Dirt separation system for a vacuum cleaner
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United States of America Patent
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Apr 22, 2008
Grant Date -
Dec 21, 2006
app pub date -
Apr 17, 2003
filing date -
Apr 17, 2003
priority date (Note) -
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status (Latency Note)
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Abstract
A vacuum cleaner includes a dirt separation system that has a dirt cup retaining a filter assembly having a screen element, an exit, and a filter element disposed between the screen element and the exit. A nozzle disposed in the dirt cup directs an airstream generally parallel to the surface of the screen element so that particles in the airstream are primarily separated by the screen element and, as the airstream ultimately travels towards the exit in the dirt cup, are secondarily separated by the filter element.
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