Patent ID: 7604674

Claim:
A dust separating apparatus detachably engaged with a mounting chamber of a vacuum cleaner body to separate and collect a contaminant from an air drawn in from a cleaning surface by a suction force of a motor, comprising: a dust collection casing with an air inlet at a lower portion; a mesh filter formed on a bottom surface of the dust collection casing to filter the contaminant from the drawn-in air; a plurality of cyclones formed in parallel in the dust collection casing to secondly filter the contaminant in the drawn-in air; and a dust collection part formed at one side of the plurality of cyclones to collect the contaminant separated from the drawn-in air, wherein, if the mesh filter is unclogged, the drawn-in air comprises a first portion that is discharged via the mesh filter and a remaining portion that is discharged via the plurality of cyclones, and wherein, if the mesh filter is clogged, all the drawn-in air is discharged via the plurality of cyclones.