HIGH-PRESSURE FUEL PUMP FOR AN INTERNAL COMBUSTION ENGINE WITH DIRECT INJECTION

A high-pressure fuel pump for an internal combustion engine with direct injection of fuel into at least one combustion chamber of the internal combustion engine is provided. The high-pressure fuel pump includes a low-pressure connection for low-pressure fuel, wherein the low-pressure connection supp...

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Bibliographische Detailangaben
Hauptverfasser:	CELOVIC SEVKET, THAYSEN ANDREAS
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TOTRANSPORTATION COMBUSTION ENGINES CONTROLLING COMBUSTION ENGINES GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS LIGHTING MECHANICAL ENGINEERING SUPPLYING COMBUSTION ENGINES IN GENERAL, WITH COMBUSTIBLEMIXTURES OR CONSTITUENTS THEREOF TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE WEAPONS
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Beschreibung
Zusammenfassung:	A high-pressure fuel pump for an internal combustion engine with direct injection of fuel into at least one combustion chamber of the internal combustion engine is provided. The high-pressure fuel pump includes a low-pressure connection for low-pressure fuel, wherein the low-pressure connection supplies low-pressure fuel to the high-pressure fuel pump, a low-pressure fuel supply chamber, a pump element and a high-pressure connection for discharging fuel from the high-pressure fuel pump. The low-pressure connection, the low-pressure fuel supply chamber, the pump element, and the high-pressure connection are provided in succession in a flow direction of the fuel. A medium-pressure fuel connection opens into a medium-pressure fuel supply chamber for supplying medium-pressure fuel to the high-pressure fuel pump. A fuel switching valve selectively connects the low-pressure fuel supply chamber or the medium-pressure fuel supply chamber in a fluid-conducting manner to the pump element.