FUEL INJECTION CONTROL SYSTEM FOR INTERNAL COMBUSTION ENGINE

PROBLEM TO BE SOLVED: To stabilize a fuel pressure sucked by a high-pressure fuel pump at desired pressure in a fuel injection control system for an internal combustion engine system including an electric low-pressure fuel pump for sucking fuel from a fuel tank and a high-pressure fuel pump for boos...

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Bibliographische Detailangaben
Hauptverfasser:	SUGIMOTO TOMOJIRO, KOJIMA SUSUMU
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:	PROBLEM TO BE SOLVED: To stabilize a fuel pressure sucked by a high-pressure fuel pump at desired pressure in a fuel injection control system for an internal combustion engine system including an electric low-pressure fuel pump for sucking fuel from a fuel tank and a high-pressure fuel pump for boosting the pressure of fuel ejected from the low-pressure fuel pump.SOLUTION: The fuel injection control system for the internal combustion engine includes: the electric low-pressure pump which sucks the fuel from the fuel tank; the high-pressure fuel pump which boosts the pressure of the fuel ejected from the low-pressure fuel pump; a drive circuit which drives the low-pressure pump; and a control means which controls the drive circuit where a current value is used as a control parameter inputted from the control means to the drive circuit, and the drive circuit drives the low-pressure fuel pump so that the actual power consumption of the low-pressure fuel pump coincide with the current value inputted from the control means.