Patent ID: 7879142

Claim:
A cyclone dust collector, comprising: a cyclone body comprising a first cyclone chamber to centrifugally separate dust from drawn-in air for a first time, a plurality of second cyclone chambers to centrifugally separate dust from the drawn-in air for a second time, and a plurality of discharge ports through which the drawn-in air is discharged from the plurality of second cyclone chambers; an upper cover to cover an upper portion of the cyclone body, the upper cover having an inner wall facing the plurality of discharge ports; and a noise reduction part disposed between the plurality of discharge ports and the inner wall of the upper cover, to reduce noise generated inside the upper cover by the discharge of air through the plurality of discharge ports, wherein the noise reduction part comprises a noise-absorbing member, the noise-absorbing member being formed in a shape corresponding to the inner wall of the upper cover.