| 摘要 |
A ventilation assembly (100) for a wind turbine rotor hub (40) is provided, the ventilation assembly (100) comprising a frame (110) fixedly mountable to the rotor hub (40), the frame (110) including at least one opening (115), and a cover (140) for said at least one opening (115), the cover (140) being mounted to said frame (110) to be freely rotatable with respect to said frame (110), wherein the cover (140) has at least one ventilation opening (165) to allow the ingress and egress of air and has a shielding member (160) for shielding the at least one ventilation opening (165) against ingress of liquid running down the rotor hub (40). |
