Title:
内燃機関用排気ライン
Document Type and Number:
Japanese Patent JP2005507474
Kind Code:
A
Abstract:
An exhaust system for an internal combustion engine comprises a catalysed particulate filter comprising a NOx absorbent capable of absorbing NOx contained in an exhaust gas when the composition of the exhaust gas is lambda >1, and capable of releasing the NOx absorbed in the NOx component when the exhaust gas composition is 1>=lambda, characterised in that the exhaust system further comprises a catalyst capable of oxidising NO to NO2 at least when the air-fuel ration of the exhaust gas is lean.
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Inventors:
Andrew, Francis, Schiffe
Paul, Richard, Phillips
Paul, Richard, Phillips
Application Number:
JP2003539841A
Publication Date:
March 17, 2005
Filing Date:
October 21, 2002
Export Citation:
Assignee:
JOHNSON MATTHEY PUBLIC LIMITED COMPANY
International Classes:
B01D53/86; B01D53/94; B01J20/04; F01N3/02; B01J23/58; G01N1/00; F01N3/023; F01N3/035; F01N3/08; G01N1/18; G01N1/28; G01N1/36; G01N1/38; B01J23/63; C02F1/72; C02F11/08; F01N13/02; (IPC1-7): F01N3/02; B01D53/86; B01D53/94
Attorney, Agent or Firm:
Kenji Yoshitake
Yukitaka Nakamura
Konno Akio
Noritaka Yokota
Takeshi Katata
Yukitaka Nakamura
Konno Akio
Noritaka Yokota
Takeshi Katata