Patent attributes
In one aspect, a drum type washing machine includes, among other things, a tub supporter of metal between a wall of a tub and a stator, where the stator includes an annular helical type core having multiple layers formed by winding a steel plate having Ts and a base portion in a helix starting from a bottom layer to a top layer, an insulator insert molded with the helical type core to cover an outside surface of the helical type core for electrical insulation of the helical type core, and three fastening portions formed, as a unit with the insulator projected from an inside circumferential surface of the helical type core toward a center of the stator, for fastening the stator to the tub supporter, wherein the fastening portion has a fastening hole at a center for fastening the stator to the wall of the tub with screws.
