Honeycomb structure and exhaust gas purifying device
AssigneeNGK Insulators, Ltd.
InventorsTakafumi KIMATA, Yukio MIYAIRI, Masaaki MASUDA, Kazuya HOSODA
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Abstract
A pillar shaped honeycomb structure, including: an outer peripheral wall; and a porous partition wall disposed inside the outer peripheral wall, the a porous partition wall defining a plurality of cells, each of the cells extending from one end face to other end face to form a flow path, wherein a surface of the porous partition wall in the cells comprise a collecting layer having an average pore diameter lower than that of the porous partition wall; and wherein magnetic particles having a Curie point of 700° C. or higher are provided either or both between the surfaces of the porous partition wall and the collecting layer, and on the collecting layer.
Claims17
A pillar shaped honeycomb structure, comprising:
- an outer peripheral wall;
- and
- a porous partition wall disposed inside the outer peripheral wall, the porous partition wall defining a plurality of cells, each of the cells extending from one end face to other end face to form a flow path,
- wherein a surface of the porous partition wall in the cells comprise a collecting layer having an average pore diameter lower than that of the porous partition wall;
- and
- wherein magnetic particles having a Curie point of 700° C. or higher are provided either or both between the surfaces of the porous partition wall and the collecting layer, and on the collecting layer.
Dependencies are inferred from the claim text.