Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Patent
1996-11-18
1999-09-07
Oleksa, Diana L.
Brushing, scrubbing, and general cleaning
Machines
With air blast or suction
15319, A47L 500
Patent
active
059467703
ABSTRACT:
A vacuum cleaner, has a housing and a suction motor, arranged in the housing. When in operation, the motor draws in air via a suction opening and discharges the air via at least one outlet opening in the housing. A dust chamber in the housing collects dust entrained by the drawn-in-air when the vacuum cleaner is in operation. An odor filter is arranged in the housing downstream of the dust chamber. The odor filter includes a unit which temporarily prolongs the residence time of air drawn through the odor filter, in the odor filter during an odor suppression cycle.
REFERENCES:
patent: 4063326 (1977-12-01), Fromknecht
Bijma Jan
Driessen Johannes A.T.
Munnig Schmidt Robert H.
Bartlett Ernestine C.
Oleksa Diana L.
U.S. Philips Corporation
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