COMPACT ROBOT-VACUUM CLEANER Russian patent published in 2008 - IPC A47L5/00 

FIELD: items of personal and house use.

SUBSTANCE: robot-vacuum cleaner contains dust removal block containing a cyclone, forming ascending rotating stream from the dusty air drawn in through the bottom part of a cyclone, and the collector for dust which surrounds cyclone. The cyclone contains an internal container intended for release of air, an external container surrounding the internal container, and the bottom wall located on internal and external containers with formation of the spiral channel. Thereat the bottom wall separates accordingly one side of the soaking up channel and the final channel from the spiral channel. Thus the cyclone lets out air from with the dust already separated through the central part into the bottom part. In addition the dust removal block is combined in the bottom part with the outlet channel intended for direction in an exhaust window of clean air.

EFFECT: increase of efficiency of soaked up polluted air clearing.

10 cl, 8 dwg