Title:
ハニカム構造体
Document Type and Number:
Japanese Patent JP4920752
Kind Code:
B2
Abstract:
A honeycomb structure wherein the thickness of each partition wall is 50.8 µm inclusive to 161.5 µm exclusive, the cell density is 15.5 to 62.0 cells/cm 2 , the cell opening ratio of the honeycomb structure body is 76 to 91%, the porosity of the partition walls is 35 to 45%, the average pore diameter of the partition walls is 2 µm inclusive to 10 µm exclusive, the material for the partition walls includes at least one member selected from the group consisting of cordierite, aluminum titanate, silicon carbide, alumina and mullite, and the value obtained by dividing the average pore diameter of the partition walls by the thickness of the partition walls is larger than 0.04 but smaller than 0.065. A honeycomb structure which can capture a particulate matter contained in the exhaust gas emitted from a direct injection type gasoline engine, at a high capture efficiency while suppressing a rise in pressure loss is provided.
Inventors:
Chika Saito
Masataka Yamashita
Yukio Miyairi
Masataka Yamashita
Yukio Miyairi
Application Number:
JP2010000690A
Publication Date:
April 18, 2012
Filing Date:
January 05, 2010
Export Citation:
Assignee:
Nippon Insulator Co., Ltd.
International Classes:
B01D46/00; B01D39/20; B01D53/86; B01J35/04; B01J35/10; C04B38/00; C04B38/06; F01N3/022
Domestic Patent References:
| JP2009242133A | ||||
| JP2007285295A | ||||
| JP200325316A | ||||
| JP200324726A | ||||
| JP2009241343A | ||||
| JP2004162544A | ||||
| JP2002191985A |
Attorney, Agent or Firm:
Ippei Watanabe
Koji Kikawa
Hiroyuki Sato
Shigeru Koike
Koji Kikawa
Hiroyuki Sato
Shigeru Koike