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2. 发明公开

EP2904228A1 ABGASREINIGUNGSEINRICHTUNG 失效
公开(公告)号：EP2904228A1
公开(公告)日：2015-08-12
申请号：EP13779536.5
申请日：2013-10-08
申请人： AVL List GmbH
发明人： PUSCHNIK, Andreas , CARTUS, Thomas , WIESER, Karl , ZALLINGER, Michael , SACHER, Thomas
IPC分类号： F01N3/20
CPC分类号： B01D53/9431 , B01D53/9477 , F01N3/2066 , F01N2470/00 , F01N2610/02 , F01N2610/1453 , Y02T10/24
摘要： The invention relates to an exhaust gas cleaning device (2) for an internal combustion engine, with an injection module (1) for a reduction agent, particularly urea, having a housing (3) with a main chamber (4), in which main chamber (4) a mixing tube (5) is arranged downstream of a metering chamber (6) into which the reduction agent is injected by means of an injection device (11). The injection module (1) for exhaust gas has at least one first inlet (8) into the main chamber (4) and at least one first outlet (7b) out of the mixing tube (5). In order to achieve a high exhaust gas quality in as simple and space-saving a manner as possible, the metering chamber (6) has at least one second inlet (12) for exhaust gas, the main chamber (4) has at least one second outlet (9) for exhaust gas, and the main chamber (4) is separated in a gas-tight manner from the metering chamber (6) and from the interior (5a) of the mixing tube (5).
摘要翻译：本发明涉及一种用于内燃机的废气净化装置（2），其具有用于还原剂的注射模块（1），特别是尿素，具有带有主室（4）的壳体（3），主体室（4）中，混合管（5）布置在计量室（6）的下游，通过注射装置（11）将还原剂注入到其中。用于废气的注射模块（1）具有至少一个进入主室（4）的第一入口（8）和离开混合管（5）的至少一个第一出口（7b）。为了以尽可能简单和节省空间的方式实现高废气质量，计量室（6）具有用于废气的至少一个第二入口（12），主室（4）具有至少一个用于废气的第二出口（9），并且主室（4）以气密方式从计量室（6）和从混合管（5）的内部（5a）分离。

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