Method and apparatus for reducing nitrogen oxides in the exhaust

Details Method and apparatus for reducing nitrogen oxides in the exhaust Method and apparatus for reducing nitrogen oxides in the exhaust

1994-06-09

1995-10-17

Hart, Douglas

Power plants

Internal combustion engine with treatment or handling of...

Material from exhaust structure fed to engine intake

60297, F02M 2506

Patent

active

054579589

ABSTRACT:
In an apparatus for reducing the nitrogen oxide emission of an internal combustion engine wherein the nitrogen oxides are removed from the engine exhaust gas in an adsorber from which they are subsequently purged by hot gases, the hot gases with the nitrogen oxides purged from the adsorber are returned to the air intake of the internal combustion engine for reaction in the combustion process in the internal combustion engine in which the nitrogen oxide is converted to nitrogen and oxygen.

REFERENCES:
patent: 3699683 (1972-10-01), Tourtellotte et al.
patent: 5085049 (1992-02-01), Rim
patent: 5125231 (1992-06-01), Patil
patent: 5253476 (1993-10-01), Levendis

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