| 摘要 |
The invention refers to a solenoid, in particular for switching pressure controllers or pressure valves, comprising an armature movable in an armature space, and a coil which can be impinged by current, wherein this, when impinged by current, generates a magnetic field serving for moving the armature, and the armature space can be filled with oil, and wherein for deairing the armature space at least one deairing channel is provided. The invention is characterised in that in the deairing channel at least one backflow-preventing element is provided which is permeable in the direction of deairing.
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