Patent ID: 9133803
Filing Date: 2015-09-15
Classification: F02M

Abstract:
1. A fuel injector for a fuel injection system of an internal combustion engine, for direct injection of fuel into a combustion chamber, comprising: at least one excitable actuator and a valve element movable along a longitudinal valve axis an connectible in a sealing manner with a valve seat; a nozzle body at a spray-discharge end of the fuel injector; a plurality of flow-through regions are configured in the nozzle body and positioned circumferentially and upstream of the valve seat, between which, in each case, there are guidance regions for the valve element; and a plurality of spray-discharge orifices downstream from the valve seat; wherein a number of the plurality of the spray-discharge orifices is different from a number of the flow-through regions; and wherein at least two flow-through regions differ from each other in radial depth, such that a flow of the fuel is uniform.