Dust collecting apparatus having a dust removing unit
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United States of America Patent
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Jan 6, 2015
Issued Date -
N/A
app pub date -
Apr 21, 2010
filing date -
Nov 30, 2009
priority date (Note) -
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Abstract
A dust collecting apparatus having a dust removing unit. The dust collecting apparatus includes a first cyclone unit which rotates air introduced from outside to separate dust from the air; a second cyclone unit including a second centrifugal separation chamber into which dust discharged from the first cyclone unit is introduced, and second cyclone discharge pipe for passage of air discharged from the second centrifugal separation chamber; a filter assembly including a filter member arranged in the upper portion of the second cyclone unit to separate fine dust from air discharged from the second cyclone unit; and a dust removing unit which separates dust from the filter member, wherein the dust separated from the filter member passes through the second cyclone discharge pipe and is collected in the second centrifugal separation chamber.
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