FIELD: cleaning of industrial and other rooms. SUBSTANCE: vacuum cleaner has centrifugal air pump. Inlet is connected with sucking-in nozzle, and outlet communicates with litter collector made in form of a bag. Vacuum cleaner has also electric engine of drive of air pump. When electric engine is turned on, dust and litter are sucked in through the nozzle, rough cleaning filter and pump. Then litter goes into litter collector through outlet. When entering litter collector, flow losses speed at significant expansion in the bag and then after being filtered through cloth of the bag, goes outside without any dust. EFFECT: improved efficiency; improved comfort. 4 cl, 10 dwg
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