... Single Phase Shaded Pole motor is mainly composed of core, primary and secondary windings, rotor, stator and bobbin. Secondary winding ... is the short-circuiting ring, producing magnetic potential and forming a rotating magnetic field in the air gap ... Vacuum pump, Air pump, Oven, Oxygen concentrator 230v,50hz,2500rpm Shaded pole motorYJ62-30: ac motor electric for nebulizer,air pump,oxygen ...