Patent ID: 9238405
Filing Date: 2016-01-19
CPC Classification: B60K,H02K,Y02T

Claim Text:
1. A motor unit comprising: a stator including a plurality of coil units in which electric coil is rolled and magnetized; and a rotator having magnetism with a permanent magnet, that rotates due to magnetization of the stator, wherein the plurality of coil units separated radially in an even number includes a plurality of first coil units separated from each other and a plurality of second coil units disposed between the plurality of first coil units, having a length longer than the plurality of first coil units, and having electric coil rolled therein, wherein the stator has a form of a first wiring unit and the plurality of second coil units projected from a boundary unit which is circular at an outermost circumference and having a middle hole which is empty in the middle in a radial form, and wherein the width of the boundary unit from which the plurality of first coil units is projected is wider than the width of the boundary unit from which the plurality of second coil units is projected.