TWO-CYCLE CENTRIFUGAL COMPRESSOR Russian patent published in 2016 - IPC F04D29/00 

FIELD: machine building.

SUBSTANCE: two-section centrifugal compressor comprises housing accommodating stator first and second sections, rotor with impellers and snail compressor, in which in stator of first section on shaft is rigidly fixed first impeller, symmetrically in second section on shaft bearings there is second working wheel, which is rotated in opposite direction relative to first impeller of first section. Rotation is performed by drive, including shaft with reduction gear drive gear and driven gears rotating on axes fixed in case of reducer, wherein reduction gear housing is rigidly connected splined to second working wheel of second section.

EFFECT: higher efficiency of compressor.

1 cl, 1 dwg