Title:
内燃機関の排気ガス浄化装置
Document Type and Number:
Japanese Patent JP4866628
Kind Code:
B2
Abstract:
To provide an exhaust gas cleaning apparatus of an internal combustion engine capable of driving the internal combustion engine at approximately a rated output point and retaining a sufficient exhaust gas cleaning function.
The exhaust gas cleaning apparatus of an internal combustion engine for cleaning an exhaust gas of an internal combustion engine is provided with a DPF 23 having a cell density of 300 cpsi or higher and 400 cpsi or lower and a DeNOx catalyst 33 with a catalyst density equal to or lower than the cell density of the DPF 23.
COPYRIGHT: (C)2007,JPO&INPIT
Inventors:
Toshihiko Nishiyama
Application Number:
JP2006048807A
Publication Date:
February 01, 2012
Filing Date:
February 24, 2006
Export Citation:
Assignee:
KOMATSU LTD.
International Classes:
B01D53/86; B01D53/94; B01J35/04; F01N3/022; F01N3/023; F01N3/025; F01N3/029; F01N3/24; F01N3/28; B01D46/42
Domestic Patent References:
| JP2007098274A | ||||
| JP2007138887A |
Foreign References:
| WO2006025283A1 |
Attorney, Agent or Firm:
Intellectual Property Office
Kinoshita Minoru
Kanji Nakayama
Tsuyoshi Ishizaki
Kinoshita Minoru
Kanji Nakayama
Tsuyoshi Ishizaki