초록 ▼

A fuel injection valve for a fuel injection system of an internal combustion engine, in particular for injecting fuel directly into the combustion chamber of the internal combustion engine. The fuel injection valve has a magnet coil, an armature that can be pulled by the magnet coil in a direction o

A fuel injection valve for a fuel injection system of an internal combustion engine, in particular for injecting fuel directly into the combustion chamber of the internal combustion engine. The fuel injection valve has a magnet coil, an armature that can be pulled by the magnet coil in a direction of lift against a first return spring, and a valve needle. The valve needle has a first stop surface for the armature, which can be moved relative to the valve needle. The armature is acted upon by a second return spring. In addition, a stationary second stop surface for the armature is provided. The second return spring acts upon the armature in a direction opposite to the lift and in an inoperative position, when the magnet coil is not energized, and holds the armature in contact with the second stop surface so that a distance between the armature and the first stop surface provided on the valve needle is predefined.

대표청구항 ▼

[ What is claimed is:] [1.]1. A fuel injection valve for a fuel injection system of an internal combustion engine, comprising:a magnet coil;a first return spring;an armature movable by the magnet coil in a first direction of lift against the first return spring;a valve needle including a first stop

[ What is claimed is:] [1.]1. A fuel injection valve for a fuel injection system of an internal combustion engine, comprising:a magnet coil;a first return spring;an armature movable by the magnet coil in a first direction of lift against the first return spring;a valve needle including a first stop surface for the armature;a valve closing element connected to the valve needle;a stationary second stop surface; anda second return spring acting upon the armature in a second direction, second return spring holding the armature in contact with the second stop surface in an inoperative position when the magnet coil is not energized so that a distance between the armature and the first stop surface is predefined, the second direction being opposite to the first direction.