PROCEDIMENTO E DISPOSITIVO PER LA DIAGNOSI DELL'AVARIA DI UN DISPOSITIVO DI ALIMENTAZIONE DEL COMBUSTIBILE DI UN SISTEMA DI ALIMENTAZIONE DE

The fuel feed fault detection method for a motor vehicle engine is for a fuel feed with pumps (4,5) having inlets below the fuel tank (1) level and outlets feeding the engine. The method involves directly or indirectly measuring the current flow intensity in the pumps using a sensor (14). The curren...

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Bibliographische Detailangaben
Hauptverfasser:	HUFNAGEL KLAUS-DIETER, KROEPKE KARSTEN, RICHTER INGO, FRENZ THOMAS, JOOS KLAUS, KIRSCHNER MANFRED, WOLBER JENS, ROLLWAGE MATHIAS, AMLER MARKUS
Format:	Patent
Sprache:	ita
Schlagworte:	BLASTING COMBUSTION ENGINES CONTROLLING COMBUSTION ENGINES HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS LIGHTING MECHANICAL ENGINEERING SUPPLYING COMBUSTION ENGINES IN GENERAL, WITH COMBUSTIBLEMIXTURES OR CONSTITUENTS THEREOF WEAPONS
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Beschreibung
Zusammenfassung:	The fuel feed fault detection method for a motor vehicle engine is for a fuel feed with pumps (4,5) having inlets below the fuel tank (1) level and outlets feeding the engine. The method involves directly or indirectly measuring the current flow intensity in the pumps using a sensor (14). The current flows are compared to each other and a diagnostic signal (19) is produced. Each pump can have a detector (15,17) to measure the current. The current intensity measurement can be via a shunt. An independent claim is included for a detection circuit using the method.