Multi dust-collecting apparatus

Gas separation – Multiple separators – each with discrete and longitudinally... – Centrifugal

Reexamination Certificate

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Details

C055S346000, C055S426000, C055SDIG030

Reexamination Certificate

active

07547338

ABSTRACT:
A multi dust-collecting apparatus for a vacuum cleaner is provided. The apparatus includes a dust-collecting unit having an air guide member to separate dirt particles from drawn-in air by using a gravity and an inertia and a filter member to remove dirt particles from the discharged air. The apparatus also includes a plurality of cyclones to swirl the air discharged from the dust-collecting unit and separate minute dirt particles from the air by using a centrifugal force.

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Extended European Search Report dated Sep. 19, 2006 issued from the European Patent Office with respect to European Patent Application No. 06290114.5 filed on Jan. 17, 2006.

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