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AssigneeVestas Wind Systems A/S
InventorsMikkel Møller Madsen, Mikkel Pihl Jensen
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The invention relates to a method of manufacturing a tower (2) for an offshore wind turbine as well as such a tower. The method comprises providing the tower, mounting a crane (5) to an outer surface of the tower, and transporting the tower to the installation site of the wind turbine after the mounting of the crane. The crane comprises a base part (6) fixedly mounted to the tower, and a crane arm (7) pivotally connected to the base part at a first end (8). The method may further comprise a step of testing and certifying the crane according to a predetermined standard before the step of transporting the tower to the installation site. By application of the invention, the amount of installation work to be performed at the installation site can be minimized. In some embodiments of the invention, the crane arm has a shape matching the outer surface of the tower.
A method of manufacturing a tower for an offshore wind turbine, wherein the tower is adapted to have, after installation of the wind turbine, a lower end thereof mounted to a tower support and an upper end mounted to a nacelle, the method comprising the steps of:
Dependencies are inferred from the claim text.