Title:
EXHAUST EMISSION CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE
Document Type and Number:
Japanese Patent JP2009030567
Kind Code:
A
Abstract:
To surely collect PM in a DPF, while suppressing unnecessary energy consumption.
An exhaust emission control device for an internal combustion engine 1, has a filter 13 disposed in an exhaust passage 10 and collecting particulate matter in exhaust. The exhaust emission control device comprises: a coagulation means 22 disposed in the exhaust passage 10 upstream of the filter 13 and electrically-charging and coagulating the particulate matter in operation; and a control device 9 controlling the operation of the coagulation means 22. The control means 9 controls the operation of the coagulation means 22 depending on particle sizes of particulate matter.
Inventors:
IIO SHINICHI
NISHIZAWA TORU
AKAMA HIROSHI
NISHIZAWA TORU
AKAMA HIROSHI
Application Number:
JP2007197363A
Publication Date:
February 12, 2009
Filing Date:
July 30, 2007
Export Citation:
Assignee:
NISSAN MOTOR
International Classes:
F01N3/02; B01D51/00; B01D51/02
Attorney, Agent or Firm:
Masaki Goto
Masahiro Fujii
Yasunari Mita
Masaaki Iida
Masahiro Fujii
Yasunari Mita
Masaaki Iida
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