HIGH-PRESSURE COMMON RAIL PUMP AND FUEL FEED SYSTEM FOR A COMMON RAIL ENGINE COMPRISING SAID PUMP

HIGH-PRESSURE COMMON RAIL PUMP AND FUEL FEED SYSTEM FOR A COMMON RAIL ENGINE COMPRISING SAID PUMP

A high-pressure common rail pump comprises a piston (20) sliding axially inside a seat (21), a cam (25) engaged with the piston (20) so as to transmit a reciprocating movement to the piston (20), and members (28) for engagement between the cam (25) and the piston (20). The engaging members (28) comp...

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Bibliographische Detailangaben
Hauptverfasser: RIZZO, GIOVANNI, IORIZZO, ROSANNA
Format: Patent
Sprache:eng ; fre
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 high-pressure common rail pump comprises a piston (20) sliding axially inside a seat (21), a cam (25) engaged with the piston (20) so as to transmit a reciprocating movement to the piston (20), and members (28) for engagement between the cam (25) and the piston (20). The engaging members (28) comprise a roller fitted idle on the cam (25). L'invention porte sur une pompe pour rampe commune haute pression, qui comprend un piston (20) coulissant axialement à l'intérieur d'un siège (21), une came (25) venant en prise avec le piston (20) de façon à transmettre un mouvement de va-et-vient au piston (20), et des éléments (28) pour une prise entre la came (25) et le piston (20). Les éléments de prise (28) comprennent un rouleau disposé de façon à avoir une rotation folle sur la came (25).