Title:
NOx排気ガス浄化方法
Document Type and Number:
Japanese Patent JP4180660
Kind Code:
B2
Abstract:
NOX conversion of exhaust gases from lean mixture engines such as Diesel engines is improved by providing a catalytic converter having three zones, the first zone containing an NOX storage material on a gamma -aluminum oxide layer, the second zone having a layer with a noble metal, and the third zone containing an oxygen storage layer.
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Inventors:
Pot ekkehard
Application Number:
JP51528098A
Publication Date:
November 12, 2008
Filing Date:
September 25, 1997
Export Citation:
Assignee:
Volkswagen Akchen Gesell shaft
International Classes:
F01N3/28; B01D53/94; B01J35/00; F01D21/08; F01N3/08; F01N3/10; F01N3/20; F01N3/22; F01N3/24; F01N11/00; F02D41/02; F02D41/04; F01N13/02; F02B1/04; F02M25/07
Domestic Patent References:
| JP6066185A | ||||
| JP8114116A | ||||
| JP6066135A | ||||
| JP8200045A | ||||
| JP8200049A | ||||
| JP8121147A | ||||
| JP7301117A | ||||
| JP7279718A | ||||
| JP5228342A | ||||
| JP8100639A |
Attorney, Agent or Firm:
Mitsufumi Esaki
Tsuneo Mihara
Okumura Yoshimichi
Blacksmith
Tsuneo Mihara
Okumura Yoshimichi
Blacksmith