Cyclone-type dust collecting apparatus for vacuum cleaner, has double impeller grill assembly to prevent air from flowing back via air outlet port, and fine dust collecting unit to collect dust which is not removed by assembly

摘要

The apparatus has a dust collecting container (130) to collect dust separated by a centrifugal force of a vortex current in a cyclone body. A double impeller grill assembly (150) prevents the air from flowing back through an air outlet port. A fine dust collecting unit is disposed at a downstream portion of the assembly in the cyclone body to collect fine dust which is not removed by the assembly. An independent claim is also included for a vacuum cleaner having a cyclone-type dust collecting apparatus.