Title:
HONEYCOMB STRUCTURE
Document Type and Number:
Japanese Patent JP2019171294
Kind Code:
A
Abstract:
To provide a honeycomb structure capable of improving the purifying performance while suppressing deterioration of the strength.SOLUTION: The honeycomb structure comprises a pillar-shaped honeycomb structure body 4 having porous partition walls. A plurality of cells 2 include partially clogged cells 2a that account for 10 to 80% of the total number of the plurality of cells 2, each of the partially clogged cells having a protrusion 5 protruding from a surface of the partition wall 1 into the cell 2. The protrusion 5 in each of the partially clogged cells 2a is formed on a portion in a direction in which the partially clogged cells 2a extend. Each of the partially clogged cells 2a, in a projected view in a direction extending from a first end face 11 to a second end face 12 of the honeycomb structure body 4, has a ratio of the area of the protrusions to the whole of the flow channel area including the protrusions 5 of the partially clogged cells 2a being 5 to 80%. The partition walls 1 surrounding each of the partially clogged cells 2a have a thickness at the thinnest part of 0.038 mm or more.SELECTED DRAWING: Figure 2
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Inventors:
KURIMOTO YUDAI
HIROSE SHOGO
HIROSE SHOGO
Application Number:
JP2018062667A
Publication Date:
October 10, 2019
Filing Date:
March 28, 2018
Export Citation:
Assignee:
NGK INSULATORS LTD
International Classes:
B01J35/04; F01N3/28
Domestic Patent References:
| JP2010104952A | 2010-05-13 | |||
| JP2011194320A | 2011-10-06 | |||
| JP2010104955A | 2010-05-13 | |||
| JP2003326162A | 2003-11-18 | |||
| JP2009154148A | 2009-07-16 |
Attorney, Agent or Firm:
Ippei Watanabe
Shigeru Koike
Shigeru Koike