Patent ID: 8347899
Filing Date: 2013-01-08
Classification: B05B,B08B,F03D,Y02E

Abstract:
1. A wind turbine tower cleaning apparatus, comprising: a frame configured to circumferentially extend completely around a wind turbine tower; a separator structure attached to the frame and configured to extend between the frame and the wind turbine tower to position the frame a predetermined distance away from the wind turbine tower, the separator structure comprising an attachment end attached to the frame and a traversing end positionable near the wind turbine tower; a slider or roller attached to the traversing end of the separator structure and configured to slide or roll, respectively, along the surface of the wind turbine tower as the frame is raised and lowered on the wind turbine tower; a frame lift device configured to raise and lower the frame on the wind turbine tower; a frame expansion member coupled to the frame and configured to enable expansion and contraction of a circumference of the frame; and a sprayer configured to spray fluid onto the wind turbine tower.