Regeneration system for a diesel engine exhaust gas particulate filter

摘要

A regeneration aid system (4) for a particulate filter integrated into the exhaust line (2) of a diesel engine of a motor vehicle, comprising means (5) for injecting fuel into at least some of the cylinders of the engine (1) during the expansion stage thereof in order to cause an increase, without any modification of engine torque as requested by the user, in the temperature of the exhaust gas therein, so that regeneration aid can be provided with respect to the filter, characterized in that the means of injection (5) are adapted in order to result in several fuel injections in calibrated amounts spread out in time during the expansion stage.