Single stroke magnet arrangement

摘要

A single-stroke magnetic including an exciter coil (5) at least partially enclosed by the magnet body (2,3,6) and a piston-type armature (7) displacing axially along a central axis (X) with a central cylindrical opening (12) of the magnetic body (2,3,6) when the coil is excited with current. To increase the available magnet stroke effort, simultaneously with reduction of the required electrical power output, a ring-shaped permanent magnet (4) is arranged inside a non-magnetic partition.