Patent ID: 6889403

Claim:
A cyclonic vacuum cleaner which comprises: a cleaner body with a fan unit; a vacuum tube having a suction hole at a distal end thereof; a dust collection container which is approximately cylinder-shaped, having a bottom; an attachment portion for detachably attaching said dust collection container, said attachment portion being mounted to the cleaner body; a first air path extending from said suction hole to said attachment portion in a manner capable of communicating with said dust collection container; a second air path extending from said attachment portion to said fan unit, communicating with said dust collection container; wherein a vortex flow generating member is provided in an opening of said dust collection container, said vortex flow generating member comprising: a base which is formed into a shape of a short cylinder or a truncated cone; an airflow guide provided on a side surface of said base; a first vent hole provided at an end of said base; a second vent hole provided at the side surface of said base; and a filter provided in each of said fist and second vent holes.