Method and assembly for mounting rotor blade bearings of a...

Details Method and assembly for mounting rotor blade bearings of a... Method and assembly for mounting rotor blade bearings of a...

2008-12-18

2010-11-16

Bryant, David P (Department: 3726)

Metal working

Method of mechanical manufacture

Impeller making

C416S131000, C416S13200B, C416S147000, C029S256000, C029S258000, C029S259000

Reexamination Certificate

active

07832101

ABSTRACT:
A method and an assembly for fastening at least one screw nut to be tightened of a rotor blade bearing of a wind turbine are provided. A screw nut driver assembly is provided at a rotatable portion of the rotor blade bearing, the screw nut driver assembly being adapted to automatically tighten the at least one screw nut. The screw nut driver assembly is aligned with the screw nut to be tightened by rotating the rotatable portion with a pitch drive of the wind turbine. Then the screw nut is tightened using the screw nut driver assembly.

REFERENCES:
patent: 2372416 (1945-03-01), Fairhurst

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