FUEL PUMP FOR A DIRECT INJECTION SYSTEM

A valve assembly (7) for a fuel pump (1) and having: a one-way outlet closing valve (8), which only allows fuel to flow out; a one-way pressure relief valve (9), which only allows fuel to flow in; a connector (11), which has a housing (13) on the inside; and a valve disc (14), which engages the hous...

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Bibliographische Detailangaben
Hauptverfasser:	MANCINI, Luca, PETRONE, Michele, PASQUALI, Paolo, MARIANELLO, Riccardo, PETRECCHIA, Stefano, SPIZZIRRI, Armando
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:	A valve assembly (7) for a fuel pump (1) and having: a one-way outlet closing valve (8), which only allows fuel to flow out; a one-way pressure relief valve (9), which only allows fuel to flow in; a connector (11), which has a housing (13) on the inside; and a valve disc (14), which engages the housing (13) of the connector (11) and has a plurality of through outlet holes (18) and a through relief hole (20). A shutter of the outlet closing valve (8) consists of a flexible sheet (22), which is fixed to the valve disc (14) and has: a plurality of shutting portions (23) arranged in the area of the outlet holes (18); a peripheral mounting portion (25) with an annular shape; a plurality of outer connection portions (26), each connecting the peripheral mounting portion (25) to a corresponding shutting portion (23); a central mounting portion (24); and a plurality of inner connection portions (27), each connecting the central mounting portion (24) to a corresponding shutting portion (23).