Abstract: Devices, systems, and methods of improving heat transfer between a composite wind turbine blade surface are provided to reduce cure time. The assembly includes molds having heating wires disposed proximate the mold surface for delivering heat to the composite blade during layup and/or resin cure. Additionally, the vacuum bag disposed on top of the composite part includes a plurality of fluid channels for distributing a thermal fluid (e.g. heated/cooled water, air or oil) across the composite surface (opposite the mold surface).

Abstract: A manufacturing arrangement realized for manufacturing a rotor blade, including a pair of tracks arranged along the longitudinal sides of a blade mold; a first gantry assembly realized to span the track pair and to carry a first tool arrangement including at least a fiber distributor for distributing a fiber material into the blade mold; a second gantry assembly realized to span the track pair and to carry a second tool arrangement realized to carry a supply of fiber material and to provide the fiber material to the fiber distributor; and a control arrangement realized to effect a coordinated movement of the gantry assemblies along the track pair and to coordinate the operation of the second tool arrangement with the operation of the first tool arrangement is provided. A fiber mat magazine; a manufacturing line; a method of manufacturing a rotor blade; and a rotor blade, is also provided.

Abstract: A method of forming a wind turbine blade is provided which includes upper and lower blade mold halves, and a shear web having at least one aperture formed therein. A plurality of bulkheads are attached to the shear web and the shear web can be lifted and rotated, without need for a complex gantry/galactica apparatus, to be placed inside the lower blade mold. The upper mold half can then be closed with the shear web and bulkhead(s) disposed within the blade interior. A heating fluid can be pumped into the interior to pass through the bulkheads, circulating around the shear web and exiting the blade root with the assistance of a sump to pull the cold air outside the blade.

Abstract: A manufacturing arrangement realized for manufacturing a rotor blade, including a pair of tracks arranged along the longitudinal sides of a blade mold; a first gantry assembly realized to span the track pair and to carry a first tool arrangement including at least a fiber distributor for distributing a fiber material into the blade mold; a second gantry assembly realized to span the track pair and to carry a second tool arrangement realized to carry a supply of fiber material and to provide the fiber material to the fiber distributor; and a control arrangement realized to effect a coordinated movement of the gantry assemblies along the track pair and to coordinate the operation of the second tool arrangement with the operation of the first tool arrangement is provided. A fiber mat magazine; a manufacturing line; a method of manufacturing a rotor blade; and a rotor blade, is also provided.

Abstract: Devices, systems, and methods of manufacturing wind turbine root attachment are provided. In various embodiments, an assembly for wind turbine root attachments includes a bushing, a core, and a filler. The bushing includes a body having cutouts extending from the proximal end to the distal end on either side of the bushing and a core cutout at the distal end. The bushing further includes an ear disposed at the proximal end of the bushing and within the first cutout. The core includes two wedges where the thick end of each wedge abut one another. The thin end of the proximal wedge is disposed within the core cutout and the core includes cutouts extending from the proximal end to the distal end on either side of the core. The filler is disposed within the cutout on the side of the assembly having the ear.

Abstract: The present invention relates to a method and to a mould system (70) for manufacturing a shear web for a wind turbine blade as well as to a backing plate (66) for such method and mould system. The method involves arranging one or more fibre layers on top of a web mould part (61), arranging backing plates (66) at each end to create a mould cavity between the first and second backing plate (66, 68) and the web mould part (61). Each backing plate (66, 68) comprises an inner moulding surface (80), outer surfaces (98, 100) and a channel (82) or groove (83) extending between at least one of the outer surfaces (98, 100) and the inner moulding surface (80). Resin is supplied to the mould cavity via each channel or groove of the first and second backing plate (66, 68), and subsequently the resin is cured or hardened to form the shear web.

