| 摘要 |
The invention relates to an injection valve for injecting a fluid, in particular a fuel fluid, wherein the fuel fluid is injected into a suction duct or into a combustion chamber of a cylinder of an internal combustion engine, wherein the injection valve comprises an electromagnetic actuator with a magnetic circuit, the magnetic circuit comprising a solenoid, an inner pole and a magnet armature cooperating with the magnet coil and the inner pole. The magnetic circuit is configured for generating a controlled force action between the inner pole to the magnet armature when the electromagnetic actuator is controlled by means of a control current and/or control voltage. According to the invention, the injection valve has a gap in the region between the inner pole and the magnet armature, wherein the injection valve has a valve sleeve, said valve sleeve having either continuously - both in the region of the gap between the inner pole and the magnet armature - paramagnetic material properties, or paramagnetic material properties in the region of the gap between the inner pole and the magnet armature and ferromagnetic material properties outside this range. |
