Patent ID: 7273506
Filing Date: 2007-09-25
Classification: A47L,Y02E,Y10S

Abstract:
1. A cyclone dust-collecting apparatus, comprising: a cyclone body having a first cyclone part and a second cyclone part, the second cyclone part comprising a plurality of cones and wherein the first cyclone part has a larger diameter than the second cyclone part; a cover unit connected with the upper portion of the cyclone body for directing air movement between the first cyclone part and the second cyclone part, the cover unit comprising: a first cover member having a centrifugal path that directs air exhausted from the first cyclone part toward the second cyclone part; and a second cover member having an exhaust port for exhausting air from the second cyclone part, the second cover member being connected with the upper portion of the first cover for providing mixing and circulating of exhaust air in a chamber defined by the second cover member; and a contaminant receptacle connected with the lower portion of the cyclone body for collecting contaminants separated from the air in the first and second cyclone parts.