Injection valve

An injection valve for injecting fuel comprises a valve housing inside of which a drive unit controls the movement of a valve needle that is pretensioned by a spring. The injection valve also comprises a main chamber, which is provided inside the valve housing, is filled with fuel and accommodates t...

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Bibliographische Detailangaben
Hauptverfasser: Bachmaier, Georg, Fischer, Bernhard, Gottlieb, Bernhard, Kappel, Andreas, Meixner, Hans, Ulivieri, Enrico
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:An injection valve for injecting fuel comprises a valve housing inside of which a drive unit controls the movement of a valve needle that is pretensioned by a spring. The injection valve also comprises a main chamber, which is provided inside the valve housing, is filled with fuel and accommodates the valve needle, and comprises a hydraulic bearing for the drive unit. The hydraulic bearing has a hydraulic chamber that is connected to the main chamber, whereby fuel serves as the operating substance of the hydraulic bearing.