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US 11,111,904 B2Granted
Wind turbine blade and a wind turbine
AssigneeSiemens Gamesa Renewable Energy A/S
InventorsThomas Lehrmann Christiansen, Donato Girolamo
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AssigneeSiemens Gamesa Renewable Energy A/S
InventorsThomas Lehrmann Christiansen, Donato Girolamo
Estimating the term…
Provided is a wind turbine blade for a wind turbine, the wind turbine blade including a support element having first fibers being electrically conductive, and a fiber material having second fibers being electrically conductive, wherein the fiber material has a free portion and an overlapping portion which is at least partially attached and electrically connected to the support element, wherein an extension direction of the second fibers changes along an extension path of the second fibers, wherein a first angle is provided between the second fibers in the overlapping portion and the first fibers, wherein a second angle is provided between the second fibers in the free portion and the first fibers, and wherein the second angle is larger than the first angle.
A wind turbine blade for a wind turbine, the wind turbine blade comprising a support element having first fibers being electrically conductive, and a fiber material having second fibers being electrically conductive, wherein the fiber material has a free portion and an overlapping portion which is at least partially attached and electrically connected to the support element, wherein an extension direction of the second fibers changes along an extension path of the second fibers, wherein a first angle is provided between the second fibers in the overlapping portion and the first fibers, wherein a second angle is provided between the second fibers in the free portion and the first fibers, wherein the second angle is larger than the first angle (α1), and wherein at least one of the first fibers and the second fibers are unidirectional carbon fibers.
A wind turbine blade for a wind turbine, the wind turbine blade comprising a support element having first fibers being electrically conductive, and a fiber material having second fibers being electrically conductive, wherein the fiber material has a free portion and an overlapping portion which is at least partially attached and electrically connected to the support element, wherein an extension direction of the second fibers changes along an extension path of the second fibers, wherein a first angle is provided between the second fibers in the overlapping portion and the first fibers, wherein a second angle is provided between the second fibers in the free portion and the first fibers, wherein the second angle is larger than the first angle (α1), and wherein the fiber material comprises a weft thread extending wavelike along the extension direction of the second fibers for holding-together the second fibers.
A wind turbine blade for a wind turbine, the wind turbine blade comprising a support element having first fibers being electrically conductive, and a fiber material having second fibers being electrically conductive, wherein the fiber material has a free portion and an overlapping portion which is at least partially attached and electrically connected to the support element, wherein an extension direction of the second fibers changes along an extension path of the second fibers, wherein a first angle is provided between the second fibers in the overlapping portion and the first fibers, wherein a second angle is provided between the second fibers in the free portion and the first fibers, wherein the second angle is larger than the first angle (α1), and wherein the fiber material is a carbon fiber steered mat.
Dependencies are inferred from the claim text.