Patent ID: 6161780
Filing Date: 2000-12-19
Classification: F02M

Abstract:
A fuel injection valve for an internal combustion engine, comprising:a valve body driven by a driving device between an open position and a closed position;a fuel jet adjusting plate for atomizing fuel injected when the valve body assumes the open position;a plurality of first nozzle holes formed in the fuel jet adjusting plate and arranged along a first circle coaxial with a central axis of the valve body; anda plurality of second nozzle holes formed in the fuel jet adjusting plate and arranged along a second circle coaxial with the central axis wherein a diameter of the second circle is larger than a diameter of the first circle, the second nozzle holes having an opening area smaller than an opening area of the first nozzle holes and wherein the valve bodv is arranged so that, when the valve body assumes the open position, fuel flows across the fuel jet adjusting plate from a radially outer area toward the central axis.