Patent ID: 7614217
Filing Date: 2009-11-10
Classification: B01D,F01N,F02B,F02D,Y02T

Abstract:
1. A method of activating regeneration of a nitric oxide adsorber ( 8 ) for treating exhaust gas produced by an internal combustion engine ( 1 ) of a vehicle comprising the steps of: determining a quantity indicating the fill level (FILL) of said nitric oxide adsorber ( monitoring at least one of the running conditions of the vehicle and operating conditions of the engine ( activating regeneration of said nitric oxide adsorber ( deactivating regeneration of said nitric oxide adsorber ( generating an interrupt request (INT_RQST) as a function of the fill level (FILL) of the nitric oxide adsorber ( generating an interrupt authorization (INT_AUTH) in the presence of said interrupt request (INT_RQST) and of given operating conditions of the engine; and generating a deactivation request (DEACT_RQST) to deactivate regeneration of the nitric oxide adsorber (