Patent ID: 7977838

Claim:
A magnetic levitation motor including a stator having magnetic bearing units and a motor unit, and a rotor provided to the stator, wherein: the stator has the motor unit between the two magnetic bearing units; magnetic bearing yokes constituting the magnetic bearing units are arranged at a prescribed interval so as to draw a circle along a side surface of the rotor with a prescribed gap; the magnetic bearing yoke has two salient poles facing the side surface of the rotor; a magnetic bearing coil is wound around one of the salient poles, a first permanent magnet is provided to the other one of the salient poles, wherein for each of the two magnetic bearing units a second permanent magnet is provided between the motor yoke of the motor unit and the magnetic bearing unit; all the salient poles provided on the motor unit side of said one of the magnetic bearing units are salient poles around which the magnetic bearing coils are wound, or are salient poles to which the first permanent magnets are provided; and all the salient poles provided on the motor unit side of said other one of the magnetic bearing units are salient poles around which the magnetic bearing coils are wound, or are salient poles to which the first permanent magnets are provided.