Patent ID: 8033791
Filing Date: 2011-10-11
Classification: F03D,Y02E

Abstract:
1. A blade end portion protecting bag for protecting a blade end portion for a wind turbine which includes a nacelle supported on the top of a tower and a rotor having a rotor head and a plurality of blades, the rotor being raised up and installed to the nacelle in assembling a wind turbine, the blade end portion protecting bag being used in installing the rotor and comprising: an end bag fit onto the blade end portion to cover the same in a predetermined length from the end of the blade, at least two belt-like members disposed to radiate from a center portion virtually provided outside the end bag, the at least two belt-like members being fixed to the outer surface of the end bag in its circumference, wherein foot portions of the belt-like members are bunched up at the center portion, and a control rope is connected to the belt-like members at the center portion.