FUEL PRESSURE CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE

In a fuel pressure control device for an internal combustion engine of the invention, a first map (FIG. 4A) for defining a first target fuel pressure for normal time and a second map (FIG. 5A) for defining a second target fuel pressure for suppressing noise and vibration smaller than the first targe...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	YAMADA, Masahiro, IMAMURA, Kazuhiko, KABASHIMA, Toshiyuki, AKIMOTO, Kenji
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING COMBUSTION ENGINES CONTROLLING COMBUSTION ENGINES HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS LIGHTING MECHANICAL ENGINEERING WEAPONS
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Beschreibung
Zusammenfassung:	In a fuel pressure control device for an internal combustion engine of the invention, a first map (FIG. 4A) for defining a first target fuel pressure for normal time and a second map (FIG. 5A) for defining a second target fuel pressure for suppressing noise and vibration smaller than the first target fuel pressure are stored. When an acquired fuel temperature is higher than a predetermined temperature, the first target fuel pressure defined in the first map is set as a target fuel pressure (steps 1 to 3), and when the fuel temperature is equal to or lower than the predetermined temperature, the second target fuel pressure defined in the second map is set as the target fuel pressure (steps 1, 5, and 6). The fuel pressure is controlled based on the set target fuel pressure (step 7).