US Patent 7279821 Motor

A motor includes a rotor, a rotor core included in the rotor, the rotor core being configured to be embedded, therein, with at least one first magnet, a pair of end plates, one of the pair of end plates being positioned at an axial end of the motor, an other one of the pair of end plates being positioned at an other axial end of the motor, and the pair of end plates holding the rotor core at axial ends of the rotor core, and at least one second magnet embedded in the pair of end plates and supplying magnetic fields in an axial direction of the motor.