AXIAL-CENTRIFUGAL MULTISTAGE COMPRESSOR Russian patent published in 2018 - IPC F04D29/00 

FIELD: motors and pumps.

SUBSTANCE: invention relates to the design of an axial multistage compressor, in particular to compressors of gas turbine engines for ground and aviation applications. Centrifugal multi-stage compressor comprises a housing, an input guide unit, the rotor shaft of the compressor, on which the impellers are installed in series with radial tunnels having outlet holes rotated in a direction parallel to the axis of rotation of the impeller. First impeller is of axial type, and all other impellers of tunnel type, after each impeller, a guide disk with channels and a central outlet is serially fixed on the inner surface of the compressor casing.

EFFECT: invention is aimed at increasing the efficiency.

4 cl, 3 dwg