CORE STRUCTURE OF ROTATING MACHINERY

摘要

The present invention relates to a core structure of a rotating device comprising a rotor in which the north polar and the south polar are alternately arranged on the outer circumference surface and a stator which receives the rotor. A stator core is positioned in a part which is adjacent to the rotor. The stator core comprises a plurality of yokes in which both ends are connected to each other; a pair of stator pieces in which one end is fixed to the yokes and is arranged in a length direction of the stator when the one end is formed as a trapezoid shape; and a stator coil which is positioned between the stator pieces. The present invention is provided to form the shape of the stator pieces as the trapezoid shape, thereby reducing a leakage flux number. The present invention is provided to form the shape of a coil groove as the trapezoid shape, thereby maintaining stable winding of the stator coil.