发明名称 |
Method to control the exhaust gas treating of a direct injection Otto engine and of a lean-burn engine |
摘要 |
Exhaust gas temperature (1) is measured. In lean running, this provides an indication of storage catalyst loading. Preferred features: One or more further operational parameters are used in forming the indication of storage catalyst loading. These include time since last rich-to-lean running transition, torque/Pme fluctuation, or injection timing. Exhaust gas temperature differential, measured between rich- and lean running, gives the required indication. A further parameter employed, is as cited previously. Temperature and temperature gradient of the exhaust gases are measured, the latter forming the required indication. A further operational parameter is selected as before. |
申请公布号 |
EP0943786(A3) |
申请公布日期 |
2002.10.23 |
申请号 |
EP19990103229 |
申请日期 |
1999.02.19 |
申请人 |
VOLKSWAGEN AKTIENGESELLSCHAFT |
发明人 |
STANDT, ULRICH-DIETER, DR. |
分类号 |
B01D53/94;F01N3/08;F01N9/00;F01N11/00;F02B1/04;F02B75/12;F02D41/02;F02D41/14 |
主分类号 |
B01D53/94 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|