Methods and systems for an aftertreatment arrangement

Methods and systems are provided for partially regenerating a lean Nox trap in response to an engine shutdown request. In one example, an engine shutdown is delayed so that a low-temperature storing region of the lean Nox trap is regenerated without regenerating a high-temperature storing region of...

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Bibliographic Details
Main Authors De Smet, Frederik, Balenovic, Mario
Format Patent
LanguageEnglish
Published 13.09.2022
Subjects
BLASTING
CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE ORDIFFERENT FUNCTION
CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES
ENGINE PLANTS IN GENERAL
GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNALCOMBUSTION ENGINES
GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES ORENGINES IN GENERAL
HEATING
LIGHTING
MACHINES OR ENGINES IN GENERAL
MECHANICAL ENGINEERING
PERFORMING OPERATIONS
ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TOTHE CONTROL OF A PARTICULAR SUB-UNIT
STEAM ENGINES
TRANSPORTING
VEHICLES IN GENERAL
WEAPONS
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Summary:Methods and systems are provided for partially regenerating a lean Nox trap in response to an engine shutdown request. In one example, an engine shutdown is delayed so that a low-temperature storing region of the lean Nox trap is regenerated without regenerating a high-temperature storing region of the lean Nox trap.
Bibliography:Application Number: US201916279662