Honeycomb filter
AssigneeNGK Insulators, Ltd.
InventorsYudai Kurimoto, Yasuyuki Furuta, Fumihiko Yoshioka, Tatsuya Ohashi, Ayaka Sakai, Ritsuko Teranishi
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Abstract
A honeycomb filter comprising a pillar-shaped honeycomb structure body having a porous partition wall disposed to surround a plurality of cells which serve as fluid through channels extending from a first end face to a second end face and a plugging portion provided at an open end on the first end face side or the second end face side of each of the cells, wherein the partition wall has an average number of branches of pores existing at the outermost surface of the partition wall of greater than 7.5 and less than 9.0.
Claims3
A honeycomb filter comprising:
- a pillar-shaped honeycomb structure body having a porous partition wall disposed to surround a plurality of cells which serve as fluid through channels extending from a first end face to a second end face;
- and
- a plugging portion provided at an open end on the first end face or the second end face of each of the plurality of cells,
- wherein the partition wall has an average number of branches of pores existing at the outermost surface of the partition wall of greater than 7.5 and less than 9.0, and
- wherein the partition wall has an average neck diameter of a neck partitioning a plurality of pores on a surface of the partition wall of 6.0 μm or more and less than 9.0 μm.
Dependencies are inferred from the claim text.