High-pressure pump for feeding fuel to an internal combustion engine

A high-pressure pump for feeding fuel to an internal combustion engine has a pump housing; a fuel delivery duct; and a check valve, which is arranged along the delivery duct, and comprises a fuel chamber; a valve member mobile within the fuel chamber; and a biasing and guiding assembly, which has a...

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Bibliographische Detailangaben
Hauptverfasser: Marino, Giuseppe, De Luca, Alessandro, Caroli, Vittorio, Cavallo, Angela, Guarino, Rocco, Loiudice, Nicola, Roncone, Massimiliano, Ficarella, Giuseppe
Format: Patent
Sprache:eng
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Zusammenfassung:A high-pressure pump for feeding fuel to an internal combustion engine has a pump housing; a fuel delivery duct; and a check valve, which is arranged along the delivery duct, and comprises a fuel chamber; a valve member mobile within the fuel chamber; and a biasing and guiding assembly, which has a fastening member suitable for being fastened to the pump housing and sealing the fuel chamber in a fluid-tight manner; a helical spring suitable for biasing the valve member; and a bushing arranged about the helical spring in order to prevent bending of the helical spring.