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公开(公告)号：US11025110B2
公开(公告)日：2021-06-01
申请号：US16136559
申请日：2018-09-20
发明人： Yongbin Li , Hai Chen , Xianchun Fan , Guowei Zhong , Jinbao Sun
摘要： A brushless direct current motor and a dual clutch transmission employing the motor are provided. The motor includes a stator including stator core and a winding wound around the stator core, and a rotor rotatable relative to the stator. The rotor includes a shaft, a rotor core fixed to the shaft, and a plurality of permanent magnets. The rotor core is fixed to the shaft and includes a plurality of accommodations arranged along a circumferential direction of the rotor. Each of the accommodations substantially extends along a radial direction and an axial direction of the rotor. The permanent magnets are respectively arranged at corresponding accommodations. A relationship of an axial length Lr of the rotor core, an axial length Lm of each of the permanent magnets, and an axial length Ls of the stator core is Lm>Lr≥Ls.
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公开(公告)号：US20190097481A1
公开(公告)日：2019-03-28
申请号：US16136559
申请日：2018-09-20
发明人： Yongbin Li , Hai Chen , Xianchun Fan , Guowei Zhong , Jinbao Sun
摘要： A brushless direct current motor and a dual clutch transmission employing the motor are provided. The motor includes a stator including stator core and a winding wound around the stator core, and a rotor rotatable relative to the stator. The rotor includes a shaft, a rotor core fixed to the shaft, and a plurality of permanent magnets. The rotor core is fixed to the shaft and includes a plurality of accommodations arranged along a circumferential direction of the rotor. Each of the accommodations substantially extends along a radial direction and an axial direction of the rotor. The permanent magnets are respectively arranged at corresponding accommodations. A relationship of an axial length Lr of the rotor core, an axial length Lm of each of the permanent magnets, and an axial length Ls of the stator core is Lm>Lr≥Ls.
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