| 摘要 |
The present invention relates to a device (2) for supplying a liquid reduction agent (8) into an exhaust-gas purification system. This device (2) comprises a mixing chamber (4) for mixing the reduction agent (8) with a gas (20), wherein a duct (6) for supplying the reduction agent (8) and a duct (24) for supplying the gas (20) are both connected to said mixing chamber. According to this invention, a control device (44) is used for controlling the flow rate of the reduction agent into the duct (6) according to the pressure (pg) in the gas duct (24).
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