FIELD: air cleaning equipment. SUBSTANCE: device has housing with suction pipe union, filter, dust collector, and filter regeneration unit. Filter regeneration unit is made in the form of freely rotating blades accommodated in cylinder which is located between filter and fan. Cylinder axis is perpendicular to air duct. Filter is made in the form of two separators wrapped in filtering material and turned in roll. EFFECT: higher efficiency. 3 cl, 4 dwg
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| LEAD PRODUCTION METHOD | 1992 |
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