Diesel particulate filter ash removal

Power plants – Internal combustion engine with treatment or handling of... – By means producing a chemical reaction of a component of the...

Reexamination Certificate

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Details

C060S274000, C060S311000

Reexamination Certificate

active

07047731

ABSTRACT:
Disclosed herein is a method for reducing internal combustion engine contaminate and additive particulate matter from a particulate filter the method including accessing the filter and entraining particulate matter in a fluid stream. Further disclosed herein is an internal combustion engine particulate filter system including a canister, a filter media mounted in said canister and an access opening in said canister. Yet still further disclosed herein is a method for determining condition of a particulate filter in situ including establishing a vacuum value for a clean particulate filter in situ, establishing a vacuum value for a used particulate filter in situ; and comparing the established value for the clean filter versus the used filter.

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