Patent ID: 7309368

Claim:
A cyclone dust collecting apparatus comprising: a cyclone body integrally including a first cyclone part and a second cyclone part formed around the first cyclone part; a first cover mounted on the cyclone body and including air paths through which dust-laden air flows the air paths comprising ducts and exhaust holes, the ducts being connected to the second cyclone part, through which the air exhausted from the first cyclone part flows into the second cyclone part; each of the ducts having: a first duct part connected to an outlet of the first cyclone part; a second duct part connected to the first duct part and the second cyclone part; and a top formed between the first duct part and the second duct part, the first and second duct parts sloping from the top to opposite directions, the exhaust holes allowing air exhausted from the second cyclone part to be discharged into a space sealed by the second cover, the ducts being disposed to substantially surround the exhaust holes; a second cover concentrating and transferring air exhausted from the second cyclone part to the cyclone body; and a dust receptacle mounted under the cyclone body and collecting separated dusts.