Device for injecting fuel

A device is described for injecting fuel, which includes a valve body, an outwardly opening valve needle, which is disposed in the valve body in a pressure chamber filled with fuel, to which pressurized fuel is supplied; a restoring element, which returns the valve needle to an original position; an...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	ENGELBERG RALPH
Format:	Patent
Sprache:	eng
Schlagworte:	APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL ATOMISING APPARATUS BLASTING COMBUSTION ENGINES HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS LIGHTING MECHANICAL ENGINEERING NOZZLES PERFORMING OPERATIONS SPRAYING APPARATUS SPRAYING OR ATOMISING IN GENERAL SUPPLYING COMBUSTION ENGINES IN GENERAL, WITH COMBUSTIBLEMIXTURES OR CONSTITUENTS THEREOF TRANSPORTING WEAPONS
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Beschreibung
Zusammenfassung:	A device is described for injecting fuel, which includes a valve body, an outwardly opening valve needle, which is disposed in the valve body in a pressure chamber filled with fuel, to which pressurized fuel is supplied; a restoring element, which returns the valve needle to an original position; an electromagnetic actuator, which is disposed in an actuator chamber for actuating the valve needle; and a diaphragm, which is disposed in the actuator chamber and subdivides the actuator chamber into a first, fuel-filled region and a second, fuel-free region in fluid-tight manner, and which subdivides the valve needle into an injection-side portion and an actuator-side portion, the injection-side portion of the valve needle including a pressure-compensation plunger, which separates the pressure chamber from the first, fuel-filled region of the actuator chamber, the actuator being disposed in the second, fuel-free region.