Patent ID: 11873794
Assignee: VESTAS WIND SYSTEMS A/S
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC F  Y | IPC F

Claim 14:
15. A method of connecting an output shaft of a gearbox of a wind turbine to a generator of the wind turbine; the method comprising the steps of:
providing a hub abutment surface at an end of the output shaft, the hub abutment surface comprising a plurality of shaft bolt holes;
providing a hub associated with a generator rotor of the generator, the hub comprising a body and a first flange extending from the body, the first flange having a shaft abutment surface for abutment of the hub abutment surface and one or more elongated slots extending through the first flange, the number of elongated slots being less than the number of shaft bolt holes;
arranging the hub abutment surface to abut the shaft abutment surface;
providing a plurality of fasteners;
inserting the fasteners successively through the one or more elongated slots and the plurality of shaft bolt holes; and
securely fastening the fasteners.