CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE

PROBLEM TO BE SOLVED: To improve insufficient fuel supply caused by a reduction in fuel supply pressure. SOLUTION: A waste gate valve is fully opened (step S18) and also the opening of a throttle valve is restricted (step S20), when the actual fuel pressure Pf which is pressure of fuel actually supp...

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Bibliographische Detailangaben
Hauptverfasser:	FUKUDA TOSHIMI, HIRAISHI FUMIAKI, MURAKAMI NOBUAKI
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TOTRANSPORTATION COMBUSTION ENGINES COMBUSTION ENGINES IN GENERAL 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 INTERNAL-COMBUSTION PISTON ENGINES LIGHTING MECHANICAL ENGINEERING 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 improve insufficient fuel supply caused by a reduction in fuel supply pressure. SOLUTION: A waste gate valve is fully opened (step S18) and also the opening of a throttle valve is restricted (step S20), when the actual fuel pressure Pf which is pressure of fuel actually supplied to a fuel injection valve is lower than a target fuel pressure Pfobj which is required pressure of fuel supplied to the fuel injection valve according to the operation of an engine and the difference between the actual fuel pressure and the target fuel pressure is larger than a predetermined pressure P1 (step S16). COPYRIGHT: (C)2008,JPO&INPIT