Patent ID: 6155499
Filing Date: 2000-12-05
Classification: B23H,F02M

Abstract:
A fuel injection valve, comprising:a valve seat;a valve body including a valve opening, the valve opening being surrounded by the valve seat to form a spray opening;a valve needle including a closing head which cooperates with the valve seat, the valve needle being prestressed into a closed position, wherein when the valve needle is in the closed position, the valve needle extends through the valve opening to enable the closing head to contact the valve seat on a spray side of the valve needle; anda plurality of fuel channels distributed around a periphery of the valve body and situated in a flow path upstream from the spray opening, the fuel channels having cross sections which define a flow-path cross-section through the injection valve, the flow-path cross-section determining a flow rate of a fuel, the fuel channels and the valve opening configured to maintain the fuel in streams or strands as the fuel emerges from the fuel channels until downstream from the spray opening, the fuel channels being situated directly in the valve body upstream from the valve seat.