CPO regenerated lean NOx trap with no moving parts

Details CPO regenerated lean NOx trap with no moving parts CPO regenerated lean NOx trap with no moving parts

2005-10-18

2005-10-18

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, C060S295000, C060S301000, C060S311000

Reexamination Certificate

active

06955042

ABSTRACT:
A single lean NOx trap (8) has an inlet manifold (10) with baffles (18–20) to divide the inlet manifold into three flow paths (11–13). Each flow path has a thermal reformer (24–26; CPO, (POX, or ATR) with an electric heater provided electric power by related lines (29–31). Fuel from a source (50) is controlled (45–46) to apply pulses of fuel through nozzles (40–42) into each corresponding path (11–13) in turn. A plurality of diesel particulate filters (14) are disposed in the flow paths (11–13) upstream of the lean NOx trap (8). A diesel oxidation catalyst (53) is disposed downstream of the lean NOx trap.

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U.S. Appl. No. 10/309,712, filed Dec. 4, 2002.

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