CYCLONE VACUUM CLEANER (VARIANTS) Russian patent published in 2008 - IPC A47L5/00 A47L9/16 

FIELD: engines and pumps.

SUBSTANCE: invention applies to vacuum cleaner, particularly to vacuum cleaner with a cyclone device. Vacuum cleaner consists of case with air inlet and outlet apertures, cyclone device, including primary cyclone for primary separation of air from contaminating particles, and number of secondary cyclones for secondary separation of contaminating particles out of air flowing off the primary cyclone. Each outlet aperture of the secondary cyclone is equipped with noise reduction component. Additionally each of the outlet apertures of the secondary cyclone can be equipped with partitions to separate outlet apertures or there may be installed guides to direct air flowing out of the outlet aperture of the secondary cyclone.

EFFECT: noise reduction in a vacuum cleaner.

19 cl, 5 dwg