Brennstoffeinspritzventil mit piezoelektrischer Einspritzverlaufregelung

Brennstoffeinspritzventil mit piezoelektrischer Einspritzverlaufregelung

A fuel injector (10) includes an injector body (11) that defines a nozzle outlet (14). A needle valve member (40) is mounted in the injector body (11) and moveable a lift distance between an open position in which the nozzle outlet (14) is open, and a closed position in which the nozzle outlet (14)...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: SHINOGLE, RONALD D, RAJAGOPALAN, SENTHILKUMAR
Format: Patent
Sprache: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:A fuel injector (10) includes an injector body (11) that defines a nozzle outlet (14). A needle valve member (40) is mounted in the injector body (11) and moveable a lift distance between an open position in which the nozzle outlet (14) is open, and a closed position in which the nozzle outlet (14) is blocked. A piezoelectric actuator (30) is mounted in the injector body (11) and is moveable a piezo distance between an off position and an on position. A coupling linkage (18) interconnects the needle valve member (40) to the piezoelectric actuator (30) such that a movement of the piezoelectric actuator (30) is multiplied into a larger movement of the needle valve member (40).