FUEL SUPPLY SYSTEM

PROBLEM TO BE SOLVED: To provide a fuel supply system capable of quickly diagnosing failure of the system. SOLUTION: An FI-ECU (Fuel Injection-Electronic Control Unit) 50 of this fuel supply system 1 determines success in starting of an engine by a power source control unit 10 based of output from t...

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Bibliographische Detailangaben
Hauptverfasser:	HIJIKATA JOJI, EBINUMA YUTA, BABA SHIGEKI, YAMAZAKI EIJI, NAKAMURA TORU
Format:	Patent
Sprache:	eng
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:	PROBLEM TO BE SOLVED: To provide a fuel supply system capable of quickly diagnosing failure of the system. SOLUTION: An FI-ECU (Fuel Injection-Electronic Control Unit) 50 of this fuel supply system 1 determines success in starting of an engine by a power source control unit 10 based of output from the power source control unit 10 and a detection result of a rotation sensor, and outputs a first command signal for setting a first pump 70 in a first mode when starting the engine, a second command signal for setting the first pump 70 in a second mode when determining that starting of the engine fails in the first mode and a third command signal for setting the first pump 70 in a third mode after the second mode, as a command signal, and diagnoses the failure of the system by using a kind of the command signals and a state signal from an FPC (Fuel Pump Controller) 60. COPYRIGHT: (C)2011,JPO&INPIT