Regeneration of diesel particulate filters

Details Regeneration of diesel particulate filters Regeneration of diesel particulate filters

2006-10-24

2010-11-30

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, C060S297000, C060S311000

Reexamination Certificate

active

07841170

ABSTRACT:
Porous ceramic diesel particulate filters are regenerated to combust accumulated carbon particulates trapped therein through a controlled regeneration process wherein heat is input to the filter at a ramped or staged heating rate below that rate at which the particulate combustion process would proceed so rapidly and extensively that filter temperatures would be raised to filter-damaging levels.

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SAE Technical Papers, Document No. 2004-01-2657, Cutler, W, Floerchinger, P, et al.,Dpf Regeneration—Concept to Avoid Uncontrolled Regeneration During Idle, presented at SAE Commercial Vehicle Engineering Congress & Exhibition, Oct. 2004, Rosemont, IL, USA, Session: Emissions Aftertreatment: Particulate Control.

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