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 February 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 has been granted a patent, as per Publication Number US11920567B2. The housing comprises a bearing body with receptacles for rotor bearings at each end, extending longitudinally along the rotor shaft's axis. A support body is coupled to a base element to transmit force between the bearing body and the tower's base. The design ensures the central points of the receptacles are outside the tower's diameter at the top end, with the spacing between them being at least as large as the tower's diameter.
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 features a connecting wall between the support body ends, with different angles on each side. The support body is inclined in the same direction at both receptacles. The housing also includes access openings, direct support for the rotor bearings, and a flowing transition between the bearing body and support body. The rotor shaft extends through the bearing body, with one receptacle facing the rotor and the other facing away. The housing is designed to be mounted to the tower's first end via a yaw system on the base element, with tapered-roller or angular-contact ball bearings for rotor shaft mounting.
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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.
