Internal combustion engine with NO x adsorber

Details Internal combustion engine with NO x adsorber Internal combustion engine with NO x adsorber

2005-08-23

2005-08-23

Argenbright, Tony M. (Department: 3747)

Data processing: vehicles, navigation, and relative location

Vehicle control, guidance, operation, or indication

With indicator or control of power plant

C701S103000, C701S108000, C701S114000, C060S274000, C060S285000, C060S286000

Reexamination Certificate

active

06934622

ABSTRACT:
An internal combustion engine includes first and second exhaust paths, and a first NOxadsorber located in the first exhaust path. A flow control valve controls the relative amounts of exhaust gas flowing through the first and second exhaust paths. A first injector injects a reductant into the exhaust gas stream. The injector is located so as to inject the reductant at a location adjacent to the flow control valve to cause mixing of the reductant and the exhaust gas and to allow regeneration of the first NOxadsorber.

REFERENCES:
patent: 4359862 (1982-11-01), Virk et al.
patent: 4505106 (1985-03-01), Frankenberg et al.
patent: 6105365 (2000-08-01), Deeba et al.
patent: 6442933 (2002-09-01), Rusch
patent: 6523342 (2003-02-01), Küper et al.
patent: 6735940 (2004-05-01), Stroia et al.
patent: 6779339 (2004-08-01), Laroo et al.
patent: 2004/0040287 (2004-03-01), Beutel et al.

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