Abstract: The present invention relates to a method of manufacturing a wind turbine blade. The method comprises adhesively joining a suction side shell half (69) and a pressure side shell half (68) along respective bond lines (80) at their leading and trailing edges, wherein, prior to joining, an impregnated carrier substrate (76) is arranged in between the shell halves along at least part of said bond lines (80). The carrier substrate (76) is impregnated with at least one compound having a functional moiety. The shell halves may be manufactured by placing a fibre lay-up including one or more fibre layers on a mould surface (66), arranging the impregnated carrier substrate (76) on the inside surface (72) at least along part of its peripheral edge (74) and injecting or infusing the fibre lay-up and the impregnated carrier substrate with a resin and subsequently curing the same.

Abstract: A wind turbine blade bushing system for arrangement in a root end of a wind turbine blade is described. The wind turbine blade bushing system comprises a threaded element for retaining a mounting bolt for a wind turbine blade, the threaded element being formed from a first material; and an anchor element for arrangement at the root end of the wind turbine, wherein the anchor element acts to at least partly retain the threaded element in the wind turbine blade, the anchor element being formed from a second material. The first material has a higher strength and higher fracture toughness than the second material.

Abstract: The invention relates to a portable heating system that in a first instance provides heat and in a second instance provides a source of electrical current from thermo electric modules where the produced electrical energy is intended to be forwarded to a rechargeable battery. The rechargeable battery serves as a current source for the portable heating system e.g. for driving the fuel pump and air fans. When the rechargeable battery is replenished with electrical energy a control is configured to switch the by the thermo electrical modules generated electrical energy to selected power consumers arranged with the portable heating system in order to facilitate the thermo electrical modules to keep the intended quality serving as a heat pump for transferring the produced heat from a burner to a transportation media for releasing the heat in the designated intended area.

Abstract: A hybrid material mat for use in the manufacture of fibre-composite articles, in particular parts for wind turbine blades, is described. The mat comprises a plurality of glass fibre rovings provided on top of a relatively thin planar substrate of carbon fibres. Such a hybrid mat construction provides for an improvement in the structural properties of a component manufactured using the mat, as well as allowing for ease of handling and manufacturing of both the mat itself and the component.

Abstract: The present invention relates to a method of manufacturing a wind turbine blade. The method comprises adhesively joining a suction side shell half (69) and a pressure side shell half (68) along respective bond lines (80) at their leading and trailing edges, wherein, prior to joining, an impregnated carrier substrate (76) is arranged in between the shell halves along at least part of said bond lines (80). The carrier substrate (76) is impregnated with at least one compound having a functional moiety. The shell halves may be manufactured by placing a fibre lay-up including one or more fibre layers on a mould surface (66), arranging the impregnated carrier substrate (76) on the inside surface (72) at least along part of its peripheral edge (74) and injecting or infusing the fibre lay-up and the impregnated carrier substrate with a resin and subsequently curing the same.

Abstract: A wind turbine blade (1) is formed of a fiber-reinforced composite material comprising a polymer matrix. The blade (1) further comprises a first region (11), a second region (12) and a transition region (13) between the first and the second region (11, 12). The first region (11) is reinforced predominantly with a first reinforcement fiber material (21). The second region (12) is reinforced predominantly with a second reinforcement fiber material (22). The first and the second reinforcement fiber material differ from each other and has differing E-modulus. The transition region (13) additionally comprises a third type of reinforcement fiber material (23) differing from both the first and the second reinforcement fiber material (21; 22) and having an E-modulus between that of the first reinforcement fiber material (21) and that of the second reinforcement fiber material (22).

Abstract: Wind turbine blade has a longitudinal direction and includes a shell structure made of a fiber-reinforced polymer material including a polymer matrix and reinforcement material comprising a plurality of carbon fiber layers embedded in the polymer matrix. At least a portion of the shell structure is formed of a laminate 6 comprising at least one metal filament layer 15, 18 comprising metal filaments and being sandwiched between two carbon fiber layers 16, 16; 17, 18 comprising carbon fibers only. The carbon fiber layers are arranged contiguously with the metal filament layer.

