ROTARY BULK MACHINE Russian patent published in 2019 - IPC F01C3/08 F04C18/56 

FIELD: machine building.

SUBSTANCE: invention relates to machine building, particularly, to rotary volumetric machines. Machine comprises housing with end covers, in bores of which there are drive and driven working gears, forming axial transmission. Each gear consists of a hollow hub and a disk with teeth arranged on its periphery, in the form of a crown, consisting of separate sections with an asymmetric profile, having front and rear surfaces. In the housing there are working medium supply-discharge channels. Gears are installed on hollow axes at an angle providing covering their crowns on the whole circle. Each hollow axis is fixed on one side on end cover, and on other side it is connected with part of housing located between central parts of gears. Disk of each gear is equipped with at least two shells enveloping the crown of teeth on outer and inner sides. Each section of teeth is equipped with permanent magnets. Disk of drive gear is equipped with gear transmission with shaft output from inner space of housing through seal. Through holes of hollow axes are channels of supply-and-discharge of working medium.

EFFECT: higher efficiency of machine.

23 cl, 17 dwg