Self-cleaning fume extraction device

B - Operations – Transporting – 01 – D

Patent

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Details

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

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