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Multi dust-collecting apparatus

  • US 20060230723A1
  • Filed: 12/23/2005
  • Published: 10/19/2006
  • Est. Priority Date: 03/29/2005
  • Status: Active Grant
First Claim
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1. A multi dust-collecting apparatus comprising:

  • a first dust-collector having a bottom connected with an air suction pipe through which an external air is drawn in, the first dust-collector separateing dirt particles from the air drawn in through the air suction pipe using an gravity and an inertia and collecting the separated dirt particles therein;

    a second dust-collector arranged around the first dust-collector to centrifugally separate minute dirt particles from the air drawn in from the first dust-collector and collect the separated minute dirt particles therein; and

    a cover unit disposed above the first and the second dust-collectors to guide the air discharged from the first dust-collector toward the second dust-collector and discharge the air discharged from the second dust-collector to the outside, wherein the first dust-collector comprises;

    a cylindrical first dust-collecting receptacle having a first inlet connected with the air suction pipe and a first outlet to discharge the air, the first dust-collecting receptacle collecting therein the dirt particles separated from the air; and

    an air guide member disposed inside the first dust-collecting receptacle and guiding the air drawn in through the first inlet in the direction of an inside surface of the first dust-collecting receptacle such that the dirt particles are separated from the air by the gravity and the inertia.

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