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An electrical machine with at least a machine unit. This machine unit includes a stator, which includes a plurality of magnetic flux conductors, an electric conductor forming a winding extending in a substantially closed winding path through each magnetic flux conductor, and a least one first movabl

An electrical machine with at least a machine unit. This machine unit includes a stator, which includes a plurality of magnetic flux conductors, an electric conductor forming a winding extending in a substantially closed winding path through each magnetic flux conductor, and a least one first movable element, which includes a number of permanent magnet elements and which is movable in a reciprocating movement in relation to the stator along a first movement path in a space having a finite length and formed by at least some of the magnetic flux conductors. The winding path includes a first current carrying portion, which extends substantially in parallel with the first movement path. Each magnetic flux conductor is arranged to form, together with one of the permanent magnetic elements, a closed magnetic flux circuit extending around the current carrying portion.

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An electrical machine with at least a machine unit. This machine unit includes a stator, which includes a plurality of magnetic flux conductors, an electric conductor forming a winding extending in a substantially closed winding path through each magnetic flux conductor, and a least one first movabl

An electrical machine with at least a machine unit. This machine unit includes a stator, which includes a plurality of magnetic flux conductors, an electric conductor forming a winding extending in a substantially closed winding path through each magnetic flux conductor, and a least one first movable element, which includes a number of permanent magnet elements and which is movable in a reciprocating movement in relation to the stator along a first movement path in a space having a finite length and formed by at least some of the magnetic flux conductors. The winding path includes a first current carrying portion, which extends substantially in parallel with the first movement path. Each magnetic flux conductor is arranged to form, together with one of the permanent magnetic elements, a closed magnetic flux circuit extending around the current carrying portion. le IR Filters with Integral Electromagnetic Actuators", Solid-State and Actuator Workshop, Hilton Head, South Carolina, pp. 196-199, (Jun. 2-6, 1996). Sadler et al.; "A Universal Electromagnetic Microactuator Using Magnetic Interconnection Concepts", Journal of Microelectromechanical Systems 9(4): 460-468, (Dec. 2000). Sadler et.; "A New Electromagnetic Actuator Using Through-Hole Plating of Nickel/Iron Permalloy", Electrochemical Society Proceedings vol. 98(20): 377-388. Wright et al.; "A Large -Force, Fully-Integrated MEMS Magnetic Actuator", Transducers 97, International Conference on Solid-State Sensors and Actuators, pp. 793-796, (Chicago, Jun. 16-19, 1997).