公开(公告)号：US20190013709A1

公开(公告)日：2019-01-10

申请号：US16009251

申请日：2018-06-15

申请人： FANUC CORPORATION

发明人： Koutarou SUZUKI

IPC分类号： H02K3/12 ,  H02K1/26 ,  H02K3/48 ,  H02K7/00

CPC分类号： H02K3/12 ,  H02K1/265 ,  H02K3/48 ,  H02K7/003 ,  H02K17/185

摘要： A rotor includes: a cylindrical rotor core fixed to an outer peripheral side of a rotary shaft rotatable about an axis center, the rotor core including multiple first slots arranged at intervals in the peripheral direction of the rotor core and penetrating the rotor core in the axis direction of the rotary shaft, and multiple second slots formed at an inner position of the rotor core with respect to the first slots, arranged at intervals in the peripheral direction of the rotor core, and penetrating the rotor core in the axis direction of the rotary shaft; and a secondary conductor including multiple conductor bars arranged in the first slots and the second slots, and a pair of ring-like end rings arranged at opposite end surfaces of the rotor core and connecting end portions of the multiple conductor bars.