US Patent 11190091 Four-stator and four-rotor combined energy-saving motor

The invention discloses a motor, which comprises four rotors and four stators. The rotor comprises an outer rotor part and an inner rotor part, the outer rotor part is arranged outside the cylindrical inner rotor part, an inner stator zone is formed between the outer rotor part and the inner rotor part, and an outer stator zone is formed between the outer rotor part and the motor shell; the outer rotor part and the inner rotor part are connected by flange, and the inner stator zone is divided into a first inner stator zone and a second inner stator zone by flange; the outer stator zone is divided into a first outer stator zone and a second outer stator zone by flange; the four stators are arranged in the first inner stator zone, the second inner stator zone, the first outer stator zone and the second outer stator zone respectively.