Title:
EXHAUST GAS PURIFICATION DEVICE
Document Type and Number:
Japanese Patent JP2014231748
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide an exhaust gas purification device miniaturized in the whole shape of the device while utilizing performance of an SCR catalyst in maximum.SOLUTION: An exhaust gas purification device includes a first exhaust gas purification device 2 in which a front stage oxidation catalyst 21 and a DPF 22 are arranged in series, a second exhaust gas purification device 3 in which two SCR catalyst devices 5 respectively configured by arranging an SCR catalyst 51 and a rear stage oxidation catalyst 52 at a downstream side, in series, are arranged in parallel with each other, and an axis CL2 of each of the SCR catalyst devices arranged in parallel is orthogonal to an axis CL1 of the first exhaust gas purification device 2, and which has an inlet connecting portion 31 for connecting second inlet chambers 53 of two SCR catalyst devices 5, a communication pipe 7 for communicating a first outlet chamber 24 and the inlet connecting portion 31 of the first exhaust gas purification device 2, and a reducer addition nozzle disposed at an upstream portion of an exhaust gas flow channel of the communication pipe 7.
Inventors:
OKAMURA KOJI
Application Number:
JP2013111634A
Publication Date:
December 11, 2014
Filing Date:
May 28, 2013
Export Citation:
Assignee:
MITSUBISHI FUSO TRUCK & BUS
International Classes:
F01N3/08; B62D21/02; F01N3/023; F01N3/025; F01N3/029; F01N3/24; F01N3/28
Attorney, Agent or Firm:
誠真 IP patent business corporation
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