Patent ID: 8444752
Filing Date: 2013-05-21
Classification: B01D

Abstract:
1. A particulate filter, comprising: an inlet end, an outlet end, and a plurality of parallel channels disposed and configured to flow fluid from the inlet end to the outlet end, the channels being defined by a plurality of porous walls configured to trap particulate matter, wherein the particulate filter defines at least one filtration region including a first group of channels and at least one bypass region including a second group of channels, wherein at least some of the channels in the first group of channels are plugged at an end thereof, wherein the channels in the second group of channels are unplugged, wherein less than or equal to about 5% of the channels in the second group are adjacent to channels that are plugged, and wherein greater than or equal to about 70% of the plurality of parallel channels are plugged at an end thereof; and further wherein at least one of the following conditions are satisfied: