| 摘要 |
The invention relates to an exhaust duct segment (55) having a metering device (10) for adding in metered manner a reducing agent (16) to an exhaust duct (50) of an internal combustion engine, and to a method for adding in metered manner a reducing agent (16) to the exhaust duct (50) of an internal combustion engine, wherein the metering device (10) has a mixing chamber (20), and wherein a first supply duct (30) for a liquid reducing agent (16) and a second supply duct (40) for a gaseous propellant (18) open into the mixing chamber (20), characterised in that the mixing chamber (20) is arranged in a region (52) of the exhaust duct segment (55) that conducts exhaust gas. |
