PROCEDE DE DETECTION D'UN CHANGEMENT DE CARTOUCHE DE REDUCTEUR DANS UN SYSTEME SCR, LIGNE D'ECHAPPEMENT ET VEHICULE

The invention relates to a method for detecting a change of reducing agent canister in an SCR system (10) comprising a plurality of canisters (12) and pipes (14) connecting the canisters to an injector, characterized in that the method involves regulating the pressure within a first canister feeding...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	DURRIEU PASCAL, CHARIAL CHRISTOPHE, MASSOT GUILLAUME
Format:	Patent
Sprache:	fre
Schlagworte:	BLASTING 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 STEAM ENGINES WEAPONS
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Beschreibung
Zusammenfassung:	The invention relates to a method for detecting a change of reducing agent canister in an SCR system (10) comprising a plurality of canisters (12) and pipes (14) connecting the canisters to an injector, characterized in that the method involves regulating the pressure within a first canister feeding the pipes, increasing the pressure in a second canister and detecting that the pipes (14) are being supplied from the second canister by detecting that a pressure threshold in the pipes has been crossed. The invention also relates to an exhaust line and to a vehicle. This invention makes it possible to detect a change of active canister using pipe pressure information only.