Stator for use in an alternating current induction motor

Claim 1

FOR USE IN A SINGLE PHASE ALTERNATING CURRENT INDUCTION TYPE ELECTRIC MOTOR, A STATOR HAVING A CORE FORMED OF MAGNETIC MATERIAL, SAID CORE COMPRISING A YOKE SECTION, A BORE, AND HAVING AT LEAST A PLURALITY OF ANGULARLY SPACED APART ELONGATED WINDING ACCOMMODATING SLOTS EXTENDING INWARDLY FROM SAID YOKE SECTION AND TERMINATING IN SLOT ENTRANCES AT SAID BORE, SAID SLOTS BEING ARRANGED IN A PLURALITY OF SLOT GROUPS DEFINING A NUMBER OF POLAR REGIONS, AND A MAIN WINDING INCLUDING A NUMBER OF COIL GROUPS ARRANGED IN SAID SLOTS FORMING A PLURALITY OF PRIMARY POLES, THE OUTERMOST COIL OF EACH COIL GROUP BEING ARRANGED IN THE OUTERMOST ELONGATED SLOT OF EACH SLOT GROUP, EACH OF SAID MAIN WINDING ACCOMMODATING SLOTS IN EACH OF SAID SLOT GROUPS CONVERGING TOWARD THE RADIAL CENTER OF ITS POLAR REGION AWAY FROM SAID BORE WITH THE CENTER OF THE SLOT END LOCATED ADJACENT SAID YOKE SECTION BEING LINEARLY NEARER TO SAID RADIAL POLAR CENTER THAN IS THE CENTER OF THE SLOT ENTRANCE FOR THE SAME SLOT.