The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 28, 2020
Filed:
Mar. 15, 2018
Applicant:
Ngk Insulators, Ltd., Nagoya, JP;
Inventor:
Takayuki Ogata, Nagoya, JP;
Assignee:
NGK Insulators, Ltd., Nagoya, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01J 35/04 (2006.01); B01D 46/24 (2006.01); C04B 38/00 (2006.01); F01N 3/28 (2006.01);
U.S. Cl.
CPC ...
B01J 35/04 (2013.01); B01D 46/247 (2013.01); B01D 46/2429 (2013.01); B01D 46/2474 (2013.01); C04B 38/0009 (2013.01); F01N 3/2828 (2013.01); B01D 2046/2433 (2013.01); B01D 2046/2481 (2013.01); B01D 2046/2492 (2013.01); B01D 2046/2496 (2013.01); F01N 2330/34 (2013.01); F01N 2330/38 (2013.01);
Abstract
A honeycomb structure includes a pillar-shaped honeycomb structure body having porous partition walls, wherein the partition walls have projecting portions, the projecting portions include specific projecting portions in which side surfaces have a divergent shape inclined at an inclination angle of 40 to 70°, a relation of 0.04≤H/A≤0.40 is satisfied, a relation of 0.04≤H/A≤0.38 is satisfied, the height H of the specific projecting portion and the height Hof the hem satisfy a relation of H<H, and a ratio of a total number of the specific projecting portions is 2.5% or more.