公开(公告)号：US20180175694A1

公开(公告)日：2018-06-21

申请号：US15819244

申请日：2017-11-21

Applicant: JOHNSON ELECTRIC S.A.

Inventor： Ronny Keil ,  Daisuke Tsunashima ,  Kwong Yip Poon ,  Yongqiang Song

IPC: H02K3/50 ,  H02K3/28 ,  H02K5/22

CPC classification number: H02K3/50 ,  H02K3/28 ,  H02K3/38 ,  H02K5/225 ,  H02K11/215 ,  H02K11/33

Abstract: A stator includes a stator core and three phase windings wound on the stator core. The stator provides a neutral point terminal, each of the three phase windings comprises a phase connecting end and a neutral point connecting end, the neutral point connecting end of each of the three phase windings is fixed to and electrically connected to the neutral point terminal. The neutral point connecting ends of the three phase windings are electrically connected together at outside of the circuit board. The circuit board does not need to provide extra space or wiring layer to achieve the combination of the neutral point connecting ends of the three phase windings.

公开(公告)号：US20180175698A1

公开(公告)日：2018-06-21

申请号：US15826927

申请日：2017-11-30

Applicant: Johnson Electric S.A.

Inventor： Ronny Keil ,  Daisuke Tsunashima ,  Kwong Yip Poon ,  Yongqiang Song

IPC: H02K7/00 ,  H02K7/08

CPC classification number: H02K7/003 ,  H02K7/08 ,  H02K7/083

Abstract: A motor shaft includes a main body and a chamfered end formed at an end of the main body. The chamfered end has a chamfer formed at a peripheral surface thereof, and a groove defined in an end surface thereof. An axial length of the chamfer is greater than a depth of the groove in the axial direction of the motor shaft. An electric motor including the motor shaft is also provided.