FUEL INJECTION VALVES FOR INTERNAL COMBUSTION ENGINES

Fuel injection valve having a valve body (1) in which a bore (3) with a valve needle (7) arranged therein is formed. The valve needle (7) interacts with a valve seat (4), formed in the valve body (1), in such a way that at least one injection opening (10; 10') can be opened or closed as a resul...

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Bibliographische Detailangaben
Hauptverfasser:	GIERSCH, ROLF-JUERGEN, DITTUS, BERND
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:	Fuel injection valve having a valve body (1) in which a bore (3) with a valve needle (7) arranged therein is formed. The valve needle (7) interacts with a valve seat (4), formed in the valve body (1), in such a way that at least one injection opening (10; 10') can be opened or closed as a result. Arranged in the bore (3) is a valve pin (5) which defines together with the valve needle (7) a first control space (25) which can be filled with fuel, wherein the fuel pressure in the first control space (25) acts on the valve needle (7) in such a way that the latter is pressed against the valve seat (4). Formed in the valve pin (5) is a longitudinal passage (22) leading to a second control space (27) in which a variable pressure can be set.