DUST COLLECTING APPARATUS AND VACUUM CLEANER WITH DUST COLLECTING APPARATUS (VERSIONS) Russian patent published in 2007 - IPC A47L9/16 A47L5/22 

FIELD: technique for vortex-type vacuum cleaner.

SUBSTANCE: dust collecting apparatus has first filtering chamber for filtering of foreign matter using vortex air flow, separating plate defining upper surface of first filtering chamber, filter having diameter reducing in downward direction in accordance with alteration of air flow speed in first filtering chamber, and blocking member provided under filter and designed for preventing scattering of foreign matter filtered out in first filtering chamber. Filter has first connection part, and blocking member has second connection part joined to first connection part.

EFFECT: increased efficiency in dust removal using vortex air flow, and provision for cleanliness within filtering chamber due to usage of filter having design corresponding to rotational speed of rotating flow.

19 cl, 10 dwg