FUEL INJECTION DEVICE FOR AN INTERNAL COMBUSTION ENGINE, COMPRISING A MAGNETO ARMATURE MADE OF COBALT AND IRON

The fuel injection apparatus has at least one solenoid valve (50) for controlling the fuel injection. The solenoid valve (50) is triggered by an electrical control unit (52) and has a magnetic coil (88) and a movable magnetic armature (88). The magnetic armature (80) can move a valve element (56) be...

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Bibliographische Detailangaben
Hauptverfasser:	BLANC, REGIS, CHRETIEN, LAURENT, GREIF, HUBERT
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BLASTING 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 injection apparatus has at least one solenoid valve (50) for controlling the fuel injection. The solenoid valve (50) is triggered by an electrical control unit (52) and has a magnetic coil (88) and a movable magnetic armature (88). The magnetic armature (80) can move a valve element (56) between at least two positions. The magnetic armature (88) is at least essentially comprised of an alloy, which at least contains iron and cobalt, wherein the cobalt content is between 10% and 50%. The control unit (52) evaluates the chronological progression of the current conduction through the magnetic coil (88) and based on it, determines the time of a switching state of the solenoid valve (50) at which a fuel injection begins.