- 专利标题： System for preventing the urea crystal formation within an exhaust gas after treatment system
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申请号： US14905363申请日： 2014-07-18
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公开(公告)号： US09995194B2公开(公告)日： 2018-06-12
- 发明人: Daniel Assalve , John Campbell , Harald Fessler , Reto Schlegel
- 申请人： FPT MOTORENFORSCHUNG AG
- 申请人地址： CH Arbon
- 专利权人： FPT Motorenforschung AG
- 当前专利权人： FPT Motorenforschung AG
- 当前专利权人地址： CH Arbon
- 代理机构： Stetina Brunda Garred and Brucker
- 优先权： EP13177048 20130718
- 国际申请： PCT/EP2014/065504 WO 20140718
- 国际公布： WO2015/007885 WO 20150122
- 主分类号： F23R3/40
- IPC分类号： F23R3/40 ; F01N3/20
摘要：
System for preventing the urea crystal formation within the ATS, the exhaust ATS comprising a dosing module having dosage means for producing a spray of urea-based reducing agent defining a spray cone downstream of the dosage means, the device comprising an electric heating element, suitable to be connected to an electrical energy source, arranged in order to operatively fall within the spray cone.