CPC F03D 1/0658 (2013.01) [F05B 2260/301 (2013.01)] | 7 Claims |
1. A wind turbine blade assembly, comprising:
a blade with a blade root portion;
a blade root flange;
a plurality of receptacles embedded in the blade root portion, the receptacles configured to receive hub fasteners to couple the blade root portion to a rotor hub;
a plurality of flange fasteners,
wherein the blade root flange is coupled to the blade root portion through the receptacles,
wherein one or more of the receptacles are first bushings comprising a first inner thread and a second inner thread of greater diameter than the first inner thread, and
wherein one or more flange fasteners of the plurality of flange fasteners are second bushings, the one or more flange fasteners including an outer thread that matches the second inner thread of the first bushings and a through hole of at least the same size as the first inner thread of the first bushings.
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