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

Claim 18:
19. A generator-gearbox assembly for a wind turbine, comprising:
a generator having a generator rotor;
a gearbox comprising an output shaft; and
a connection assembly, the connection assembly comprising:
a hub abutment surface provided at an end of the output shaft and comprising a plurality of shaft bolt holes;
a hub associated with the generator rotor and comprising a body and a first connecting portion having a shaft abutment surface facing towards the hub abutment surface and at least one elongated slot extending through the first connecting portion, the number of elongated slots being less than or equal to the number of shaft bolt holes; and
a plurality of fasteners fixedly connecting the hub to the hub abutment surface, each fastener extending through a respective elongated slot and a shaft bolt hole,

wherein at least one of the plurality of shaft bolt holes in the hub attachment surface is at least partially blocked by the hub to prevent a fastener from extending through a respective elongated slot and the at least one of the plurality of shaft bolt holes.