Fuel rail assemblies

A fuel rail assembly for direct injection of a gaseous fuel into an internal combustion engine comprises a fuel rail defining a flow passage for receiving gaseous fuel and a delivery injector for directly injecting fuel received from the fuel rail into a combustion chamber of the engine. The deliver...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Caley, David James, Gerlach, Thomas, Coplin, Nicholas
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TOTRANSPORTATION 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:	A fuel rail assembly for direct injection of a gaseous fuel into an internal combustion engine comprises a fuel rail defining a flow passage for receiving gaseous fuel and a delivery injector for directly injecting fuel received from the fuel rail into a combustion chamber of the engine. The delivery injector is arranged having a selectively openable delivery port for delivery of gaseous fuel into the combustion chamber when the delivery port is in an open condition. The fuel rail assembly further comprises a valve operable so as to interrupt the flow of gaseous fuel to the delivery injector for delivery into the combustion chamber. A containment zone is defined between the valve and the delivery port when the delivery port is in a closed condition, whereby the containment zone is selected so as to be a prescribed volume.