Patent ID: 7708791

Claim:
A cyclone dust separating apparatus for separating dust from external air drawn in thereto and discharging clean air, comprising: at least one first cyclone body having a tubular shape and forming a first cyclone chamber where the external air is rotated, the external air being drawn in through a lower end of the first cyclone chamber and discharged through an upper end of the first cyclone chamber; at least one second cyclone body forming a second cyclone chamber and comprising a plurality of second cyclone bodies each formed as an inverse cone having a diameter reducing from an upper end to a lower end and wherein the plurality of second cyclone bodies are annularly arranged around the first cyclone chamber, the air discharged from the first cyclone chamber being drawn in through an upper end of the second cyclone chamber, rotated again in the plurality of second cyclone bodies, and discharged through the upper end of the second cyclone chamber; a cyclone main body comprising a tubular inner wall surrounding the first cyclone body at a predetermined distance from the first cyclone body, and a tubular outer wall surrounding the tubular inner wall at a predetermined distance from the tubular inner wall; and a cover member mounted at an upper end of the cyclone main body and having second cyclone mounting holes corresponding to the upper ends of the plurality second cyclone bodies for mounting of the plurality of second cyclone bodies in the cyclone main body.