Exhaust gas purifying system for engine

Details Exhaust gas purifying system for engine Exhaust gas purifying system for engine

1998-08-05

2000-11-07

Denion, Thomas

Power plants

Internal combustion engine with treatment or handling of...

By means producing a chemical reaction of a component of the...

60285, 60297, 123431, F01N 300

Patent

active

061419605

ABSTRACT:
An exhaust gas purifying system includes an exhaust gas purifying catalyst having a nitrogen oxide absorbing material which is installed in an exhaust line of an engine and performs split fuel injection to inject fuel directly into each combustion chamber partly during a suction stroke and partly during a compression stroke to provide and supply an increased amount of carbon monoxide to the nitrogen oxide absorbing material so as thereby to desorb sulfur oxides from the nitrogen oxide absorbing material.

REFERENCES:
patent: 5402641 (1995-04-01), Katoh et al.
patent: 5448887 (1995-09-01), Takeshima
patent: 5472673 (1995-12-01), Goto et al.
patent: 5607650 (1997-03-01), Debbage et al.
patent: 5735119 (1998-04-01), Asanuma et al.
patent: 5832722 (1998-11-01), Cullen et al.

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