Exhaust purification device of internal combustion engine

Details Exhaust purification device of internal combustion engine Exhaust purification device of internal combustion engine

2007-03-22

2011-10-25

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...

C060S286000, C060S295000, C060S301000, C060S311000

Reexamination Certificate

active

08042327

ABSTRACT:
An engine with an exhaust passage in which a catalyst purifying NOxand an NOxadsorbent adsorbing NOxin an exhaust gas are arranged successively from the upstream side. After engine startup until the catalyst is activated, the NOxin the exhaust gas is adsorbed at the NOxadsorbent. NOxadsorbed at the NOxadsorbent is removed by dissolution by supplying a solvent from an injector. After the catalyst is activated, the solvent containing the NOxremoved by dissolution is sprayed from an injector and the NOxcontained in the sprayed solvent is purified by the catalyst.

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