Patent ID: 9455602
Filing Date: 2016-09-27
CPC Classification: H02K

Claim Text:
1. A motor comprising: a stator having a ring type structure; and a rotor including a core with a plurality of permanent magnets circumferentially magnetized inside the stator around a rotation shaft and a non-magnetic member between the core and the rotation shaft, wherein the stator comprises: a core having the ring type structure; the plurality of teeth protruding from the inner surface of the core; and the coils wound around the teeth, respectively, wherein the rotor comprises: the non-magnetic member between the rotor and the rotation shaft; a plurality of protrusions protruding from the non-magnetic member; and the plurality of permanent magnets between the protrusions, wherein the non-magnetic member has a ring shape, wherein the permanent magnet comprises a protrusion protruding to the non-magnetic member, wherein the non-magnetic member comprises a receiving groove to receive an end of the permanent magnet, and wherein a width d