Title:
EXHAUST EMISSION CONTROL DEVICE OF INTERNAL COMBUSTION ENGINE
Document Type and Number:
Japanese Patent JP2017040225
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide an inexpensive exhaust emission control device which can more quickly raise the temperature of an exhaust emission control catalyst than before, uniformize a flow of exhaust gas flowing in the exhaust emission control catalyst and reduce a pressure drop and heat deterioration.SOLUTION: An exhaust emission control device 1 comprises an exhaust introduction pipe 2 connected to the downstream end of an exhaust pipe which extends from an engine, a columnar honeycomb carrier 11 which is connected to the downstream end of the exhaust introduction pipe 2 and in which plural cells are partitioned and formed by porous partition walls to extend an upstream side end face 110 to a downstream side end face 111 of the honeycomb carrier, and an exhaust emission control catalyst carried by the honeycomb carrier 11. The exhaust introduction pipe 2 is increased in diameter toward the downstream side, and an exhaust introduction face 20, which is the downstream side end face of the exhaust introduction pipe, is provided inclined in a direction facing an upstream side end face 21 of the exhaust introduction pipe 2 with respect to the center axis X2 in the upstream side end face 21. The upstream side end face 110 of the honeycomb carrier 11 is formed along the exhaust introduction face 20 of the exhaust introduction pipe 2.SELECTED DRAWING: Figure 1
Inventors:
OTOMO NORIMASU
Application Number:
JP2015163150A
Publication Date:
February 23, 2017
Filing Date:
August 20, 2015
Export Citation:
Assignee:
HONDA MOTOR CO LTD
International Classes:
F01N3/28; B01D53/94; B01J35/04; F01N3/24; F02D35/00
Attorney, Agent or Firm:
Masayuki Masabayashi
Hayashi Ichiyoshi
Hiroaki Hoshino
Hayashi Ichiyoshi
Hiroaki Hoshino