Method of switching from a liquefied gas fuel to a liquid fuel being provided to a direct injection combustion engine, and direct injection bi-fuel system for such an engine

A method of switching between liquefied gas fuel and liquid fuel consuming modes of a direct injection combustion engine including pumping liquefied gas fuel to a high pressure, pump for pumping the liquefied gas fuel to a high pressure rail of the engine during the liquefied gas fuel consuming mode...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Visscher Jeroen, Ten Broeke Sebastiaan Martinus Emanuel
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING COMBUSTION ENGINES COMBUSTION ENGINES IN GENERAL CONTROLLING COMBUSTION ENGINES HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS INTERNAL-COMBUSTION PISTON ENGINES LIGHTING MECHANICAL ENGINEERING SUPPLYING COMBUSTION ENGINES IN GENERAL, WITH COMBUSTIBLEMIXTURES OR CONSTITUENTS THEREOF WEAPONS
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Beschreibung
Zusammenfassung:	A method of switching between liquefied gas fuel and liquid fuel consuming modes of a direct injection combustion engine including pumping liquefied gas fuel to a high pressure, pump for pumping the liquefied gas fuel to a high pressure rail of the engine during the liquefied gas fuel consuming mode, switching to the liquid fuel consuming mode, pumping the liquid fuel to the high pressure pump, flushing liquefied gas fuel via a return line between the high pressure pump and a fuel tank, controlling pump operation, controlling flow through the return line, and controlling the pressure of the fuels.