Blade Dynamics Limited

Lm Wind Power A/s

Lm Wind Power R & D (holland) B.v.

Manish Mukherjee

Michael Lund-Laverick

Andrea Avaldi

Chris Paul Swatton

Harry George James Fish

Mark Hancock

Harald Behmer

Michael Wenani Nielsen

Jelmer Cnossen

Paul Todd

David Roberts

Michael Drachmann Haag

Laszlo Bartha

Tobias Bergner

Lars Bang Jønsson

Aydin Raeis Hosseiny

Sigmund Wenningsted

Jeppe Wendelboe

Lazlo Bartha

Disclosed is a wind turbine blade extending from a root end to a tip end, the wind turbine blade comprising a root region, and an airfoil region comprising the tip, a pressure side, a suction side and a chord extending between a leading edge and a trailing edge. The wind turbine blade comprises a leading edge protection element at the leading edge of the wind turbine blade. The leading edge protection element extends in a longitudinal direction between an outboard end and an inboard end and comprises a first section extending from the outboard end to a first section position, wherein the first section is made of a first erosion protection material having a first erosion resistance, and a second section extending from the first section position to a second section position, wherein the second section is made of a second erosion protective material having a second erosion resistance. The first erosion resistance is larger than the second erosion resistance.

Leading edge protection for a wind turbine blade

Disclosed is a blade mould system for manufacturing of a wind turbine blade shell, the blade mould system comprising a blade mould having a moulding surface for defining an outer shape of a blade shell part, the blade shell part having an outer surface facing the moulding surface and an inner surface facing away from the moulding surface, and a first placement tool being positioned at a first placement tool position relative to the blade mould, the placement tool being adaptable between a first configuration and a second configuration. The first placement tool being configured to engage with a blade component being in a primary component position and position the blade component at a secondary component position relative to the moulding surface by the first placement tool attaining the second configuration, wherein the blade component is configured to be attached to the blade shell part in the secondary component position, wherein the first placement tool comprises a first movable part and a first stationary part.

Wind turbine blade tool and method for producing a wind turbine blade

A wind turbine rotor blade () is provided with a lightning protection device () and a leading edge member (), the leading edge member () comprising an erosion shield (), deicing means, and an electrically conductive outer surface () which is operatively connected to the lightning protection device (). The invention also relates to the use of the leading edge member () for providing leading edge erosion protection, ice mitigation and lightning protection of a wind turbine rotor blade.

Wind turbine rotor blade with a leading edge member

A method for manufacturing a blade shell part of a wind turbine blade includes providing a mould for manufacturing a blade shell part of the wind turbine blade. The mould has a first moulding side with a first moulding surface that defines an outer shape of the blade shell part. The method comprises providing a blade shell part on the first moulding surface and providing a support element and attaching the support element to a fastening section of the blade shell part. Attaching the support element includes applying adhesive between the support element and the fastening part. The method also includes providing an air heating assembly having a cover extending in a longitudinal direction between a first cover end and a second cover end and extending in a transverse direction between a primary cover end and a secondary cover end, the cover defining a cavity.

Method for manufacturing a wind turbine blade using an air heating assembly

The present invention relates to a non-woven fabric comprising one or more fibre layers each comprising a plurality of fibres arranged along a fibre direction, wherein the non-woven fabric comprises a plurality of stitching rows, each stitching row comprising one or more threads arranged along a stitch direction, for maintaining arrangement of the plurality of fibres in the one or more fibre layers relative to each other, wherein at least one thread comprises a binding agent. The present invention further relates to preforms comprising the non-woven fabric according to the present invention and methods for producing the non-woven fabric, preforms and wind turbine blades.

Fabric comprising binding agent threads

A shell core () configured for being incorporated in a shell of a fiber reinforced polymer composite structure wherein:

Shell core and wind turbine blade having a blade shell comprising such a shell core

Disclosed is a wind turbine blade and a method for its manufacture. The wind turbine blade comprises an upwind side shell part, a downwind side shell part, a leading edge and a trailing edge. A flatback web is arranged at the trailing edge, which couples the upwind side shell part with the downwind side shell part, wherein the flatback web comprises at least one U-shaped end section with a recess, into which the upwind side shell part and/or the downwind side shell part is inserted and bonded to the U-shaped end section by an adhesive.

Wind turbine blade and method for producing a wind turbine blade

The present invention relates to a method of manufacturing a wind turbine blade comprising the steps of manufacturing a pressure shell halves and arranging a spar structure () within one of the shell halves. The spar structure () comprises two parts releasably coupled to each other. The method results in a segmented wind turbine blade for easy transportation and re-assembly.

Manufacturing of segmented wind turbine blade

Disclosed is a wind turbine blade and a method for its manufacture. A lower shell part and an upper shell part are provided, each shell part having a leading edge end and a trailing edge end. A flatback profile component and web for connecting an inner surface of the lower side shell part with an inner surface of the upper side shell part are connected. The assembly which comprises the flatback profile component and the at least one web are placed on the lower shell part and the upper shell part is mounted. The wind turbine blade comprises a flatback profile component being arranged at the trailing edge, wherein the flatback profile component is coupled by at least one distance holder with at least one web, wherein the web couples the interior surface of the upwind side shell part with the interior surface of the downwind side shell part.

Method for producing a wind turbine blade and wind turbine blade

Disclosed is a blade shell section of a wind turbine blade, such as wind turbine blade with a flatback section. The blade shell section extends in a longitudinal direction from a first shell section position to a second shell section position. The blade shell section comprises a first laminate layer forming the outer surface of the blade shell section and a second laminate layer forming the inner surface of the blade shell section. The blade shell section further comprising a first shell section and a corner shell section between the contour shell section and the flatback shell section.

Blade shell section and a wind turbine blade comprising a blade shell section

The present invention relates to an access arrangement () of a wind turbine blade for accessing a hollow space within the blade. The access arrangement () comprises an access opening () provided in the blade shell member, a cover panel () for covering the access opening (), a sealing member () arranged between the cover panel () and the blade shell member, and one or more fasteners () for releasably fastening the cover panel () to the blade shell member. The present invention also relates to a wind turbine blade comprising the access arrangement ().

Access arrangement for a wind turbine blade

Disclosed is a method for sealing a joint between a first blade section and a second blade section of a wind turbine blade, a sealing member and a wind turbine blade comprising a sealing member. The sealing member having a first surface and a second surface. The sealing member having a width between a first edge and a second edge. The sealing member being configured for attachment to the first outer shell along the first edge, and for attachment to the second outer shell along the second edge. The sealing member comprising a corrugated section between the first edge and the second edge, the corrugated section comprising one or more valleys and/or ridges extending along a lengthwise direction of the sealing member.

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Hampshire, United Kingdom

Manish Mukherjee