FIELD: engine engineering. SUBSTANCE: air cleaner has case wherein separating members 2 are received including cyclone pipe 6, flow swirlers 10 provided with pipes for discharging cleaned air arranged concentrically around dust discharging branch pipe 3, and dust receiving hopper 4. Cyclone pipes 6 are interconnected forming a closed space of complex shape. Larger base of the space points in dust receiving hopper 4 and smaller base is coupled with the hopper in this zone. EFFECT: enhanced cleaning. 5 cl, 3 dwg
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