Pressure signal monitoring method for vehicle Diesel engine exhaust cleaner, has pressure signal verified with respect to set value at certain operating conditions

The pressure signal monitoring method for a motor vehicle Diesel engine (100) exhaust cleaner involves determining the pressure difference between the inlet and outlet of a particulate filter (115) in the exhaust duct (110). The pressure signal produced is verified corresponding to a set value, at c...

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Bibliographische Detailangaben
Hauptverfasser:	HAAS ACHIM, PLOTE HOLGER, WALTER MICHAEL, SOJKA JUERGEN, KRAUTTER ANDREAS
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	BLASTING CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TOTRANSPORTATION COMBUSTION ENGINES CONTROLLING COMBUSTION ENGINES ENGINE PLANTS IN GENERAL GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNALCOMBUSTION ENGINES GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES ORENGINES IN GENERAL GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION STEAM ENGINES TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE TRANSPORTING WEAPONS
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Beschreibung
Zusammenfassung:	The pressure signal monitoring method for a motor vehicle Diesel engine (100) exhaust cleaner involves determining the pressure difference between the inlet and outlet of a particulate filter (115) in the exhaust duct (110). The pressure signal produced is verified corresponding to a set value, at certain operating conditions of the engine. Claims include a monitoring circuit and program using the method. Procédé de surveillance d'un signal de pression qui caractérise la différence de pression entre l'entrée et la sortie d'un système de traitement de gaz d'échappement notamment d'un filtre à particules.Dans certains états de fonctionnement on vérifie si le signal de pression correspond au moins à une certaine valeur.