Exhaust gas processing device and method for diesel engine

Details Exhaust gas processing device and method for diesel engine Exhaust gas processing device and method for diesel engine

2006-01-31

2006-01-31

Denion, Thomas (Department: 3748)

Power plants

Internal combustion engine with treatment or handling of...

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

C060S274000, C060S297000, C060S311000

Reexamination Certificate

active

06990803

ABSTRACT:
A controller (31) determines whether, during previous regeneration processing of a filter (41), the previous regeneration processing was interrupted or the previous regeneration processing was completed without interruption. An amount of DPM trapped in the filter (41) is estimated on the basis of a pressure loss in the filter (41) during running following uninterrupted completion of the previous regeneration processing in the previous regeneration processing of the filter (41), whereas the amount of DPM trapped in the filter (41) is estimated on the basis of an amount of discharged DPM during running following an interruption in the previous regeneration processing in the course of the previous regeneration processing of the filter (41).

REFERENCES:
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patent: 6574956 (2003-06-01), Moraal et al.
patent: 6622480 (2003-09-01), Tashiro et al.
patent: 6829890 (2004-12-01), Gui et al.
patent: 2003/0182936 (2003-10-01), Kitahara
patent: 2001-280118 (2001-10-01), None

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