VACUUM CLEANER Russian patent published in 2011 - IPC A47L9/00 

Abstract RU 2416356 C2

FIELD: personal use articles.

SUBSTANCE: present invention relates to a vacuum cleaner, design of which includes a support part, inside which an electric motor is installed, which operates jointly with a fan. The vacuum cleaner comprises a nozzle equipped with a tip at its end and arranged at the inlet to the electric motor, a filtration device arranged on an aeraulic path of the air flow motion, preferably at the inlet to the electric motor. The electric motor is installed in a fairing, having multiple through holes to discharge air, which are arranged on a surface with a total area of at least 10 cm2, besides, the area of each hole in the fairing (130) makes from 0.75 mm2 to 40 mm2. A sound-absorbing material is arranged outside the fairing opposite to its holes.

EFFECT: improved efficiency of a vacuum cleaner.

9 cl, 13 dwg

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RU 2 416 356 C2

Authors

David Fab'En

Dates

2011-04-20Published

2007-06-26Filed