FUEL DELIVERY SYSTEM

A fuel delivery system for a machine powered by Liquified Natural Gas (LNG) fuel is provided. The fuel delivery system includes a pressure sensor provided in fluid communication with a fuel supply line, a first valve provided in in association with a high-pressure fuel rail circuit, a second valve p...

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Bibliographische Detailangaben
Hauptverfasser:	Atterberry, Nathan P, Engfehr, Matthew J
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING COMBUSTION ENGINES CONTROLLING COMBUSTION ENGINES HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS LIGHTING MECHANICAL ENGINEERING SUPPLYING COMBUSTION ENGINES IN GENERAL, WITH COMBUSTIBLEMIXTURES OR CONSTITUENTS THEREOF WEAPONS
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Beschreibung
Zusammenfassung:	A fuel delivery system for a machine powered by Liquified Natural Gas (LNG) fuel is provided. The fuel delivery system includes a pressure sensor provided in fluid communication with a fuel supply line, a first valve provided in in association with a high-pressure fuel rail circuit, a second valve provided in association with a low-pressure circuit, and a controller. The controller is configured to receive a signal indicative of a pressure of the LNG fuel present in the fuel supply line. The controller is also configured to compare the pressure of the LNG fuel with a predetermined pressure threshold. The controller is further configured to control at least one of the first valve and the second valve to selectively supply the LNG fuel to the high-pressure fuel rail circuit and the low-pressure circuit based, at least in part, on the comparison.