发明名称 |
METHOD AND DEVICE PERTAINING TO COOLING OF DOSING UNITS OF HC DOSING SYSTEMS FOR EXHAUST CLEANING |
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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申请公布号 |
US2013111881(A1) |
申请公布日期 |
2013.05.09 |
申请号 |
US201113704389 |
申请日期 |
2011.06.20 |
申请人 |
LILJESTRAND ANDREAS;BREMBERG PER;CARLSSON ULF;ERIKSSON LARS |
发明人 |
LILJESTRAND ANDREAS;BREMBERG PER;CARLSSON ULF;ERIKSSON LARS |
分类号 |
F01N3/02 |
主分类号 |
F01N3/02 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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