Patent ID: 8207624

Claim:
Wind turbine driven by a rotor with at least two blades which includes a rotor shaft ( 11 ), a multiplier unit ( 3 ) with, at least, a planetary type stage and a generator into a nacelle ( 1 ), of the type in which the rotor shaft ( 11 ) is fitted to two separated bearing supports, one of them integrated in the multiplier unit ( 3 ), characterised by: a) the rotor shaft ( 11 ) is joined on one side to the hub and on the other side to the planet carrier ( 21 ) of the multiplier unit; b) it also includes a first tubular-form casing ( 13 ), fixed to the nacelle( 1 ), that holds the rotor shaft ( 11 ) in it and includes a bearing ( 15 ) of the rotor shaft ( 11 ) near the hub; c) it also includes a second casing ( 17 ), in which the bearing ( 19 ) of the planet carrier ( 21 ) is placed, which is fixed on one of its sides to the first planetary stage gear ring of the multiplier unit ( 3 ), and on the other side to the first casing ( 13 ) and also to the nacelle ( 1 ).