| 摘要 |
An exhaust gas system of an internal combustion engine, including a catalyst, and a cooling section provided upstream of the catalyst. The cooling section includes an additional cooling arrangement provided so that in all operating phases of the internal combustion engine with their different exhaust gas mass flow rates, the amount of thermal energy dissipated from the exhaust gas relative to a total amount of thermal energy present in the exhaust gas (relative heat dissipation) is increased in such a way that a maximum temperature reduction is obtained at intermediate values of the exhaust gas mass flow rate.
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