Vacuum cleaner system

Details Vacuum cleaner system Vacuum cleaner system

1989-05-12

1990-05-01

Spitzer, Robert

Gas separation

With nonliquid cleaning means for separating media

Interdependent or interoperated gas flow cutoff or apparatus...

15352, 55302, 55319, 55334, 55417, 55429, 55472, 55DIG3, B01D 4604

Patent

active

049215108

ABSTRACT:
A vacuum cleaning system having a receptacle of non-porous material, such as a plastics bag (65), adapted to safely receive and hold hazardous material such as asbestos fibre. Vacuum is applied by a fan (86) to a suction chamber (69) and then through a filter (71) to an intermediate chamber (63) and via a suction pipe (61) to the bag (65). Waste material is sucked into the bag through an inlet pipe (67). The filter is cleaned periodically by admitting atmospheric air through a pulse valve (74) causing an inrush of air through the filter (71) and into the bag (65), cleaning the filter and intermediate chamber (63).

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