公开(公告)号：EP2469259A1

公开(公告)日：2012-06-27

申请号：EP11010203.5

申请日：2011-12-22

申请人： Horiba, Ltd.

发明人： Asami, Tetsuji ,  Ikeda, Hiroyuki ,  Komada, Mineyuki

IPC分类号： G01M15/10

CPC分类号： F01N11/00 ,  F01N13/009 ,  F01N2240/36 ,  G01N1/2252 ,  Y02T10/47

摘要： The present invention is one that, in exhaust gas analysis of a vehicle that stops rotation of an engine during driving the vehicle, solves problems due to the engine stop at once, and is provided with, on an upstream side of an analytical instrument 2, an exhaust gas introduction pipe 3 of which one end is opened to an exhaust gas flow path 300 and the other end is connected to the analytical instrument 2, and a switching mechanism that selectively switches between a sampling path L1 that samples exhaust gas from the exhaust gas introduction pipe 3 to introduce the sampled exhaust gas into the analytical instrument 2 and an air introduction path L2 that introduces air into the analytical instrument 2, wherein when the engine is operated, a path to the analytical instrument 2 is switched to the sampling path L1 by the switching mechanism 4, whereas when the engine is stopped, the path is switched to the air introduction path L2 by the switching mechanism.

摘要翻译： 本发明是在车辆驾驶期间停止发动机的转动的车辆的废气分析中，解决了由于发动机停止而产生的问题，并且在分析用具2的上游侧设置有： 排气导入管3，其一端与排气流路300开口，另一端与分析用具2连接;切换机构，其选择性地在从排气中取样废气的取样路径L1之间切换 气体引入管3将采样废气引入分析仪器2，以及将空气引入分析仪器2的空气引入路径L2，其中当发动机运转时，将分析仪器2的路径切换到采样路径 L1，而当发动机停止时，通过切换机构将路径切换到空气导入路径L2。