Engine Exhaust Gas Particulate Filter having Helically Configured Cells
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United States of America Patent
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Issued Date -
Sep 6, 2012
app pub date -
Mar 2, 2011
filing date -
Mar 2, 2011
priority date (Note) -
Abandoned
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Abstract
An engine exhaust gas particulate filter comprises a plurality of paired longitudinal flow cells having a first flow cell channel and a second flow cell channel. The first flow cell channel is disposed in fluid communication with the second flow cell channel through a common permeable filtration wall. Each of the plurality of paired longitudinal flow cells forms a non-linear flow path about a longitudinal axis of the engine exhaust gas particulate filter.
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