Abstract: A manufacturing arrangement realized for the manufacture of a rotor blade, including a pair of tracks arranged along the longitudinal sides of a blade mold, a first gantry assembly realized to span the track pair and to carry a first tool arrangement, which first tool arrangement includes at least a fiber distributor, a second gantry assembly realized to span the track pair and to carry a second tool arrangement, and a control arrangement realized to effect a coordinated movement of the gantry assemblies along the track pair and to coordinate the operation of the second tool arrangement with the operation of the first tool arrangement, is provided. A manufacturing line, a method of manufacturing a rotor blade, and a wind turbine rotor blade are further provided.

Abstract: The disclosure presents a wind turbine blade and a method of manufacturing a wind turbine blade, wherein the wind turbine blade is manufactured as a composite structure comprising a reinforcement material embedded in a polymer matrix, the method comprising: providing a first blade mould with a first blade shell part having a leading edge, a trailing edge, and a first leading edge glue surface at the leading edge, the first blade mould comprising a first leading edge flange; providing a second blade mould with a second blade shell part having a leading edge, a trailing edge, and a second leading edge glue surface at the leading edge, the second blade mould comprising a second leading edge flange; applying glue to a leading edge glue surface; providing one or more leading edge spacer elements at a leading edge flange; arranging the second blade mould on the first blade mould, such that the one or more leading edge spacer elements are arranged between the first leading edge flange and the second leading edge fla

Abstract: A manufacturing arrangement for the manufacture of a rotor blade, including a pair of tracks arranged along the longitudinal sides of a blade mold, a first gantry assembly realized to span the track pair and to carry a first tool arrangement including at least a fiber distributor for distributing a fiber material into the blade mold, a second gantry assembly realized to span the track pair and to carry a second tool arrangement including at least a handling tool for handling a cover sheet for the fiber distributor, which cover sheet is realized to apply pressure to the distributed fiber material, and a control arrangement realized to effect a coordinated movement of the gantry assemblies along the track pair and to coordinate the operation of the second tool arrangement with the operation of the first tool arrangement, is provided.

Abstract: A method of guiding lightning to a lightning receptor of a rotor blade for a wind turbine, wherein the method includes the following steps: Generating a vortex of airflow by means of a vortex generator, the vortex generator being located at the surface of the rotor blade; attracting the lightning by the vortex; guiding the lightning to the lightning receptor is provided. Furthermore, the invention relates to a rotor blade for a wind turbine, wherein the rotor blade comprises a vortex generator for generating a vortex of airflow, the vortex generator being located at the surface of the rotor blade, and a lightning receptor for receiving an electrical current from the lightning. The vortex generator and the lightning receptor are arranged such with regard to each other that the lightning is guided to the lightning receptor by the vortex which is generated by the vortex generator.

Abstract: A mounting ring arrangement adapted for alignment of root bushings in a rotor blade root end during a rotor blade assembly step includes a mounting ring segment; and a partial mounting ring, which partial mounting ring is a closed annular component and includes a recess dimensioned to accommodate the mounting ring segment. A method of manufacturing a rotor blade, includes (A) arranging a fiber layup in a first blade mold and arranging a fiber layup in a second blade mold; (B) arranging the partial mounting ring of a mounting ring arrangement in the first blade mold and arranging the mounting ring segment of the mounting ring arrangement in the second blade mold; and (C) joining the first and second blade molds such that the partial mounting ring and the mounting ring segment join to form a full mounting ring.

Abstract: A method of controlling a wind turbine having a nacelle, a rotor, a rotating hub, a first rotor blade and at least a second rotor blade, both rotor blades being mounted to the hub. The method includes measuring the strain in the first rotor blade by a strain measurement device attached to the first rotor blade; and choosing the operational parameters of the wind turbine based on the measured strain such that fatigue damage of the second rotor blade is reduced. A wind turbine is controlled by such a method.

Abstract: A supporting rod holding arrangement for manufacturing a root section of a rotor blade of a wind turbine is provided. The supporting rod holding arrangement includes an assembly of a plurality of supporting rods, each having an interface section for connecting to a hub interface of the wind turbine in an essentially circular shape such that there are gaps between the supporting rods, a plurality of first fibers in the gaps which plurality of first fibers are physically and/or chemically compatible with an injection material, and a holding device which holds the supporting rods in the essentially circular shape.

