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Systems and methods for tracking and indicating a status for the deliverable reductant, such as ammonia, in a canister used in an exhaust gas after-treatment system are disclosed. An on-board system provides a visual display to indicate either generally or specifically the fill-status of each of a p...

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Bibliographische Detailangaben
Hauptverfasser:	Hafner Gregory G, Kelso Jeffrey R
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING CALCULATING COMPUTING COUNTING ENGINE PLANTS IN GENERAL GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNALCOMBUSTION ENGINES GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES ORENGINES IN GENERAL HANDLING RECORD CARRIERS HEATING LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL PHYSICS PRESENTATION OF DATA RECOGNITION OF DATA RECORD CARRIERS SEPARATION STEAM ENGINES TRANSPORTING WEAPONS
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Beschreibung
Zusammenfassung:	Systems and methods for tracking and indicating a status for the deliverable reductant, such as ammonia, in a canister used in an exhaust gas after-treatment system are disclosed. An on-board system provides a visual display to indicate either generally or specifically the fill-status of each of a plurality of loaded ammonia canisters, while a separate canister system is able to be periodically updated while on-line and, using a memory device such as a RFID tag, carry the updated fill-status even when it is removed from the vehicle system. The residing memory device can be read off-line to determine the ammonia fill-status. Metering of the ammonia flow allows real-time monitoring and updating of the canister status.