Patent ID: 9611837
Date: 2017-04-04
CPC Classifications: F03D,F05B,Y02E,Y10T

Claim:
1. A wind turbine, comprising: a tower having an interior, an exterior, a lower end, and an upper end; a nacelle coupled to the tower adjacent the upper end thereof and movable relative to the tower to define at least two yaw positions of the nacelle; a rotor coupled to the nacelle and including a hub and at least one blade extending therefrom, the rotor configured to interact with the wind to rotate the rotor; and an access apparatus disposed about the tower adjacent the upper end thereof, the access apparatus defining a passageway into the nacelle that is exterior of the tower, and the access apparatus providing access to the nacelle in the at least two yaw positions of the nacelle, wherein the tower includes at least one sidewall that defines the interior and exterior of the tower, the tower further comprising: