An electromagnetic machine includes a housing, an axle coupled to the housing in a rotatable fashion, a stator assembly disposed generally within the housing, the stator assembly including a stator plate and a stator bearing coupled to the axle such that the stator assembly is rotatable about the axle, a rotor assembly fixed to the axle and disposed generally within the housing and including a rotor housing that defines a circumferentially extending channel that is sized to receive a portion of the stator assembly therein; and a locking mechanism configured to selectively prevent and permit rotation of the stator assembly about the axle via the stator bearing. The housing can include an access window defined therein such that the stator assembly is accessible through the access window.

An electric machine includes a housing for holding a cooling device, wherein the housing is provided for respectively holding a cooling device of different size, where the electric machine also includes an air cooling section that includes a first air guidance element for guiding the cooling air and includes a first positioning element for positioning the first air guidance element at a multiplicity of positions, where brackets are provided for positioning elements and the brackets can be oriented in an axial direction of the electric machine such that housings of similar size can be used for electric machines.

A linear flux switching permanent magnet (FSPM) motor includes a longitudinal, linear stator with stator teeth facing an air gap and a mover including at least one armature including armature teeth embedding at least one permanent magnet, which armature teeth are spaced apart by slots for receiving an armature winding, and which armature teeth have an extended width portion towards the air gap. The extended width portion of the armature teeth begins in the longitudinal direction of the armature teeth already at the level of the armature windings.

The invention relates to a method for producing a drive unit device, in particular a fan device, which has at least one first modular unit (12) and at least one second modular unit (16), which concentrically accommodates at least a portion of the first modular unit (12), with the first and second modular units (12, 16) being intended to contribute mechanically to a change in torque, and the first modular unit (12) being secured in the second modular unit (16) in at least one method step (100, 110). To increase safety and reduce process costs, it is proposed that the first modular unit (12) be secured in the second modular unit (16) by means of at least one concentric pressing process step.

Exchangeable stator components are selected and exchangeable rotor components are selected to transform a motor from one motor class to another motor class. A motor comprises three stator rings, three rotor rings, a first input, and a second input. The first input comprises two exchangeable stator components selected from a stator component group consisting of a stator spacer ring and an axially magnetized stator magnet ring. The second input comprises two exchangeable rotor components selected from a rotor component group consisting of a rotor spacer ring and an axially magnetized rotor magnet ring. The first input and the second input determine a motor class for the motor, the exchangeable stator components being exchangeable for different exchangeable stator components from the stator component group to manufacture another motor having a different motor class, the exchangeable rotor components being exchangeable for different exchangeable rotor components from the rotor component group to manufacture another motor having another different motor class.

A secondary part, which defines a magnetic path for a primary part of a linear motor, includes a spacer element having a plurality of mounting points that, in an application, are configured to fasten the secondary part. Two yoke plates that form lateral sides are configured to be fastened to the spacer element such that the two yoke plates extend in mutual opposition, orthogonally to the magnetic path. The two yoke plates are configured to accommodate a plurality of permanent magnets on respective inner sides thereof. The two yoke plates have, on respective outer sides thereof, a reinforcing structure that is formed by a periodic variation of plate thickness in the direction of the magnetic path. Local minima of the reinforcing structure overlapping with the mounting points along the direction of the magnetic path.

An axial electric motor/generator having an inline stator and an inline rotor is provided. In one exemplary embodiment, a system comprises a housing, a shaft, and a slice assembly disposed about the shaft. The slice assembly includes a rotor assembly having a rotor plate and a set of isolated permanent magnets. A magnetic flux of each permanent magnet flows in an opposite direction to that of each adjacent permanent magnet. The slice assembly also includes a stator assembly having a stator plate and a set of isolated coil assemblies. Each coil assembly has an insulated wire wound about a metal core. The wound wire is normal to the magnetic flux of each permanent magnet when proximate the corresponding coil assembly. At least one of the set of isolated coil assemblies is configurable to output electrical power while the shaft is rotating or to input electrical power to rotate the shaft.

The present disclosure relates to a medical pump drive comprising a pump housing and a pump motor provided in the pump housing. The pump drive also includes a rechargeable voltage source for storing electrical energy, or a rechargeable battery, for a voltage supply of the pump motor and a magnetic section for magnetically coupling of further pump sections, and/or for magnetically driving of elements, in particular a magnetically driven pump rotor. The pump also includes an electronic controller. The disclosure further relates to a pump, an induction charging station, a tube set, and a blood treatment apparatus.

Electronic module for the mounting of electronic components comprising a housing that is bounded in a longitudinal direction by two end faces, each with an opening. The housing can be fitted via the openings with at least one first circuit board, equipped with electronic components, and with at least one second circuit board, equipped with plug and/or clamp connectors. On an inner side of one housing wall, the housing comprises at least one dome, configured in a longitudinal direction, on which the at least one first circuit board can be attached essentially transversely to the longitudinal direction. At two opposite-facing inner sides and/or two opposite-facing domes, the housing furthermore comprises a retaining groove in which to insert at least one second circuit board in a longitudinal direction. The at least one first circuit board is wirelessly electrically connected to the at least one second circuit board inside the housing for the transmission of electrical power and communication signals via plug and/or clamp connectors, wherein additional plug and/or clamp connectors are arranged on the at least one second circuit board in such a way that plug and/or clamp connectors of another electronics housing module can be wirelessly connected to the at least one second circuit board by means of plug and/or clamp connectors for the transmission of electrical power and communication signals.

A brushless electric motor system having integrated power stages, said electric motor system comprising a rotor, a stator, a plurality of power stages, and a cooling system comprising a substantially flat hollow main cool body arranged to support the flowing of a cooling medium inside said hollow main cool body for cooling said main cool body, a base cooling plate connected to a first flat surface of said hollow main cool body and to said plurality of power stages for transferring heat between said plurality of power stages and said base cool plate, heat resistance inserts connected to said base cooling plate and said plurality of electrically excitable coils for transferring heat between said plurality of coils and said base cooling plate wherein said heat resistance inserts provide for a thermal conductivity, thereby creating a thermal buffer such that said electrically excitable coils are cooled less compared to said power stages, by said cooling system.