Patent ID: 9546573
Date: 2017-01-17
CPC Classifications: F01D,F03D,Y02E,Y02P,Y10T

Claim:
1. A method for installing an inner blade part of a wind turbine blade, for a partial pitch wind turbine blade, comprising, an inner blade part and an outer blade part, said inner blade part comprising a first flange at a first end for connection to a hub flange at a wind turbine hub and a second flange at a second end for connection to the outer blade part and being a free flange on a pitch bearing, said first and second flanges and said hub flange all comprising a number of at least one of bolts and bolt holes, said method comprising the steps of: hoisting said inner blade part and arranging said inner blade part in relation to said hub flange, wherein the method further comprises at least the following steps: bracket flange means for connection to said number of at least one of bolts and bolt holes at said second flange on the inner blade part, said bracket flange means comprises a first surface and an opposite second surface, wherein said first surface is arranged for interfacing with the second flange at said inner blade part, at least one lifting lug and at least one counter weight;