Rail pressure regulation concept for rail pressure regulators with several actuators

The engine has a common-rail-fuel-injection system with an unregulated high pressure pump. A low pressure control valve (6) in a fuel supply line in the pump is activated and is controlled by an electronic controller (13). The pump is connected with a high pressure storage device by a high pressure...

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Bibliographische Detailangaben
1. Verfasser:	FRIESEN, ANDREAS
Format:	Patent
Sprache:	eng ; fre ; ger
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:	The engine has a common-rail-fuel-injection system with an unregulated high pressure pump. A low pressure control valve (6) in a fuel supply line in the pump is activated and is controlled by an electronic controller (13). The pump is connected with a high pressure storage device by a high pressure line. A high pressure control valve (11) determines a volume flow to be controlled and is controlled by the controller. The high pressure valve is activated in a high-pressure system. The valves are controlled without change-over between low pressure and high pressure control processes. An independent claim is also included for a method for controlling a common-rail-fuel-injection system of an internal combustion engine.