a suction side, wherein the airfoil region comprises a plurality of longitudinal pre-bend regions in which the wind turbine blade is pre-bent in a flapwise direction, wherein a first pre-bend region of the plurality of longitudinal pre-bend regions is arranged closer to the root than a second longitudinal pre-bend region, wherein the longitudinal course in the second pre-bend region comprises a kink.
The present invention provides a method of repairing a metal mesh in a wind turbine blade part, damaged for instance by a lightning strike. The method comprises providing a wind turbine blade part; exposing a first metal mesh comprised in the wind turbine blade part; adhesively attaching a second metal mesh to the first metal mesh using an electrically conductive adhesive, such that the second metal mesh at least partially overlaps the first metal mesh; and covering the second metal mesh with cover material to finalise the repair. A corresponding wind turbine blade part is also provided.
The present disclosure relates to support and support assemblies for rotating a composite part. The support comprises a stationary support and a rotatable support, wherein the stationary support is configured to support the rotatable support, and the rotatable support is configured to receive and secure the composite part, and wherein the rotatable support is configured to rotate with respect to the stationary support. The present disclosure further relates to methods and assemblies for rotating composite parts.
The present invention relates to a method of manufacturing a wind turbine blade (10), and to a method of inspecting a glued assembly (100) of a first wind turbine blade component and a second wind turbine blade component. A first blade component (36) and a second blade component (50) are provided, and at least one ultrasound imaging marker (70) is attached to the second blade component (50). The second blade component (50) is bonded to the first blade component (36) along at least one adhesive joint (72), and an ultrasound image (74) of the adhesive joint (72) and at least part of the bonded first and second blade components is obtained. The ultrasound imaging marker (70) can be identified on the ultrasound image to verify the integrity of the adhesive joint (72) between the first and second blade components.
An apparatus (100) for the manufacture of a wind turbine blade including a mold (150) is provided. The mold is provided under vacuum conditions. The apparatus includes an infusion machine (110) for providing a resin, the infusion machine including a main hose (120); and a manifold (130), the manifold being in fluid connection with the main hose (120) to receive the resin from the infusion machine. The manifold (130) includes a sub-hose (132) including a first end and a second end, wherein the first end is in fluid connection with the manifold (130); a valve (140) being in fluid connection with the second end of the sub-hose (132); a measuring device (146) for measuring a process parameter value; and an inlet (144) being in fluid connection with the valve for providing the resin from the manifold to the mold.
B29C 70/44 - Shaping or impregnating by compression 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
B29C 70/48 - Shaping or impregnating by compression for producing articles of definite length, i.e. discrete articles using matched moulds, e.g. for deforming sheet moulding compounds [SMC] or prepregs and impregnating the reinforcements in the closed mould, e.g. resin transfer moulding [RTM]
B29C 33/00 - Moulds or coresDetails thereof or accessories therefor
B29C 70/54 - Component parts, details or accessoriesAuxiliary operations
B29D 99/00 - Subject matter not provided for in other groups of this subclass
The present disclosure relates to mold assemblies (200) for manufacturing composite parts comprising fibers (202) and resin, the mold assembly (200) comprising a mold surface (201) extending in a longitudinal direction and in a transverse direction and a mold (220) defining lateral end walls (203) delimiting the mold surface (201) in the transverse direction, a pliable sheet (210) configured to be connected to the mold surface (201) between the lateral end walls (203), wherein the pliable sheet (210) is configured to be opened and closed locally so that the fibers (202) can be laid in the mold, and wherein the pliable sheet (210) is also configured to restrain movement of the laid fibers (202). The present disclosure further relates to methods for manufacturing composite parts.
B29C 70/44 - Shaping or impregnating by compression 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
B29C 70/54 - Component parts, details or accessoriesAuxiliary operations
B29C 70/34 - Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or coreShaping by spray-up, i.e. spraying of fibres on a mould, former or core and shaping or impregnating by compression
The current disclosure is a distribution layer for vacuum assisted resin transfer molding of a wind turbine blade and/or a wind turbine blade part, a vacuum assisted resin transfer molding assembly comprising the distribution layer and a method for manufacturing a wind turbine blade and/or wind turbine blade parts using the vacuum assisted resin transfer molding assembly. The distribution layer comprises one or more inlets for receiving resin, one or more runners connected to the one or more inlets. The distribution layer further comprises one or more valves located within a runner, restricting flow in one direction.
