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    WIND TURBINE ROTOR SHAFT ARRANGEMENT
    42.
    发明公开
    WIND TURBINE ROTOR SHAFT ARRANGEMENT 审中-公开
    风力涡轮机转子轴装置

    公开(公告)号：EP2938879A4

    公开(公告)日：2016-09-28

    申请号：EP13831443

    申请日：2013-08-18

    申请人： SKF AB

    发明人： WENDEBERG HANS ,  LEANDER HÅKAN ,  REICHERT JÜRGEN

    IPC分类号： F16C19/54 ,  F16C23/08

    CPC分类号： F03D11/0008 ,  F03D80/70 ,  F05B2220/7066 ,  F16C19/547 ,  F16C19/548 ,  F16C23/086 ,  F16C2240/34 ,  F16C2300/14 ,  F16C2360/31 ,  Y02E10/722 ,  Y02E10/725 ,  Y02E10/726 ,  Y02P70/523 ,  Y10T29/49321

    摘要： A wind turbine rotor shaft arrangement, e.g. of horizontal type, comprising a rotor shaft for supporting wind turbine blades, a non-rotating first housing structure for supporting the rotor shaft, and a first rolling bearing arranged to support, in a first axial direction, the rotor shaft in relation to the first housing structure at a first support point. The first rolling bearing is a single row self-aligning bearing comprising an inner ring, an outer ring, and a set of rolling elements formed of rollers arranged in an intermediate configuration between the inner and outer rings. Each roller is a symmetrical bearing roller having a curved raceway-contacting surface arranged contacting a curved inner raceway of the inner ring and a curved outer raceway of the outer ring. A contact angle between each roller and the inner and/or outer raceway is inclined in relation to the radial direction of the rotor shaft.