Title:
排気浄化装置
Document Type and Number:
Japanese Patent JP6430446
Kind Code:
B2
Abstract:
An object is to provide an exhaust purification device capable of maintaining high holding power while preventing cracking in a mat during wrapping with a simple configuration. An exhaust purification device (1) includes a columnar honeycomb substrate (2), a belt-like mat (3) that includes a fibrous material and an inorganic binder and is wrapped around the honeycomb substrate (2), and a tubular casing (5) in which the honeycomb substrate (2) around which the mat (3) is wrapped is accommodated. The mat (3) includes an inner layer (31) in contact with the honeycomb substrate (2) and an outer layer (32) that is provided on the casing (5) side relative to the inner layer (31) and has a lower content of the inorganic binder than the inner layer (31).
Inventors:
Hiromi Yamamoto
Yuka Hatakeyama
Yuka Hatakeyama
Application Number:
JP2016159322A
Publication Date:
November 28, 2018
Filing Date:
August 15, 2016
Export Citation:
Assignee:
Honda motor industry stock company
International Classes:
F01N3/28
Domestic Patent References:
| JP2013204462A | ||||
| JP2002004848A | ||||
| JP2009508044A |
Attorney, Agent or Firm:
Masayuki Masabayashi
Hayashi Ichiyoshi
Hiroaki Hoshino
Hayashi Ichiyoshi
Hiroaki Hoshino