B29C 70/48 - Shaping or impregnating by compression for producing articles of definite length, i.e. discrete articles using matched moulds, e.g. for deforming sheet moulding compounds [SMC] or prepregs and impregnating the reinforcements in the closed mould, e.g. resin transfer moulding [RTM]
B29C 70/54 - Component parts, details or accessoriesAuxiliary operations
B29C 70/44 - Shaping or impregnating by compression 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
F16K 15/03 - Check valves with guided rigid valve members with a hinged closure member
B29D 99/00 - Subject matter not provided for in other groups of this subclass
B29L 31/08 - Blades for rotors, stators, fans, turbines or the like, e.g. screw propellers
The present invention relates to a method and assembly for rotating a wind turbine blade (10). The method comprises providing a wind turbine blade (10) and determining the centre of gravity (66) of the wind turbine blade (10). First and second fixtures (70, 80) are attached to different parts of the wind turbine blade (10), such that the respective centres of the first fixture (70) and the second fixture (80) are aligned with the centre of gravity (66) of the wind turbine blade (10) for defining a common rotational axis (90).
The present disclosure relates to methods (100, 200) for removing spar cap elements (50) from a spar cap (74, 76) for a wind turbine blade (10) and to related assemblies. A method (100) comprises heating a portion of thermoplastic material (55) which surrounds, at least in 5 part, a first thermoset pultrusion element (50); removing part or all of the heated portion of thermoplastic material; and removing at least a portion of the first thermoset pultrusion element (50).
The present disclosure relates to an apparatus (100) for deposition of a fiber mat (200) on a surface, the apparatus (100) comprising a reel (101) for holding a roll (102) of the fiber mat (200), a first roller (111) at a first transverse position and a second roller (112) at a second transverse position for applying traction on the fiber mat (200), and a fiber mat tension compensator (120) configured to adjust a tension in the fiber mat (200) along a fiber mat transverse direction. The present disclosure also relates to methods for depositing a fiber mat (200) on a surface.
It is provided a mandrel for producing a hollow composite component of a wind turbine rotor blade, the mandrel comprising a core (110) of a first material; an outer layer (120) of a second material arranged radially outward of the core (110), the second material being more compressible than the first material; and a first intensifier member (130) for intensifying a pressure on a first inner area of a lay-up, the first intensifier member (130) being arranged at least partially radially outward of the core (110), wherein a first outer surface (135) of the first intensifier member (130) and a second outer surface (125) of the outer layer (120), together, forms a defined shape corresponding to a desired inner shape of at least a portion of the hollow composite component.
B29D 99/00 - Subject matter not provided for in other groups of this subclass
B29C 70/56 - Tensioning reinforcements before or during shaping
B29C 70/46 - Shaping or impregnating by compression for producing articles of definite length, i.e. discrete articles using matched moulds, e.g. for deforming sheet moulding compounds [SMC] or prepregs
82.
MOLD ASSEMBLY FOR MANUFACTURING A COMPOSITE PART AND RELATED METHODS
The present disclosure relates to a mold assembly (200) for manufacturing a composite part (210) comprising a stack of pultruded plates (211) and a fiber mat (212), the mold assembly comprises a mold (220) and at least one fiber mat tensioner (223) configured to provide tension to the fiber mat (212) to hold the stack of pultruded plates (211). The present disclosure also relates to methods for manufacturing a composite part.
The present disclosure relates to a method for manufacturing a spar cap for a wind turbine blade, the spar cap comprising a stack of pultruded plates (211). The method comprising laying the stack of pultruded plates (211) between a first and a second sidewall (222, 221) on a mold (220), infusing the stack of pultruded plates with resin, and unmolding (303) the infused stack of pultruded plates from the mold (220). Further, at least one of the sidewalls is adjusted along the transverse direction relative to the stack of pultruded plates (211) at least after the laying or prior to unmolding (303) of the stack of pultruded plates. The present disclosure also relates to infused pultrusion stacks.
The present disclosure relates to methods (100, 200) for adapting a cross-sectional shape of a root (16) of a wind turbine blade (10). The present disclosure further relates to assemblies (90) for adapting a cross-sectional shape of a root (16) of a wind turbine blade (10) and to wind turbine blades (10). A method (100) comprises providing a root flange (50) configured to be mounted to the root (16) of the wind turbine blade (10); arranging the root flange (50) with the root (16) of the wind turbine blade (10); joining a plurality of push elements (60) to the root flange (50), the push elements (60) being configured to push a wall (19) of the root (16) of the wind turbine blade (10); and pushing the wall (19) of the root (16) of the wind turbine blade (10) with one or more of the push elements (60).
