VACUUM CLEANER DUST SEPARATION DEVICE Russian patent published in 2011 - IPC A47L9/16 

FIELD: personal use articles.

SUBSTANCE: vacuum cleaner dust separation device comprises a dust catching unit, and a distributing unit, which supplies air and dust into the dust catching unit, and comprises a body that forms the appearance, an inlet hole for air and dust input into the body, multiple distributing pipelines for air distribution, multiple auxiliary channels for distribution of air arrived into the body into the dust catching unit, and the main channel for connection of the inlet hole with the appropriate auxiliary channel. In the dust catching unit there are many air suction parts, and each of distributing pipelines communicates with each of air suction parts, area of the main channel cross section near the auxiliary channel is more than the area of the main channel cross section near the inlet hole.

EFFECT: provision of free air ingress into the dust catching unit for dust separation.

19 cl, 26 dwg