Dust collection unit and vacuum cleaner with the same
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United States of America Patent
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Jan 12, 2010
Grant Date -
Jun 29, 2006
app pub date -
Sep 23, 2005
filing date -
Dec 27, 2004
priority date (Note) -
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status (Latency Note)
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Abstract
A dust collection unit for a vacuum cleaner includes a first filtering chamber filtering foreign objects using a cyclone airflow, a separation plate defining a top surface of the first filtering chamber, a filter having a diameter that is reduced as it goes downward in response to airflow rate variation in the first filtering chamber, and a blocking member provided under the filter to prevent the foreign objects filtered in the first filtering chamber from flying.
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Family
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Cited Art Landscape
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