Procedure for the regeneration of a particle filter and for...

Details Procedure for the regeneration of a particle filter and for... Procedure for the regeneration of a particle filter and for...

2011-07-05

2011-07-05

Denion, Thomas E (Department: 3748)

Power plants

Internal combustion engine with treatment or handling of...

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

C060S274000, C060S285000, C060S301000, C060S311000

Reexamination Certificate

active

07971429

ABSTRACT:
The disclosure concerns a procedure for the regeneration of a particle filter and the desulfurization of a NOxstorage catalytic converter in an exhaust gas aftertreatment system of an internal combustion engine. The disclosed procedure allows for the necessary heating energy and fuel consumption required to completely or partially regenerating the particle filter to be significantly reduced. Furthermore, an increase in efficiency of the NOxstorage catalytic converter results, because the process reduces the average sulfur absorption on account of a greater frequency of desulfurization phases. In so doing, the NOxemissions after the NOxstorage catalytic converter can further be reduced.

REFERENCES:
patent: 2005/0022506 (2005-02-01), Nishizawa et al.
patent: 2006/0191257 (2006-08-01), Goralski et al.
patent: 2007/0271902 (2007-11-01), Noirot et al.
patent: 199 45 336 (2001-03-01), None
patent: WO 2005052331 (2005-06-01), None

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