Abstract: ABSTRACT OF THE DISCLOSURE A method of manufacturing a composite panel comprises the steps of: a) Providing a first textile layer (10); b) Applying a first adhesive to at least a portion of the first textile layer (10); c) Placing a plurality of first profiles (11) adjacent to each other onto at least a portion of the first textile layer which has been contacted with the first adhesive, wherein each of the first profiles (11) comprises a foam core (12) and a reinforcement fabric (13) located on the foam core (12) and wherein each of the first profiles (11) is obtained by bonding a respective foam core (12) to a respective pre-formed reinforcement fabric (13); d) Applying a second adhesive to at least a portion of the reinforcement fabrics (13) of the first profiles (11); e) Placing, at least once, at least one second profile (14) between two first profiles (11); and f) Providing a second textile layer (15) onto the at least one second profile (14).

Abstract: A rotor blade of a wind turbine with a first rotor blade segment and a second rotor blade segment is provided. The rotor blade has a hollow space surrounded by a shell. The first rotor blade segment is connected with the second rotor blade segment by a bolt connection. The bolt connection has a first connection of the first rotor blade segment, a second connection of the second rotor blade segment, and a bolt establishing a bolted joint between the first connection and the second connection. At least the bolt is situated in the hollow space of the rotor blade. Furthermore, a method of connecting a first rotor blade segment of a rotor blade of a wind turbine and a second rotor blade segment of the rotor blade is provided.

Abstract: Manufacturing a blade by arranging a plurality of layers are in a mould. A matrix material is injected, through an inlet which is partly integrated into an inner surface of the mould, into the plurality of layers injecting the matrix material.

Abstract: A wind turbine tower is made of reinforced concrete with fiber rovings as reinforcements, wherein the fiber rovings are basalt fiber rovings. In one embodiment, the basalt fiber rovings may include, for example, a bundle of multiple parallel oriented basalt fibers forming a thin rope. In one embodiment, the tower is produced in a slip forming process or slip molding process, wherein the basalt fiber rovings are embedded in the concrete during the slip forming process.

Abstract: Producing a composite structure comprising fibre reinforced material impregnated with liquid resin by means of vacuum assisted resin transfer moulding, by method of: providing a forming structure comprising a rigid mould part and a second mould part; placing the fibre material in the rigid mould part; sealing the second mould part against the rigid mould part, forming a mould cavity; connecting a source of uncured fluid resin to at least one resin inlet communicating with the mould cavity; connecting at least one vacuum outlet communicating with the mould cavity; evacuating the interior of the forming structure through at least one vacuum outlet, measuring at least one vacuum outlet airflow level; supplying uncured resin from the source of uncured resin to the mould cavity through at least one resin inlet so as to fill the mould cavity with resin; and curing the resin in order to form the composite structure.

Abstract: A facility for manufacturing a rotor blade of a wind turbine is provided. The facility includes an injection machine for injecting an injection material into a mold to form the rotor blade, a movable tank system for accommodating precursor material to be supplied to the injection machine for preparing the injection material, wherein the movable tank system has wheels for moving the tank system. Further, a method for setting up a facility and a method for manufacturing a rotor blade are described.

Abstract: A method for forming a profile for a hollow component is provided. A first composite fiber layer is laid out on a first surface corresponding to a first profile section of the component. A second composite fiber layer is laid out in a second surface corresponding to a second profile section of the component. A collapsed bag is laid out in onto the first composite fiber layer. The bag and the first composite fiber layer are fixed to the first surface. First and second mould elements are coupled such that the first surface and the second surface correspond to the first and second profiles. The bag is inflated such that the first composite fiber layer is pressed to the first surface and the second composite fiber layer is pressed to the second surface so that the first and second layers are coupled to form the profile.