Patent ID: 6225886
Filing Date: 2001-05-01
Classification: H01F

Abstract:
An electromagnet comprising:an exchangeable armature guide tube positioned in said electromagnet,a coil positioned in said electromagnet so as to surround said armature guide tube,said coil for generating a magnetic field,an armature, movably mounted in said armature guide tube, for moving when said coil is supplied with current, the armature serving for control of an element,at least two damping elements for damping the movement of said armature in at least two directions,an exchangeable sliding film of plastic material, positioned between said armature and said armature guide tube, for facilitating the movement of said armature, andsaid electromagnet having a modular construction in which separate first and second assemblies are provided, the first assembly being for said armature and said armature guide tube and the second assembly being for said coil, and said first and second assemblies being releasably connected wherein said sliding film of plastic material has a bottom edge and is stretched and clamped in position by means of one of said at least two damping elements in order to fix the bottom end of the film.