The present invention relates to a method of manufacturing a preform (98) for a wind turbine blade. A first mould inlay (72) is fastened to a first portion (112) of the mould surface of a preform mould. The first mould inlay (72) has an outer surface (73) and an inner surface (74), wherein the inner surface of the first mould inlay (72) faces the first portion of the mould surface. At least part of the perimeter of the first mould inlay (72) has a tapered edge (76).
B29B 11/16 - Making preforms characterised by structure or composition comprising fillers or reinforcements
B29C 70/42 - Shaping or impregnating by compression for producing articles of definite length, i.e. discrete articles
B29D 99/00 - Subject matter not provided for in other groups of this subclass
86.
METHOD FOR APPLYING A PROTECTIVE FILM ON AT LEAST ONE PORTION OF A WIND TURBINE BLADE, WIND TURBINE BLADE, AND APPARATUS FOR FORMING A GROOVE ON A SURFACE OF AT LEAST ONE PORTION OF A WIND TURBINE BLADE
The present disclosure provides a method (100) of applying a protective film (280) on at least one portion (210, 310) of a wind turbine blade (200), a wind turbine blade (200), and an apparatus for forming (130) a groove (230) on a surface of at least one portion (210, 310) of a wind turbine blade (200). The method of applying a protective film (280) on at least one portion (210, 310) of a wind turbine blade (200) comprises providing (120) the at least one portion (210, 310) of the wind turbine blade (200); forming (130) a groove (230) on a surface of the at least one portion (210, 310) of the wind turbine blade (200), thereby delimiting a first region (A) of the surface of the at least one portion (210, 310) of the wind turbine blade (200) from a second region (B) of the surface of the at least one portion (210, 310) of the wind turbine blade (200), wherein the first region (A) of the surface of the at least one portion (210, 310) of the wind turbine blade (200) includes the groove (230); covering (140) the first region of the surface of the at least one portion (210, 310) of the wind turbine blade (200) with a protective film (280); and pressing (150) an edge region of the protective film (280) in the groove (230), thereby inserting the edge region of the protective film (280) in the groove.
B29C 63/00 - Lining or sheathing, i.e. applying preformed layers or sheathings of plasticsApparatus therefor
B29C 63/06 - Lining or sheathing, i.e. applying preformed layers or sheathings of plasticsApparatus therefor using sheet or web-like material by folding, winding, bending or the like around tubular articles
B29C 65/02 - Joining of preformed partsApparatus therefor by heating, with or without pressure
B29C 65/00 - Joining of preformed partsApparatus therefor
The present invention relates to a method of manufacturing a part, such as a preform, for a wind turbine blade. One or more channel members (72) are fastened to the mould surface of a preform mould, and a fibre material (85) and a binding agent is arranged onthe mould surface (87). The fibre material, the binding agent and the one or more channel members are covered with a vacuum bag, and negative pressure is applied to the fibre material and binding agent via the one or more channel members for consolidating the preform. Each of the channel members (72) comprises a plurality of slits (77) extending between its inner surface and its outer surface, the slits having an orientation that issubstantially transverse to the longitudinal axis of the channel member.
A method of manufacturing a wind turbine blade shell component (38) is provided, the method comprising arranging a plurality of pultrusion plates (64) on a blade shell material (89) in a mould (77) for the blade shell component. The pultrusion plates (64) are bonded with the blade shell material to form the blade shell component, wherein each pultrusion plate (64) is formed of a pultrusion fibre material comprising a glass fibre material (70) and a carbon fibre material (68), wherein carbon fibre material is provided along the entire lateral surfaces (83, 84) of the pultrusion plate. The glass fibre material is selected from a glass fibre fabric, a glass fibre preform comprising a consolidated arrangement of glass fibres and a binding agent, and a plurality of glass fibres encapsulated by a veil or a foil.
Fastener assemblies for connecting a first web to a second web are disclosed, particularly a main leading edge and trailing edge shear webs of a main shear web assembly. The fasteners are configured to be mounted from the outside of the assembly. The fasteners comprise a shaft, a first fastener, and a second fastener, the shaft having a first end configured to be arranged with the first web, a second end configured to be arranged on the outside of the second web, and a central portion. The central portion includes one or more stoppers near the first end, the stoppers having a deployed position wherein the stoppers protrude beyond the outer surface of the central portion such that the first web can be fixed between the stoppers and the first fastener, and wherein the central portion has a cross-sectional area that is larger than the cross- sectional area of the second end such that the second web can be fixed between the second fastener and the central portion of the shaft.
