Ventilation assembly for wind turbine rotor hub
AssigneeGeneral Electric Company
InventorEwald Teipen
Life of this patent
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Abstract
A ventilation assembly for a wind turbine rotor hub is provided, the ventilation assembly comprising a frame fixedly mountable to the rotor hub, the frame including at least one opening, and a cover for said at least one opening, the cover being mounted to said frame to be freely rotatable with respect to said frame, wherein the cover has at least one ventilation opening to allow the ingress and egress of air and has a shielding member for shielding the at least one ventilation opening against ingress of liquid running down the rotor hub.
Claims19
A ventilation assembly for a wind turbine rotor hub, comprising:
- a frame fixedly mountable to the wind turbine rotor hub, the frame including at least one opening;
- and
- a cover for the at least one opening, the cover mounted to the frame to be freely rotatable with respect to the frame, wherein the cover has at least one ventilation opening to allow the ingress and egress of air and has a shielding member for shielding the at least one ventilation opening against ingress of liquid running down the wind turbine rotor hub.
A passive ventilator for a wind turbine rotor hub, comprising:
- a frame mountable to the wind turbine rotor hub, frame including at least one opening;
- and
- a fan mounted to the frame by a shaft-to-collar connection, a rotational axis of the fan substantially axially aligned with a rotational axis of the wind turbine rotor hub, and the fan freely rotatable with respect to the frame.
Dependencies are inferred from the claim text.