发明申请
- 专利标题： METHOD FOR OPERATING AN EXHAUST SYSTEM OF AN INTERNAL COMBUSTION ENGINE
- 专利标题（中）： 操作内燃机排气系统的方法
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申请号： US13403658申请日： 2012-02-23
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公开(公告)号： US20120222401A1公开(公告)日： 2012-09-06
- 发明人: Stefan Scherer , Markus Gloeckle , Tobias Pfister
- 申请人： Stefan Scherer , Markus Gloeckle , Tobias Pfister
- 申请人地址： DE Stuttgart
- 专利权人： ROBERT BOSCH GMBH
- 当前专利权人： ROBERT BOSCH GMBH
- 当前专利权人地址： DE Stuttgart
- 优先权： DE102011004557.0 20110223
- 主分类号： F01N3/20
- IPC分类号： F01N3/20
摘要：
A method for operating an exhaust system of an internal combustion engine, wherein nitrogen oxide (NOx) is reduced by use of a SCR catalytic converter and wherein the ageing state of the SCR catalytic converter is monitored, characterized in that during a temporally limited phase having a high proportion of nitrogen oxide (NOx) in the exhaust gas, a conversion of said SCR catalytic converter is acquired and evaluated and the ageing state of said SCR catalytic converter is suggested therefrom.
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