DUST COLLECTOR OF VACUUM CLEANER (VARIANTS) Russian patent published in 2008 - IPC A47L9/16 A47L5/22 

FIELD: dust collecting devices of vacuum cleaners.

SUBSTANCE: dust collector includes body having first central filtering chamber for filtering foreign objects with use of vortex airflow. Several second filtering chambers are formed along outer periphery of first filtering chamber for receiving air passing through first cylindrical filtering chamber. Outlet member has upper end engaging with second filtering chambers and inner periphery engaging with outer periphery of body of dust collector. Sealing member is arranged on contact surface between second filtering chambers and outlet members.

EFFECT: improved design of dust collector, its simple assembling process, increased strength and wear resistance, improved efficiency of dust collection due to preventing air leakage and scattering of foreign objects.

20 cl, 10 dwg