ELECTRIC MOTOR Russian patent published in 2019 - IPC H02K16/02 H02K21/12 H02K1/27 H02K1/30 

FIELD: electrical engineering.

SUBSTANCE: invention relates to the electrical equipment. Electric motor comprises rotor and stator without magnetic conductor with winding. Rotor can be mounted on a fixed axis in the coaxial inner and outer cylindrical rotors performing joint rotation. Winding is located in a gap between cylindrical surfaces of internal and external rotor. External rotor is installed on axis by means of one pair of bearings arranged in bases of its cylinder. Internal rotor is installed on axis by means of another pair of bearings arranged in bases of its cylinder. External rotor is equipped with a Halbach magnetic assembly, permanent magnets of which are located on its cylindrical surface facing the stator winding. Inner rotor is equipped with Halbach magnetic assembly, which permanent magnets are located on its cylindrical surface facing stator winding, or is equipped with assembly based on magnetically soft material, which closes magnetic field from external rotor magnets. Rotors combined rotation is provided with magnetic coupling.

EFFECT: technical result consists in improvement of structure rigidity and elimination of vibrations, increase of specific power, increase of motor power due to elongation of magnets and winding without significant structural reinforcements.

5 cl, 4 dwg