公开(公告)号：US20180269747A1

公开(公告)日：2018-09-20

申请号：US15918445

申请日：2018-03-12

申请人： Minebea Mitsumi Inc.

发明人： Akiko IKUTA ,  Masaki OGUSHI

IPC分类号： H02K5/24 ,  H02K23/40

CPC分类号： H02K5/24 ,  H02K1/17 ,  H02K1/185 ,  H02K23/40 ,  H02K23/405

摘要： A motor comprising a frame and one or a plurality of magnets disposed inside the frame, wherein a gap extending in a circumferential direction is provided between an inner peripheral surface of the frame and an outer peripheral surface of the magnet, and the magnet and the frame arranged at both sides of the gap are coupled together in a rotational shaft direction by means of an adhesive.

公开(公告)号：US20180058479A1

公开(公告)日：2018-03-01

申请号：US15686483

申请日：2017-08-25

申请人： Minebea Mitsumi Inc.

发明人： Yan ZHONG ,  Masaki OGUSHI

IPC分类号： F04D29/66 ,  F04D19/00 ,  F04D25/06 ,  F04D29/32 ,  F04D29/52

CPC分类号： F04D29/663 ,  F04D19/002 ,  F04D25/06 ,  F04D25/064 ,  F04D29/325 ,  F04D29/329 ,  F04D29/384 ,  F04D29/522 ,  F04D29/666

摘要： An impeller for an axial flow fan includes a plurality of blades arranged around a rotating shaft and a hub portion having a side peripheral portion surrounding the rotating shaft as viewed from a direction parallel to the rotating shaft, wherein an end portion on the rotating shaft side of each of the plurality of blades is coupled to the side peripheral portion, the plurality of blades includes a blade having a first type of shape and a blade having a second type of shape, and a thickness of the end portion on the rotating shaft side in the rotating shaft direction of the first type of shape is greater than the thickness of the end portion on the rotating shaft side in the rotating shaft direction of the second type of shape.