Wind turbine rotor comprising a hub, a plurality of blades and at least one pitch system for rotating a blade substantially along its longitudinal axis. The pitch system comprises a bearing, a gear and a pitch drive. The pitch drive is arranged on a flange and has a motor and a pinion which meshes with the gear. The flange is provided with a hole and an intermediate support is concentrically arranged with respect to the hole. The intermediate support comprises an off-center opening with respect to a central axis of the hole and the pitch drive is mounted through said off-center opening. The position of the off-center opening is such that the intermediate support can be arranged in a first and a second position in which the drive pinion meshes with a first and second section of the gear respectively.
申请公布号
WO2013045644(A3)
申请公布日期
2013.06.06
申请号
WO2012EP69235
申请日期
2012.09.28
申请人
ALSTOM WIND, S.L.U.;PASQUET, PIERRE;CANEDO PARDO, SANTIAGO