VACUUM CLEANER Russian patent published in 2004 - IPC

FIELD: domestic vacuum cleaners for dry cleaning.

SUBSTANCE: vacuum cleaner includes housing having inlet and outlet openings and suction cavity communicated with inlet opening of housing and with inlet opening of air suction aggregate arranged in housing; apparatus for preliminary cleaning placed in suction cavity and communicated by its inlet opening with inlet opening of housing; vessel with liquid and duct for passing air communicated with outlet opening of air suction aggregate. Axis of said duct is inclined relative to liquid surface. Vacuum cleaner includes one or more small pipes whose one ends are open to vessel with liquid and whose other ends are open to duct for air passing. Housing has pumping cavity separated from suction cavity by means of partition and communicated with outlet opening of housing and through duct for air passing with outlet opening of air suction aggregate. Vessel with liquid is arranged in pumping cavity.

EFFECT: enhanced filtration degree of discharged air.

1 dwg