Patent ID: 6840972

Claim:
A multiple cyclone vacuum cleaner comprising: a cleaner body having a space for mounting a fan and a fan motor, and an externally exposed space for selectively mounting a primary cyclone body and dust tank; a first air inlet passage provided in communication with the dust tank, for intake of air and various foreign matters; a first air outlet passage provided at the top of the dust tank, for exhausting the air firstly removed of the foreign matters; a secondary cyclone body provided on the dust tank, for circulation of air in a direction perpendicular to the axial direction of the dust tank; a second air inlet passage provided in communication with the first air outlet passage and the secondary cyclone body, for introducing the air and the foreign matters exhausted from the first air outlet passage to the secondary cyclone body; a second air outlet passage piercing the lateral side of the secondary cyclone body in the vicinity of the second air inlet passage; and a foreign matter outlet passage provided in communication with the secondary cyclone body and a second dust tank, for introducing the foreign matters separated from the air in the secondary cyclone body to the second dust tank.