公开(公告)号：US20180172013A1

公开(公告)日：2018-06-21

申请号：US15847165

申请日：2017-12-19

Applicant: Dyson Technology Limited

Inventor： Nigel Youatt DYMOND ,  Alan Glynn SANDERSON ,  Benjamin Christopher MERCER

IPC: F04D25/06 ,  F04D29/32 ,  F04D29/38 ,  H02K7/14 ,  A45D20/12

CPC classification number: F04D25/0606 ,  A45D20/10 ,  A45D20/12 ,  F04D19/00 ,  F04D19/002 ,  F04D29/329 ,  F04D29/388 ,  F04D29/542 ,  H02K7/145 ,  H02K2203/12

Abstract: A motor comprising a frame for supporting a rotor assembly and a stator assembly, the frame comprising an inner wall and an outer wall and a plurality of diffuser vanes extending between the inner wall and outer wall; a rotor assembly comprising a shaft, a magnet, a bearing assembly and an impeller; and a stator assembly comprising a bobbin, a stator core and a winding wound round the bobbin; the impeller comprising a metal hub and an outer portion, the outer portion comprising a plurality of blades and being formed of plastic or carbon fibre composite.