Patent ID: 6626149
Filing Date: 2003-09-30
Classification: F02M

Abstract:
An injection system for an internal combustion engine comprising one electronically controlled fuel pump (10) per engine cylinder to be supplied, an injection nozzle (12) that is provided with a nozzle needle (34), and a connecting line (14) between the fuel pump (10) and the injection nozzle (12), said injection nozzle being provided with an electronically controlled valve (48, 50; 50, 52), which is capable of controlling the opening of the nozzle needle (34), wherein said injection nozzle (12) is provided with a reservoir (13), in which a fluid can be dammed up by means of the electronically controlled valve (48, 50; 50, 52), so that the then operative pressure keeps the nozzle needle (34) in its closed position.