Nordex has been granted a patent for a rotor bearing housing for wind turbines. The design includes a bearing body for the rotor shaft, a support body for force transmission, and a single-piece structure that positions the central point of the rotor bearing receptacle outside the tower diameter. GlobalData’s report on Nordex gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on Nordex, Aerial inspection drones was a key innovation area identified from patents. Nordex's grant share as of January 2024 was 66%. Grant share is based on the ratio of number of grants to total number of patents.
Rotor bearing housing for wind turbine tower
A rotor bearing housing for a wind turbine tower has been granted a patent (Publication Number: US11879440B2). The housing includes a bearing body with receptacles for rotor bearings at each end, a support body for transmitting force between the bearing body and a base element at the tower's end, and a single-piece construction. The design ensures that the central points of the receptacles are positioned outside the tower's diameter, with the spacing between them being at least as great as the tower's diameter at the end.
The support body of the rotor bearing housing has a circular symmetrical shape at the connection to the base element and an elliptical outline in cross sections above it. Additionally, the support body is inclined in a specific direction at both receptacles, with the first receptacle facing the rotor and the second facing away. The housing also features open regions and a flowing transition between the bearing body and support body, with the rotor shaft passing through the bearing body. Furthermore, the housing includes rolling bearings for mounting the rotor shaft, which can be tapered-roller bearings or angular-contact ball bearings, providing stability and efficiency to the wind turbine system.
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GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.
