DEVICE FOR MIXING A REDUCING AGENT INTO AN EXHAUST GAS FLOW OF AN INTERNAL COMBUSTION ENGINE

摘要

The invention relates to a device (1) for mixing a reducing agent (5) into an exhaust gas flow of an internal combustion engine, having an exhaust gas line (2) and having a dosing device (3) for supplying the reducing agent (5) to the exhaust gas line (2), wherein the dosing device (3) is disposed in or on a hollow body (4) disposed on the exhaust gas line (2), the interior volume of said hollow body being connected to the exhaust gas line (2) in an exhaust gas-conducting fashion, and wherein the reducing agent (5) may be injected into the hollow body (4), wherein a jacket body (6) is provided between the hollow body (4) and the injected reducing agent (5) that at least regionally surrounds the reducing agent (5) in the interior volume. By the design according to the invention, a buildup of reducing agent on the dosing device and hollow body is prevented.