MAGNETIC GEAR Russian patent published in 2013 - IPC H02K51/00 F16H1/06 H02K16/00 

FIELD: electricity.

SUBSTANCE: magnetic gear comprises the following components installed coaxially on a single shaft: a rotor of quick rotation with permanent magnets and pole tips, on the other shaft by means of a non-magnetic disc there is a rotor of slow rotation installed in the form of at least one hollow cylinder, a stator comprising a magnetic core with teeth on its inner surface and at least one hollow cylinder mechanically connected by its one end to the body via a non-magnetic ring, permanent magnets of the rotor of quick rotation are magnetised tangentially and oppositely and are arranged between wedge-shaped pole tips, hollow cylinders of the stator and rotor of slow rotation have alternating ferromagnetic and non-magnetic elements, directed along the axis of rotation, at the same time the gear is equipped with a bearing shield installed on the shaft of the rotor of quick rotation and tightly and mechanically connected to the other end of the hollow cylinder of the stator arranged between the rotor of quick rotation and the hollow cylinder of the slow rotation rotor.

EFFECT: possibility to tightly separate cavities of rotors of quick and slow rotation, improved conditions of accurate assembly and operation of rotors of quick and slow rotation.

3 cl, 3 dwg