Patent ID: 9228566
Filing Date: 2016-01-05
CPC Classification: F03D,F05B,Y02E

Claim Text:
1. A wind turbine comprising a nacelle and a tower supporting the nacelle, the tower having an interior enclosed from an exterior by a tower wall which forms a heat exchange surface between the interior and the exterior in a recirculating air cooling circuit wherein the tower interior forms a first channel configured to guide hot air along a flow path, and wherein the recirculating air cooling circuit comprises a second channel, the second channel including a conduit portion separated from the tower wall and extending upwardly from a lower section of the tower interior, wherein the tower interior comprises a series of interior spaces separated by floors comprising apertures connecting the interior spaces, and wherein the at least one of the interior spaces comprises an air flow deflector arranged within the flow path in the first channel and configured to guide the flow horizontally towards the tower wall.