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公开(公告)号：US11428181B2
公开(公告)日：2022-08-30
申请号：US16829679
申请日：2020-03-25
Applicant: Cummins Inc.
Inventor： Avra Brahma , Yongsoon Yoon
Abstract: Systems and apparatuses include an aftertreatment system including a catalyst, and a controller coupled to the aftertreatment system. During a warmup period for an engine coupled to the catalyst, the controller is configured to determine a value of a catalyst heating metric indicative of an amount of emissions produced per unit of exhaust energy based on information received from the engine and the aftertreatment system, and control at least one of a turbocharger, a fuel injection system, or an Exhaust Gas Recirculation (EGR) system to reach a target value of the catalyst heating metric.
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公开(公告)号：US20210301743A1
公开(公告)日：2021-09-30
申请号：US16829679
申请日：2020-03-25
Applicant: Cummins Inc.
Inventor： Avra Brahma , Yongsoon Yoon
Abstract: Systems and apparatuses include an aftertreatment system including a catalyst, and a controller coupled to the aftertreatment system. During a warmup period for an engine coupled to the catalyst, the controller is configured to determine a value of a catalyst heating metric indicative of an amount of emissions produced per unit of exhaust energy based on information received from the engine and the aftertreatment system, and control at least one of a turbocharger, a fuel injection system, or an Exhaust Gas Recirculation (EGR) system to reach a target value of the catalyst heating metric.
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