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1. 发明公开

EP2857823A4 EXHAUST GAS DILUTION DEVICE 无效
标题翻译：排气稀释装置
公开(公告)号：EP2857823A4
公开(公告)日：2016-02-24
申请号：EP13797667
申请日：2013-04-17
申请人： HORIBA LTD
发明人： ASAMI TETSUJI , TAKAKURA YOSHITOMO
IPC分类号： G01N1/22 , G01M15/10 , G01N33/00
CPC分类号： G01N1/2252 , G01M15/102 , G01N33/0018 , G01N33/0022 , G01N2001/2255
摘要： The present invention is intended that diluted exhaust gas is supplied to a plurality of measurement instruments by a single exhaust gas dilution device to thereby reduce in size an exhaust gas measurement system incorporated with the exhaust gas dilution device and dilute exhaust gas with the same exhaust gas under the same dilution condition in the plurality of measurement instruments. And the present invention is provided with: a sampling port 2 which is connected with a sampling line L1; a dilution air supply port 3 which is connected with a dilution air supply line L2; a diluter 4 for diluting a sample gas with dilution air; a main flow path 5 through which the diluted exhaust gas flows; a plurality of measurement instrument ports 7a-7c which are connected with measurement instrument lines L3a-L3c having measurement instruments 9a-9c including a PM measurement instrument and an exhaust gas measurement instrument; a plurality of branching flow rate adjustment mechanisms 10a-10c for adjusting a flow rate of the diluted exhaust gas flowing through each of branching flow paths 71a-71c; and a control device 8 for controlling the plurality of branch flow rate adjusting mechanisms 10a-10c on the basis of the flow rate of the exhaust gas flowing through an exhaust pipe EH.

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