发明名称 |
METHOD FOR OPERATING A REAGENT METERING VALVE AND APPARATUS FOR CARRYING OUT THE METHOD |
摘要 |
The invention relates to a method for operating a metering valve arranged in an exhaust gas region of an internal combustion engine for metering a reagent or a precursor of a reagent, comprising a cooling device to prevent excess temperatures. The invention further relates to a device for carrying out the method. During metering breaks of the regular metering process, a targeted predetermined minimum amount is metered for the cooling of the metering valve, if required. |
申请公布号 |
US2009288395(A1) |
申请公布日期 |
2009.11.26 |
申请号 |
US20070306125 |
申请日期 |
2007.11.08 |
申请人 |
HAEBERER RAINER;HORN MATTHIAS |
发明人 |
HAEBERER RAINER;HORN MATTHIAS |
分类号 |
F01N3/00;F01N3/023;F01N3/035;F01P1/06 |
主分类号 |
F01N3/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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