FUEL INJECTOR COMPRISING A DAMPED INJECTOR NEEDLE

The invention relates to an injector for injecting fuel into the combustion chambers of an internal combustion engine. An injector body (20) is provided with a control chamber (4) which accommodates a spring element (45). An injector needle (6) is enclosed in a nozzle chamber (25) that is impinged u...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	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 invention relates to an injector for injecting fuel into the combustion chambers of an internal combustion engine. An injector body (20) is provided with a control chamber (4) which accommodates a spring element (45). An injector needle (6) is enclosed in a nozzle chamber (25) that is impinged upon by pressurized fuel via a high-pressure conduit (21). Control edges (28) are formed in the head zone (34, 38) of the injector needle (6), said control edges determining a leakage gap (33) when the injector needle (6) travels (29, 31) into the control chamber (4).