Helical flow filter
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United States of America Patent
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Oct 25, 2022
Grant Date -
Dec 10, 2020
app pub date -
Jun 10, 2019
filing date -
Jun 10, 2019
priority date (Note) -
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Abstract
A filter includes a filter outer wall, and a filter inner wall spaced apart from the filter outer wall. The filter inner wall and the filter outer wall define a filter void therebetween, and the filter inner wall and the filter outer wall extend along a filter axis. A volume of filtration material is positioned in the filter void, and a plurality of baffles extend between the filter inner wall and the filter outer wall. The plurality of baffles are configured to induce a helical component to an airflow entering the filter void at a first void end relative to the filter axis and exiting the filter void at a second void end opposite the first void end.
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