System for assisting in the regeneration of motor vehicle...

Details System for assisting in the regeneration of motor vehicle... System for assisting in the regeneration of motor vehicle...

2004-10-05

2009-12-22

Nguyen, Tu M (Department: 3748)

Power plants

Internal combustion engine with treatment or handling of...

By means producing a chemical reaction of a component of the...

C060S274000, C060S280000, C060S285000, C060S295000, C060S297000

Reexamination Certificate

active

07634907

ABSTRACT:
System in which the depollution device is associated with an oxidation catalyst, and the engine is associated with a common rail for feeding it with fuel and adapted to implement a regeneration strategy using at least one post-injection of fuel into the cylinders. In the system, a request for regeneration (req.RG) can be detected, whether the engine is in a stage of idling can be detected, a temperature downstream from the catalyst can be acquired, a maximum duration for post-injection application during the stage of idling can be determined on the basis of said temperature, and the post-injection can be progressively reduced as soon as the duration of use has reached the maximum duration.

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