2results about How to "Small torque fluctuation" patented technology

The application belongs to the technical field of electromagnetism and relates to a motor and an electric device, which comprise a stator and a rotor arranged oppositely; the stator comprises a stator yoke and a stator winding, and the rotor comprises a rotor yoke; the stator yoke and the rotor yoke are arranged oppositely and a gap exists between the opposite surfaces; a plurality of stator teeth are distributed on the surface of the stator yoke corresponding to the gap and are arranged at intervals in the circumferential direction; a stator slot is formed between two adjacent stator teeth; the stator winding is wound in the stator slot; a plurality of rotor teeth are arranged at intervals in the circumferential direction on the surface of the rotor yoke corresponding to the gap; a rotor slot is formed between two adjacent rotor teeth; and a first permanent magnet is arranged in the rotor slot; the motor satisfies the relationship formula: N s =k×n×m; N r =k×(n×m+2), so that the high-order harmonic magnetic fields generated by the rotor and the stator respectively generate torques, torque cancellation in the motor is reduced, the torque density of the motor is finally improved, the cost of the motor is reduced, and the torque fluctuation of the motor is greatly reduced.

The utility model relates to mobile phone stabilizer technical field provides the power mechanism of mobile phone stabilizer, including the handle, the course of action axle, the pitch axle and the fixture still include: the connecting cap no.