发明申请
US20130111881A1 METHOD AND DEVICE PERTAINING TO COOLING OF DOSING UNITS OF HC DOSING SYSTEMS FOR EXHAUST CLEANING
审中-公开
HC排放系统用于排除清洁剂的装置的冷却方法和装置
- 专利标题： METHOD AND DEVICE PERTAINING TO COOLING OF DOSING UNITS OF HC DOSING SYSTEMS FOR EXHAUST CLEANING
- 专利标题（中）： HC排放系统用于排除清洁剂的装置的冷却方法和装置
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申请号： US13704389申请日： 2011-06-20
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公开(公告)号： US20130111881A1公开(公告)日： 2013-05-09
- 发明人: Andreas Liljestrand , Per Bremberg , Ulf Carlsson , Lars Eriksson
- 申请人： Andreas Liljestrand , Per Bremberg , Ulf Carlsson , Lars Eriksson
- 优先权： SE1050644-2 20100621
- 国际申请： PCT/SE11/50792 WO 20110620
- 主分类号： F01N3/02
- IPC分类号： F01N3/02
摘要：
A method for cooling a dosing unit (250) pertaining to HC dosing system for exhaust cleaning. The dosing unit (250) for fuel and a feed device (230) to supply fuel for cooling. The steps include cooling a fuel dosing unit (250) by fuel supplied to intermittently, in mutually successive respective periods of zero operating power of the feed device, or running at certain operating powers by running a fuel feed device (230) at reduced power compared with ordinary operation. A computer programme product containing programme code (P) for a computer (200; 210; 500) for implementing the method. An HC dosing system. A motor vehicle equipped with the system.
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