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Dust collection unit and vacuum cleaner with the same

  • US 20060137309A1
  • Filed: 09/23/2005
  • Published: 06/29/2006
  • Est. Priority Date: 12/27/2004
  • Status: Active Grant
First Claim
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1. A dust collection unit for a vacuum cleaner, comprising:

  • 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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