B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
B01D 46/04 (2006.01) B01D 46/24 (2006.01) B01D 46/52 (2006.01)
Patent
CA 2144921
A portable vacuum for fume and dust extraction includes a main housing shell, at least one fan within the shell for creating suction and a motor for driving the fan. A separate filter container is located within the main housing shell and a filter is located within the filter container for extracting fume and dust. Within the inner filter perimeter is located a generally H-shaped self propelled cleaning device having air outlets for cleaning the filter with compressed air and for rotating the cleaning device relative to the filter
Gowling Lafleur Henderson Llp
Lincoln Global Inc.
LandOfFree
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