Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
June 5, 2007
Patent Application Number
11211770
Date Filed
August 25, 2005
Patent Primary Examiner
Patent abstract
The invention refers to a method and apparatus for converting NOx and comprises the step of controlling a temperature in a NOx-LNT by adsorbing NOx in the LNT at a temperature below a predetermined temperature value to a predetermined value being the maximum amount of NOx to be stored at the predetermined temperature value, thereafter heating the LNT to the predetermined temperature value, and thereafter starting a regeneration process by addition of reducing agents.
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