CHANNEL VENTILATOR (VARIANTS) Russian patent published in 2006 - IPC F04D29/42 

FIELD: channel ventilators with radial working wheel 3.

SUBSTANCE: channel ventilator has body 1 with channel 5, engine, connected by hub 10 to wheel 3 with covering 7 and main 8 disks and blades 9 bent backwards, input collector 4, vortex dampener in vortex hollow, made in form of rectifying apparatus with plates 19, cover, enveloping disk 7, etc. In accordance to second variant, on body 1 several wheels 3 are mounted, separated by walls 23. Body 1 may be made with panels of thermo-acoustic-isolating material, connecting flanges 14 and vortex dampener. Blades 9 may be made flat and may by connected to disk 7 along straight line.

EFFECT: provision of statistical pressure in channel ventilator with narrow body 1 while maintaining productiveness.

2 cl, 15 dwg