Lm Wp Patent Holding A/s

Lm Wind Power A/s

Lm Wind Power International Technology Ii Aps

Lm Glasfiber A/s

Lm Wind Power US Technology Aps

Lars Nielsen

Klavs Jespersen

Kristian Lehmann Madsen

Martin Dahl

Jesper Hasselbalch Garm

Michael Lund-Laverick

Jens Zangenberg Hansen

Michael Koefoed

Tim Møller Hansen

Ya Min Jørgensen

Rasmus C Ostergaard

Torsten Lauridsen

Morten Rask-Nielsen

Artur Ferfecki

Rasmus C ØStergaard

Method for manufacturing a wind turbine blade comprising an aerodynamic shell forming an outer surface of the blade and at least one main laminate, the method comprising; providing a mould, forming a main laminatein the mould by providing a fibre lay-up comprising a plurality of fibre plies placed on top of each other in the mould, dividing the fibre lay-up into at least two segments as seen in the longitudinal direction of the mould by at least one transverse flow barrierin the lay-up preventing longitudinal resin flow through the fibre lay-up past the flow barrier

Method of manufacturing a wind turbine blade

The present invention relates to a method of manufacturing a wind turbine blade, comprising arranging one or more layers of fibre material and a preform in a mould (), injecting the one or more layers of fibre material and the preform () with a curable resin, and curing the resin. The preform () is impregnated with a curing promoter such that the concentration of curing promoter varies spatially within the preform.

Disclosed is a wind turbine blade and a method of for attaching one or more components to a sandwich structure element of a wind turbine blade. The Wind turbine blade comprising a bushing inserted through a hole provided through a sandwich structure element, and a first component attached to a first bushing part and an elastically compressible element being arranged between a first component surface of the first component and a first side of the sandwich structure element.

Attachment to a sandwich structure element

The present invention relates to a method of manufacturing a wind turbine blade (), comprising the steps of placing a fibre lay-up including one or more fibre layers on the mould surface of a blade mould (), arranging a load-bearing structure () and a core member () on the fibre lay-up such that the core member () is arranged between the load-bearing structure () and the leading edge () and/or between the load-bearing structure () and the trailing edge (), and infusing resin into the blade mould to impregnate the fibre lay-up. The core member () comprises a first hole () with a circular cross section, a first cylindrical insert () rotatably arranged within the first hole () of the core member (), the first cylindrical insert () having a central axis (). A recess () is formed in the first cylindrical insert (), wherein the recess () is arranged eccentrically with respect to the central axis () of the first cylindrical insert ().

Method of manufacturing wind turbine blade with core member and wind turbine blade with structural member

The present invention relates to a method for manufacturing a wind turbine blade shell part made of a fibre-reinforced composite structure, including steps of mounting a plurality of fastening devices on a mounting plate to form a root end assembly, the mounting plate comprising one or more first openings for evacuating air; arranging the root end assembly over a mould surface of a mould; arranging an air-tight cover member so as to form a mould cavity; evacuating air from the mould cavity via at least the one or more first openings of the mounting plate; and supplying a polymer into the mould cavity and allowing the polymer to cure so as to form the composite structure. A root end assembly for use in the method is also provided.

Manufacturing a wind turbine blade shell part

The present invention relates to a method of manufacturing a wind turbine blade using a two-step curing process, wherein the second curing is performed in the presence of a resin flow medium () comprising a curing inhibitor.

Method of manufacturing a wind turbine blade with fewer manufacturing defects

The present invention relates to a method for manufacturing a wind turbine blade part. The method comprises providing one or more wind turbine blade components including a wind turbine blade component comprising a fibre material element, an electrically conductive element, a magnetic field generator for generating an Eddy current in the electrically conductive element; arranging the electrically conductive element, the magnetic field generator, and the fibre material element such that at least a part of the fibre material element is positioned between the electrically conductive element and the magnetic field generator; generating an Eddy current in the electrically conductive element using the magnetic field generator; generating, using a magnetic sensor, a signal representing a magnetic field induced by the generated Eddy current, and forming the wind turbine blade part by assembling the wind turbine blade components.

A fabric and a method for making the same. The fabric includes a layer of unidirectionally oriented carbon fibre filaments sandwiched between a first layer of glass fibre rovings and a second layer of glass fibre rovings. The first layer of glass fibre rovings and the second layer of glass fibre rovings are linked by a connecting material.

Fabric containing unidirectional reinforcement fibre

The present invention relates to a method and a mould system () for manufacturing at least two preforms for moulding a wind turbine blade. The preforms include at least one preform of a first shape and at least one preform of a second shape. The preform mould structure () has a moulding surface () of variable shape such that the shape of the moulding surface () can be varied at least between a first and a second configuration by using actuators.

Method of manufacturing at least two preforms for moulding a wind turbine blade

The present invention relates to a method and system for manufacturing a wind turbine blade. The method comprising the steps of forming a cured blade element () of a first blade shell, forming a cured blade element () of a second blade shell, transferring the cured blade element () of the first blade shell to a first cradle (), and transferring the cured blade element () of the second blade shell to a second cradle (). Each cradle comprises a mould body () having a moulding surface for abutting against a surface of the cured blade element to advantageously form a seal therebetween.

System and method for manufacturing a reinforced wind turbine blade

This invention relates to a method of manufacturing a wind turbine blade and a wind turbine blade thereof. A central core element and a plurality of side core elements are sandwiched between first layers and second layers of a first fibre material. The central core element is spaced apart from the side core elements to form a first and a second recess. This sandwich structure is then impregnated with a first resin and cured in a first step. Layers of a second fibre material of a first and a second main laminate are laid up in the first and second recesses. The first and second main laminates are then impregnated with a second resin and cured in a second step.

Wind turbine blade and a method of manufacturing the wind turbine blade

The present invention relates to wind turbine blade and a method of manufacturing the wind turbine blade. An aerodynamic shell is provided with a recess () at its inner surface, the recess () extending with-in the shell along a spanwise direction of the blade. A first region of the recess () has a first width and a second region of the recess () has a second width exceeding the first width. A transition region is provided between the first region and the second region of the re-cess. A first and a second spar cap () are arranged within the shell.

Wind turbine blade with multiple spar caps

This invention relates to a kit for manufacturing a wind turbine blade component, a method of manufacturing such a wind turbine blade component and a wind turbine blade component thereof. The individual panel sections are interlocked via interlocking devices arranged between adjacent panel sections. The interlocking device comprises first engaging element for engaging the adjacent panel sections, wherein the interlocking device is forced into the panel section by applying force to the interlocking device.

Device and a method of aligning core elements using such device

The present disclosure relates to a method for detecting a fibre misalignment in an elongated structure, such as a wind turbine blade component. The elongated structure has a length along a longitudinal direction and comprises a plurality of stacked reinforcing fibre layers. The plurality of fibre layers comprises fibres having an orientation aligned, unidirectionally, substantially in the longitudinal direction. The method comprises scanning a surface of the elongated structure for identifying one or more surface irregularities, selecting one or more regions of interest comprising said one or more surface irregularities, examining said region of interest using penetrating radiation, and determining a position and/or size of the fibre misalignment based on said examining step.

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Skanderborg, Denmark

Lars Nielsen