Patent ID: 7842112

Claim:
A cyclone collector comprising: a primary cyclone having an inlet passage that guides external air into the primary cyclone, and an outlet passage that guides air out of the primary cyclone; a secondary cyclone in airflow communication with the primary cyclone; and a flow guide positioned at an open terminal end of the outlet passage so as to guide air from the outlet passage of the primary cyclone to the secondary cyclone, the flow guide comprising: a body; and a plurality of guide ribs formed on an outer surface of the body so as to form a plurality of passages therebetween, wherein each of the plurality of guide ribs begins at a lowermost portion of the body and extends upward to an uppermost portion of the body, and wherein a distance between adjacent guide ribs changes such that the gap formed therebetween increases from the lowermost portion to the uppermost portion of the body.