Device for the distribution of flowable additives in exhaust gas systems
AssigneesFriedrich Boysen GmbH & Co. KG, Bayerische Motoren Werke Aktiengesellschaft
InventorsHeinz Kornherr, Michael Mueller, Klaus Schoenberger, Bernhard Aichhorn, Gert Barnstedt, Hans-Juergen Bruene
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Abstract
A device is provided for the distribution of flowable additives in exhaust gas systems of an internal combustion engine, in particular for the distribution of a water/urea mixture in an exhaust gas system of a diesel engine, having an injection device in particular opening into the exhaust tract before a so-called SRC catalytic converter, with a swirl generation device being provided for the improvement of the mixing of the exhaust gas with the additive in the introduction region of the additive in the exhaust tract.
Claims1
A device for the distribution of flowable additives in exhaust gas systems of an internal combustion engine, for the distribution of a water/urea mixture in an exhaust gas system of a diesel engine, having an injection device opening into an exhaust tract before a SCR catalytic converter, wherein a swirl generation device is arranged in an introduction region of the additive in the exhaust tract, a tubular evaporator device for the additive is provided after the injection point and the swirl generation device, and a slight bulge is provided just before a pipe end of the evaporator device.
Dependencies are inferred from the claim text.