SYSTEM BASED ON MAGNETIC BEARINGS Russian patent published in 2017 - IPC H02K7/09 F16C32/04 

FIELD: electricity.

SUBSTANCE: left passive magnetic bearing is made in the form of a combined radial-axial magnetic bearing consisting of the first left external axially magnetized permanent magnet, the first left radially magnetized permanent magnet, the second left outer axially magnetized permanent magnet and the assembly of internal axially and radially magnetized annular magnets, consisting of the first left internal axially magnetized permanent magnet, the first left internal radially magnetized permanent magnet, the second left inner axially magnetized permanent magnet. The second left internal axially magnetized permanent magnet is simultaneously a movable part of the left axial magnetic bearing. The stationary part of the left axial magnetic bearing is made in the form of a magnetic ring with an axial direction of S-N magnetization with an external diameter equal to the external diameter of the left internal axially magnetized permanent magnet mounted in the left copper screen, which is fixed in the housing. The stationary part is made with an air gap relative to the shaft. A mechanical bearing with a low coefficient of friction is installed in the left bearing shield for the left axial stop of the system. The right passive magnetic bearing is made in the form of a combined radial-axial magnetic bearing consisting of the first right external axially magnetized permanent magnet, the first right radially magnetized permanent magnet, the second right outer axially magnetized permanent magnet and the assembly of internal axially and radially magnetized annular magnets, consisting of the first right internal axially magnetized permanent magnet, the first right internal radially magnetized permanent magnet, the second right inner axially magnetized permanent magnet. The second right internal axially magnetized permanent magnet is simultaneously a movable part of the right axial magnetic bearing. The stationary part of the right axial magnetic bearing is made in the form of a magnetic ring with an axial direction of N-S magnetization with an external diameter equal to the external diameter of the right internal axially magnetized permanent magnet mounted in the right copper screen, which is fixed in the housing. The stationary part is made with an air gap relative to the shaft. A mechanical bearing with a low coefficient of friction is installed in the right bearing shield for the left axial stop of the system.

EFFECT: reliability increase.

1 dwg