DUST RECEPTACLE AND VACUUM CLEANER Russian patent published in 2013 - IPC A47L5/00 

FIELD: personal use articles.

SUBSTANCE: vacuum cleaner dust receptacle has a cylindrical container wherein a swirling flow is created for dust-containing air centrifugation with separated dust collected at the same time. Accumulated dust density increases in the course of time to the maximum allowable value for collection of a greater amount of dust. Reverse flow of dust is prevented to ensure reliable dust collection. The dust receptacle 7 includes a cylindrical container 35 with a bottom and a cover, a partition 39 installed between the suction tube 36 and the discharge tube 37 and having a hole 39a, a cylindrical-shaped filter 41 that is basically coaxial to the container 35, a cylindrical-shaped cup 42 with a bottom 54 with a hole 54a and a side wall 53, positioned closer to the container bottom 35b that the first filter 41 and installed with the open part turned in the direction towards the inner surface of the bottom 35b of the container 35 so that to form gaps 51 and 52 between the outer part of the cup side wall and the container inner surface and between the butt-end surface of the container side wall and the bottom inner surface, and the second filter positioned in the cut bottom hole 54a.

EFFECT: collection of a great quantity of dust.

8 cl, 9 dwg