It includes a rotatable hub carrying blades and a device for attaching a portion of the blades to a portion of the hub. The attaching device includes bushings inside of which corresponding studs can be secured. At least some of the bushings are provided with at least one securing end adapted for providing the stud with a degree of rotation relative to the bushing. Bushings may include an inner receiving member for receiving a corresponding end of the stud. The receiving member can be rotated inside the bushing around an axis.
申请公布号
US2014127028(A1)
申请公布日期
2014.05.08
申请号
US201214233737
申请日期
2012.08.01
申请人
FEIGL LUCA;ROMÁN MALLADA JOSÉ LUIS;LÁZARO RICARDO;ALSTOM RENOVABLES ESPAÑA, S.L.