Patent ID: 7901188
Filing Date: 2011-03-08
Classification: F03D,F05B,Y02E

Abstract:
1. A wind turbine blade, transversely subdivided into two or more independent modules ( 1 - 2 ) which comprise external aerodynamic walls or cases ( 4 ) and an internal longitudinal reinforcement structure, said modules are on their end sections provided with connecting means constituted of lugs ( 5 - 7 , 6 - 8 ) fixed to the internal longitudinal reinforcement structure and are provided with a hole ( 9 ) for receiving jointing elements, characterised in that said lugs axially project from the end sections, in coinciding position, approximately parallel to the axis of the modules, for receiving said joint elements consisting of an attachment screw or bolt perpendicular to the axis of the module, which screws or bolts work sheared way through the holes of each pair of facing lugs.