Diesel vehicle exhaust aftertreatment apparatus and method

Details Diesel vehicle exhaust aftertreatment apparatus and method Diesel vehicle exhaust aftertreatment apparatus and method

2005-10-07

2008-12-02

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...

C060S287000, C060S288000, C060S311000

Reexamination Certificate

active

07458207

ABSTRACT:
The aftertreatment apparatus and method of the invention concentrate diesel exhaust under low engine load conditions in a motor vehicle, such as idling, before filtering the diesel exhaust. The apparatus has a housing which is in fluid communication with a filter and other components of the diesel exhaust system. The apparatus has an exhaust concentrator to concentrate the low load diesel exhaust. The concentrated exhaust is directed a limited part of the filter and/or the catalytic device, such as the center. The exhaust concentrator is at least partially disposed within the housing.

REFERENCES:
patent: 4558565 (1985-12-01), Kojima et al.
patent: 5121601 (1992-06-01), Kammel
patent: 5282002 (1994-01-01), Jacobs et al.
patent: 5956944 (1999-09-01), Dementhon et al.
patent: 6233926 (2001-05-01), Bailey et al.

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