Abstract: A unidirectionally-energized brushless DC motor includes a disk attached to a frame, a plurality of plate-like permanent magnets disposed on the disk at equal intervals around the disk, magnetic cores fixed to the frame according to the plurality of permanent magnets, windings each of which is wound around the magnetic core and to which DC power is supplied, a predetermined number of magnetic cores fixed to the frame, and windings each of which is wound around the magnetic core and connected to a power consumption device. The permanent magnets are located such that an angle formed by a straight line passing through the center of the disk and the center of the permanent magnet and a normal line in the center of a magnetic pole plane of the permanent magnet ranges from 0° to 60°.

Abstract: [Problem] The invention provides a unidirectionally-energized brushless DC motor including an AC voltage output winding, and the brushless DC motor simultaneously exerts a motor function of being able to continuously obtain a constant torque and a power generation function of being able to obtain a continuous electromotive force. [Solving Means] The brushless DC motor includes a disk 5 that is attached to a frame 3, a plurality of plate-like permanent magnets 6 that are disposed on the disk 5 at equal intervals around the disk 5, magnetic cores 70(A) that are fixed to the frame 3 according to the plurality of permanent magnets 6, windings 71(A) each of which is wound around the magnetic core 70(A) and to which DC power is supplied, a predetermined number of magnetic cores 70(B) that are fixed to the frame 3, and windings 71(B) each of which is wound around the magnetic core 70(B) and connected to a power consumption device.