Multi-stage air filtration systems and associated apparatuses and methods
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United States of America Patent
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Oct 13, 2015
Grant Date -
Sep 18, 2014
app pub date -
Jun 20, 2013
filing date -
Mar 14, 2013
priority date (Note) -
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Abstract
Embodiments of multi-stage air filtration systems are disclosed herein. A filtration system configured in accordance with one embodiment includes at least a first filter and a second filter arranged in series in an exhaust stream. The first filter is arranged to hold a first active media in the exhaust stream, the second filter is arranged to hold a second active media in the exhaust stream, and the active media is selected to remove one or more contaminants known to be in the exhaust stream. The system also includes at least one sensor arranged to detect the presence of the one or more contaminants downstream of the first filter and/or the second filter.
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