A blade segment (60) for a rotor blade (22) of a wind turbine (10), the blade segment (60) comprising a first joint portion (62) configured to be joined to a second joint portion (72) of a further blade segment (70); and a blade joining system comprising a joining device (82) for mechanically connecting the first joint portion (62) and the second joint portion (72), the joining device (82) being remotely operable.
A method of manufacturing an embedding element (76) for embedment in a shell structure of a wind turbine rotor blade (10) is provided, wherein the method comprises arranging a fibre material (99) and a binding agent on the lower mould plate (93) in between the first movable core member (97) and the second movable core member (98). One or both of the core members can be pushed towards the cavity for compacting the fibre material (99), which is then heated together with the binding agent to form the embedding element (76) or a preform (90) thereof.
The present application relates to a method of manufacturing a fibre-reinforced spar cap (45) for a wind turbine blade. A plurality of pultruded fibre plates (70) is arranged in a spar cap mould (62) to form a stacked arrangement (69) of pultruded fibre plates (70). An insert member (86) is arranged next to a lateral surface (67) of the stacked arrangement (69), wherein the first insert member (86) comprises a connecting surface (87), and wherein the first insert member (86) is arranged such that its connecting surface abuts against the first lateral surface (67) of the stacked arrangement (69). Resin is infused into the stacked arrangement (69) and the insert member (86) to form the fibre-reinforced spar cap (45) or a preform thereof, which can be trimmed to the required size.
B29D 99/00 - Subject matter not provided for in other groups of this subclass
B29C 70/34 - Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or coreShaping by spray-up, i.e. spraying of fibres on a mould, former or core and shaping or impregnating by compression
The present invention relates to a wind turbine blade having a lightning protection system. The blade includes a pressure side shell part and a suction side shell part. The pressure side shell part or the suction side shell part comprises a blade component extending along a longitudinal axis of the blade and comprising one or more carbon fibre structures. The blade component is at least partially embedded in the shell part. An elongate metallic element is arranged in direct contact with the blade component, and at least part of the elongate metallic element is positioned between the blade component and an outer surface of the shell part. A lightning receptor is arranged in electrical contact with the elongate metallic element and extends to or near an outer surface of the blade shell part. The lightning receptor does not extend through the blade component.
The present invention relates to a method of manufacturing a wind turbine rotor blade part comprising stacking a plurality of plies (70, 71, 72) to form a stack of plies (80) such that the stack of plies has at least one stepwise tapering edge (84, 85). A plurality of plastic fasteners (90) is used to interconnect the plies (70, 71, 72) by passing the plurality of plastic fasteners (90) through the stack of plies to form a stack of interconnected plies (82). The stacks of interconnected plies (82a, 82b, 82c, 82d) are arranged within the blade mold, followed by resin infusion into the one or more stacks of interconnected plies within the blade mold, and curing and/or hardening the resin in order to form the blade part.
B29C 70/24 - Fibrous reinforcements only characterised by the structure of fibrous reinforcements using fibres of substantial or continuous length oriented in at least three directions forming a three dimensional structure
B29C 70/54 - Component parts, details or accessoriesAuxiliary operations
B29D 99/00 - Subject matter not provided for in other groups of this subclass
B32B 7/09 - Interconnection of layers by mechanical means by stitching, needling or sewing
B32B 7/05 - Interconnection of layers the layers not being connected over the whole surface, e.g. discontinuous connection or patterned connection
B29C 65/56 - Joining of preformed partsApparatus therefor using mechanical means
B29C 65/00 - Joining of preformed partsApparatus therefor
B29C 70/44 - Shaping or impregnating by compression 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
B32B 5/26 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by the presence of two or more layers which comprise fibres, filaments, granules, or powder, or are foamed or specifically porous one layer being a fibrous or filamentary layer another layer also being fibrous or filamentary
B32B 7/08 - Interconnection of layers by mechanical means
B29L 31/08 - Blades for rotors, stators, fans, turbines or the like, e.g. screw propellers
95.
