Nixon & Vanderhye PC
Exhaust gas purification filter
An exhaust gas filter is capable of suppressing the generation of an excessive pressure loss due to the particulates deposited. At least a part of a multiplicity of cells surrounded by partitioning walls of the honeycombed exhaust gas purification filter have plugs on one of their two end portions. At least a part of the cells to be arranged on the downstream side in the fluid path are partial plugs having openings allowing the fluid flow. The pressure loss caused when the fluid entering the cells passes through the partitioning walls is smaller than the pressure loss caused when the exhaust gas passes through the partial plugs.
Denso Corporation
F F Y B F B Y Y B
F01N F01N Y10S B01D F01N B01D Y02T Y10T B01D
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Mamoru Mikio Hirohumi
Nishimura Ishihara Yamashita