A device for installing a blade assembly, a rotor unit, a wind-power plant, a method for installing a blade assembly, and use of such a device, rotor unit and wind-power plant

EP4758342A1Pending Publication Date: 2026-06-17WORLD WIDE WIND TECH AS
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Patent Information

Authority / Receiving Office
EP · EP
Patent Type
Applications
Current Assignee / Owner
WORLD WIDE WIND TECH AS
Filing Date
2024-08-08
Publication Date
2026-06-17

AI Technical Summary

Technical Problem

The installation of taller support pillars and longer blade assemblies in wind power plants complicates the installation and towing processes, increasing the risk of accidents and damage to the blades, especially in confined spaces like narrow fjord arms.

Method used

A device for installing a blade assembly at a rotor receiver unit of a vertical axis wind turbine, featuring a first installation pivot for the blade, a second and third installation pivot for the strut, and a displacement arrangement that allows the pivots to shift between a folded and extended setting, enabling the blade assembly to be connected to the rotor receiver unit during transportation and installation.

Benefits of technology

The device facilitates safe and efficient transportation and installation of blade assemblies by allowing them to be folded during transportation and extended for operation, reducing the risk of accidents and damage while accommodating taller support pillars and longer blades.

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Abstract

A device (10) for installing a blade assembly (12) at a rotor receiver unit (14) of a vertical axis wind turbine (3). The turbine is configured to be arranged at an elongated support pillar (5). The blade assembly comprises a blade (20) and a strut (22). The device comprises a first installation pivot (30) a second installation pivot (32), a third installation pivot (34) and a displacement arrangement (40) configured to hold and guide a displacement of one of the second installation pivot and the third installation pivot between a first position and a second position. The displacement of the second installation pivot or the third installation pivot is such that, in the first position, the second installation pivot or the third installation pivot is located further away from the first installation pivot than when the second installation pivot or third installation pivot is located in the second position.
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