Extended pump-valve-nozzle unit having hydraulic-mechanical translation

The invention relates to a fuel injection apparatus for an internal combustion engine, having an injection valve (14) that protrudes into the combustion chamber of the engine. This valve communicates with a valve chamber (6.1), in that a control part (6) closes and opens inlet bores (5, 8) for fuel...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: MACK MANFRED, MELSHEIMER ANJA, BECK MATTHIAS
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:The invention relates to a fuel injection apparatus for an internal combustion engine, having an injection valve (14) that protrudes into the combustion chamber of the engine. This valve communicates with a valve chamber (6.1), in that a control part (6) closes and opens inlet bores (5, 8) for fuel that is at high pressure. The control part (6) is actuatable by means of a hydraulic-mechanical booster (18, 19, 20, 21). The pump part (P), valve part (V) and nozzle part (D) of the fuel injection apparatus (1) are disposed in a vertical arrangement, hydraulically in line with one another in terms of the fuel flow.