公开(公告)号：EP2981346A1

公开(公告)日：2016-02-10

申请号：EP14715973.5

申请日：2014-03-18

申请人： Wärtsilä Finland Oy

发明人： LÖVHOLM, Markus ,  NORDBERG, Daniel ,  GRANHOLM, Sam

IPC分类号： B01D53/94 ,  F01N3/20 ,  F01N3/30 ,  G01N27/419

CPC分类号： F01N3/2066 ,  F01N3/306 ,  F01N2560/026 ,  F01N2560/20 ,  F01N2610/02 ,  F01N2610/148 ,  Y02T10/24

摘要： The NOx measurement system for an internal combustion engine comprises a measurement duct (1), a NOx-sensor (4), which is arranged in the measurement duct (1), a purging duct (2), which is connected to the measurement duct (1) for introducing pressurized air into the measurement duct (1), and means (2c) for heating the measurement duct (1).