Coil assembly of slotless motor, housing and slotless motor including the same

摘要

The present invention discloses a coil assembly of a slotless electric motor, a housing, and a slotless electric motor including the same. According to the present invention, having two first coil sides facing each other with a first space interposed therebetween and having a sector shape in a width direction, and at least one end of the two first coil sides in the first direction in the longitudinal direction. A plurality of first coil structures having a curved first end turn and two second coil sides facing each other with a second space therebetween and having a sector shape in the width direction, and the lengths of the two second coil sides A plurality of second coil structures having a second end turn bent in a second direction from at least one end of the direction, wherein the plurality of first coil structures and the second coil structures are combined to form a circular stator winding structure. A coil assembly of a slotless electric motor is provided.