Abstract: A hybrid material mat for use in the manufacture of fibre-composite articles, in particular parts for wind turbine blades, is described. The mat comprises a plurality of glass fibre rovings provided on top of a relatively thin planar substrate of carbon fibres. Such a hybrid mat construction provides for an improvement in the structural properties of a component manufactured using the mat, as well as allowing for ease of handling and manufacturing of both the mat itself and the component.

Abstract: The wind turbine blade (1) includes a structure made of a fibre reinforced polymer material including a polymer matrix and fibre reinforcement material embedded in the polymer matrix. The fibre reinforcement material includes carbon fibres that have been produced by carbonisation of a precursor to a carbonisation degree of 60% to 80%.

Abstract: A wind turbine blade (1) is formed of a fibre-reinforced composite material comprising a polymer matrix. The blade (1) further comprises a first region (11), a second region (12) and a transition region (13) between the first and the second region (11, 12). The first region (11) is reinforced predominantly with a first reinforcement fibre material (21). The second region (12) is reinforced predominantly with a second reinforcement fibre material (22). The first and the second reinforcement fibre material differ from each other and has differing E-modulus. The transition region (13) additionally comprises a third type of reinforcement fibre material (23) differing from both the first and the second reinforcement fibre material (21; 22) and having an E-modulus between that of the first reinforcement fibre material (21) and that of the second reinforcement fibre material (22).

Abstract: Wind turbine blade has a longitudinal direction and includes a shell structure made of a fibre-reinforced polymer material including a polymer matrix and reinforcement material comprising a plurality of carbon fibre layers embedded in the polymer matrix. At least a portion of the shell structure is formed of a laminate 6 comprising at least one metal filament layer 15, 18 comprising metal filaments and being sandwiched between two carbon fibre layers 16,16;17,18 comprising carbon fibres only. The carbon fibre layers are arranged contiguously with the metal filament layer.

Abstract: A method of joining at least two parts by adhesion is provided, the method including arrangement of a porous layer in the adhesive joint for taking up excess adhesive outside the adhesive joint as such. An element is also provided—including in particular a blade for a wind turbine—which is combined by adhesion of several parts, and wherein a porous layer is at least partially comprised in and at least partially protrudes from the adhesive joint between the parts and takes up excess adhesive outside the adhesive joint. The porous layer may be of a mesh-like structure or may have the structure of a sponge and may furthermore be entirely or partially pre-impregnated with adhesive.

Abstract: The present invention relates to a method of manufacturing a fiber-reinforced laminate (101), which laminate comprises at least one area on the surface of the laminate configured with projecting fibers for being joined to one or more other elements. This is accomplished by arrangement of a hybrid mat (505) most distally in the laminate which comprises at least two layers with fibers (105) transversally across the joining face (402) of the layers. The outermost layer (301) of the hybrid mat is removed prior to joining, whereas the innermost layer (506) of the hybrid mat remains a constituent of the laminate (101). The invention relates to different methods of causing fibers to project from the surface of the laminate, said fibers thus having a reinforcing effect on the joints. The invention also relates to a laminate manufactured by the disclosed methods and a blade for a wind power plant comprising such laminate.

Abstract: The present invention relates to a method of joining at least two parts by adhesion, said method comprising arrangement of a porous layer in the adhesive joint for taking up excess adhesive outside the adhesive joint as such. The invention further relates to an element—including in particular a blade for a wind turbine—which is combined by adhesion of several parts, and wherein a porous layer is at least partially comprised in and at least partially protrudes from the adhesive joint between the parts and takes up excess adhesive outside the adhesive joint. The porous layer may be of a mesh-like structure or may have the structure of a sponge and may furthermore be entirely or partially pre-impregnated with adhesive.

Abstract: The present invention relates to a method of manufacturing a fibre-reinforced laminate (101), which laminate comprises at least one area on the surface of the laminate configured with projecting fibres for being joined to one or more other elements. This is accomplished by arrangement of a hybrid mat (505) most distally in the laminate which comprises at least two layers with fibres (105) transversally across the joining face (402) of the layers. The outermost layer (301) of the hybrid mat is removed prior to joining, whereas the innermost layer (506) of the hybrid mat remains a constituent of the laminate (101). The invention relates to different methods of causing fibres to project from the surface of the laminate, said fibres thus having a reinforcing effect on the joints. The invention also relates to a laminate manufactured by the disclosed methods and a blade for a wind power plant comprising such laminate.