Dual stage cyclone vacuum cleaner
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United States of America Patent
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Jun 20, 2017
Issued Date -
N/A
app pub date -
Mar 7, 2016
filing date -
Dec 22, 2005
priority date (Note) -
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Abstract
A vacuum cleaner including a dust collector having a first stage cyclonic separator, a plurality of second stage cyclonic separators, a dirt cup configured to collect dust particles separated by the first stage cyclonic separator, and a perforated tube at least partially within the dust collector. The perforated tube includes a cylindrical wall and a plurality of openings in the cylindrical wall to allow the flow of air to pass through the cylindrical wall in a flow direction from the first stage cyclonic separator toward the plurality of second stage cyclonic separators. A plurality of isolated air conduits within the perforated tube. Each of the plurality of isolated air conduits defined at least partially by walls extending in a direction inwardly from the cylindrical wall of the perforated tube and each of the plurality of second stage cyclonic separators has a corresponding one of the plurality of isolated air conduits.
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