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 pertaining to an HC dosing system for exhaust cleaning. The unit includes a dosing unit (250) for fuel and a feed device (230) for fuel for cooling the fuel dosing unit (250) using fuel supplied to it, and running the feed device (230) to supply coolant fuel at reduced power. Also a computer program product containing program code (P) for implementing the method. Also an HC dosing system and a motor vehicle equipped with the system.