RADIAL-SWIRL TURBO-MACHINE Russian patent published in 2011 - IPC F04D29/22 F04D29/28 

FIELD: machine building.

SUBSTANCE: turbo-machine consists of spiral case, of working wheel installed in it with bearing and cover disks and blades 5 positioned between them. The blades have lengthwise and additional lugs in a zone of back edge 6. The lugs are matched in the zone of back edge 6 of blade 5 and form circular cylinder vortex chamber 7 fixed on bearing and cover disks 3, 4. Chamber 7 has an axle parallel to back edge 6 of blade 5, tangential inlet channel 8 on side of working surface 9 of blade 5 and perforated shell 10. Chamber 7 is secured on disks 3, 4 parallel to back edge 6 so, that tangential to the chamber along plane crossing line 13 passing through the axle of chamber 7 and back edge 6 of blade 5 is parallel to tangential to working and back surfaces 9, 14 of blade 5 in its back edge 6.

EFFECT: raised aero-dynamic load and efficiency.