DAMAGE TOLERANT COVER SHEET FOR PREMANUFACTURED SPAR CAP
The present invention relates to a pre-manufactured spar cap for a wind turbine blade comprising a spar cap structure comprising a plurality of fibre-reinforced composite elements arranged in stacked rows and separated by interlayers and a first and/or second damage tolerant cover sheet. The first and/or second damage tolerant cover sheets each comprises a first damage tolerant fibre layer and a second damage tolerant fibre layer attached to each other in attachment areas, wherein the attachments areas are separated from each other by a distance between 1-5 cm. Furthermore, the spar cap structure and the first and/or second damager tolerant cover sheet are embedded in a first cured resin. The present invention also relates to a damage tolerant cover sheet as such, as well as a wind turbine comprising a first and/or second damage tolerant cover sheet. Also, the present invention relates to methods of manufacturing a premanufactured spar cap, a wind turbine shell member and a wind turbine blade comprising the first and/or second damage tolerant cover sheet.
The present invention relates to a system for assembling a wind turbine blade shell (10), the system comprising: - a first support structure comprising a stationary portion (301) and a moveable portion (362, 363), the moveable portion being adapted to support a first wind turbine blade shell half (321), a second support structure (302) adapted to support a second wind turbine blade shell half (322), moving means (309) attached to the moveable portion and configured to move the moveable portion between a first position in which the moveable portion is positioned above the stationary structure, and a second position in which the moveable portion is positioned above the second support structure, wherein when the moveable portion is in the second position, the first wind turbine blade shell half, when supported by the moveable portion, and the second wind turbine blade shell half, when supported by the second support structure, are assembled, forming the wind turbine blade shell (410).
A spar cap for a wind turbine blade, comprising a load-carrying structure including a primary laminate and a secondary laminate arranged with an overlap in a longitudinal axis of the spar cap, wherein the width of the secondary laminate being at least 1.1 times greater than the width of the primary laminate.
A method of manufacturing a composite part (70) for a wind turbine blade (10), the method comprising the steps of providing a mould (50) comprising a mould depression (51) with a floor surface (53) and an adjacent receiving section (54), and a mould inlay (60) having an insertion section (61) and a first side (63); arranging the insertion section (61) in the receiving section (54) of the mould depression (51) so that a junction of the first side (63) and the floor surface (53) forms a first mould edge (66); arranging a fibre material (74) on a moulding surface (52) adjacent to the junction and the first side (63); infusing the fibre material (74) with a resin (75) and curing the infused fibre material (74) to manufacture the composite part (70) having a first part edge (73) being formed by the junction, wherein the material of the first side (63) is chemically inert with the resin (75).
B29C 70/54 - Component parts, details or accessoriesAuxiliary operations
B29C 70/44 - Shaping or impregnating by compression 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
B29L 31/08 - Blades for rotors, stators, fans, turbines or the like, e.g. screw propellers
99.
DEBAGGING SYSTEM AND METHOD FOR USE IN A DEBAGGING PROCESS DURING THE MANUFACTURE OF A WIND TURBINE BLADE
A debagging system (100) for use in a debagging process during the manufacture of a wind turbine blade is provided. The debagging system comprises: a debagging tool (110, 210), and conveying means configured to moving the debagging tool along a longitudinal direction of a mould for manufacturing a wind turbine blade part. The debagging tool (110, 210) comprises: a lifting bar (112, 212) for insertion under infusion tools (50) and lifting the infusion tools (50) during the debagging process, the lifting bar (112, 212) having a first end and a second end, and a support frame (120, 220) for carrying the lifting bar, wherein the lifting bar (112, 212) is coupled to the support frame (120, 220), and wherein the debagging tool is suspended from the conveying means so that the debagging tool during use can be arranged above the mould and be moved along the longitudinal direction of the mould.
B29C 70/54 - Component parts, details or accessoriesAuxiliary operations
B29C 70/44 - Shaping or impregnating by compression 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
The present disclosure relates to a method for manufacturing a blade segment for a segmented wind turbine blade, and a resulting segment for a segmented wind turbine blade as well as the segmented wind turbine blade. In particular, the blade segment comprises a female spar part defining an inner cavity and having a longitudinal inner end and an opposite longitudinal open end towards an end face of the blade segment, a first spar cap connected to an inner surface of a first shell portion and comprising a first primary spar cap portion. The blade segment further comprises a first secondary spar cap portion affixed to a first outer surface of the female spar part. The first secondary spar cap portion is glued to the inner surface of the first shell portion and/or to the first primary spar cap portion forming a glue interface between the first secondary spar cap portion and the inner surface of the first shell portion and/or the first primary spar cap portion.
