Patent ID: 7923888
Filing Date: 2011-04-12
Classification: H02K

Abstract:
1. A switched reluctance motor, comprising: a stator core having a plurality of inwardly protruding poles at predetermined intervals; a plurality of coils wound around the plurality of inwardly protruding poles of the stator core, respectively; and a rotor core rotatably housed inside the stator core with a predetermined gap therebetween, and having a plurality of outwardly protruding poles along a radial direction and round portions that protrude, respectively, from front ends of each of the plurality of outwardly protruded poles of the rotor core, so that gaps formed, respectively, between the plurality of inwardly protruding poles of the stator core and the plurality of outwardly protruding poles of the rotor core are gradually reduced during rotation of the rotor core, wherein each of the round portions comprises a plurality of round portions having different curvatures, and wherein the plurality of round portions comprise: