Title:
NOxトラップを脱硫酸化するための系
Document Type and Number:
Japanese Patent JP4546484
Kind Code:
B2
Abstract:
The exhaust system for an automobile internal combustion engine (4) has a NOx trap (1) working with a catalyst (2) integrated in the exhaust pipe (3). The engine has a control system (7,8) to deliver a lean fuel mixture (9) or a rich fuel mixture (10), and define four fuel mixture strategies (11-14) to hold the trap within a thermal window of maximum efficiency with desulfation.
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Inventors:
Collignon, Christoph
Application Number:
JP2006540500A
Publication Date:
September 15, 2010
Filing Date:
October 06, 2004
Export Citation:
Assignee:
Peugeot Citroen Otomobil Societe Anonym
International Classes:
F01N3/20; F01N3/08; F01N3/24; F01N3/28; F02D41/02; F02D41/38; F02D43/00
Domestic Patent References:
| JP4047115A | ||||
| JP2002038943A | ||||
| JP11141330A |
Attorney, Agent or Firm:
Kazuo Shamoto
Shinjiro Ono
Yasushi Kobayashi
Akio Chiba
Hiroyuki Tomita
Koji Hirayama
Shinjiro Ono
Yasushi Kobayashi
Akio Chiba
Hiroyuki Tomita
Koji Hirayama