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Patent AT-E401117-T1: [Translated] CERAMIC FILTER FOR EXHAUST GAS CLEANING

Published by National Center for Biotechnology Information (NCBI) | U.S. Department of Health & Human Services | Metadata Last Checked: September 07, 2025 | Last Modified: 2025-09-06
A ceramic filter assembly integrated by adhering together a plurality of columnar honeycomb filters made of a porous ceramic sintered material with a ceramic sealing material layer and having a generally elliptical cross sectional shape when cut parallel to end faces of the plurality of honeycomb filters, the ceramic filter assembly characterized in that when a hypothetical first straight line intersects the generally elliptical contour at two points in which the distance therebetween is maximum and a hypothetical second straight line orthogonal to the first straight line intersects the generally elliptical contour at two points in which the distance therebetween is minimum, the number of sealing material layers the first straight line of the assembly traverses is less than or equal to the number of sealing material layers the second straight line traverses.

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