Abstract: Various embodiments include stator for an electrical machine comprising: a stator winding; and a yoke with a plurality of slots. There are a plurality of conductor segments connected to one another, wherein each conductor segment has one respective axially internal inner section and two respective axially external outer sections. The respective inner section of each conductor segment is embedded into a respective slot. Ducts for coolant flow in the axial direction are formed at least in a portion of each of the slots. The stator defines, at least in a first axial end region, a first coolant chamber fluidically encapsulated from a surrounding area. The first coolant chamber surrounds at least a portion of the respective outer sections of each of the conductor segments situated in the first axial end region. The first coolant chamber is fluidically connected to the ducts to conduct coolant into and/or out of the ducts.

Abstract: A cage rotor of an asynchronous machine includes a magnetically conductive body having substantially axially running slots with conductors connected to end faces of the magnetically conductive body in an electrically conductive manner by short circuit rings. The short circuit rings have an outer side, an inner side, a front side, and a rear side. A supporting element made of a high-strength material is located at least radially within the short circuit rings, i.e. on the inner face, with the supporting element being connected to the short-circuit ring, at least in one section, with a material fit.

Abstract: Provided is an electrical machine including a rotor and a stator with at least one coil, wherein the coil includes one or more windings of one or more tape-shaped conductors wherein the or each conductor has a longitudinal axis, wherein the coil includes two opposing straight sections and two opposing arc-shaped coil head sections, wherein the coil includes at least two torsion sections, in which the or each winding is twisted around the longitudinal axis of the or each conductor, so that a width direction of the one or each conductors in at least one of the straight sections is parallel or essentially parallel to a direction of a magnetic field generated or generatable by the rotor penetrating the at least one straight section.

Abstract: Various embodiments include stator for an electrical machine comprising: a stator winding; and a yoke with a plurality of slots. There are a plurality of conductor segments connected to one another, wherein each conductor segment has one respective axially internal inner section and two respective axially external outer sections. The respective inner section of each conductor segment is embedded into a respective slot. Ducts for coolant flow in the axial direction are formed at least in a portion of each of the slots. The stator defines, at least in a first axial end region, a first coolant chamber fluidically encapsulated from a surrounding area. The first coolant chamber surrounds at least a portion of the respective outer sections of each of the conductor segments situated in the first axial end region. The first coolant chamber is fluidically connected to the ducts to conduct coolant into and/or out of the ducts.

Abstract: The method includes binding living cells to magnetic particles, adding them to a sensor array, uniformly distributing over the sensor array, magnetically fixing the magnetic particles having the bound cells over the sensor array, and adding substances to maintain and/or improve the cell vitality to the sensory array, and/or adding substances to worsen the cell vitality to the sensor array. The assembly includes a sensor array composed of sensors, which are designed to be in direct fluidic contact with a fluid, and a device for generating a magnetic field over the sensor array. A layer that comprises magnetic particles and living cells is formed on the sensor array.

Abstract: A drive wheel for a motor vehicle may include at least one sleeve-type wheel rim and an external-rotor motor that includes a rotor. The sleeve-type wheel rim may be connected directly and in a torque-coupled manner to the rotor using a releasable connection.

Abstract: A drive device for a motor vehicle includes at least one electric machine having at least one rotor element which includes a single-piece, essentially sleeve-shaped rotor carrier to delimit an installation area in a radial direction. At least one transmission device is disposed, at least partly, in the installation area and configured to be driven by the electric machine via the rotor element.

Abstract: A piston engine has a housing and a piston. The piston is magnetically and movably disposed in the housing. A device for magnetically supporting the piston is fixedly mounted relative to the housing. A linear machine in conjunction with the magnetic bearing of the piston can prevent friction and thus result in a machine for converting mechanical into electric energy without having to lubricate and with reduced mechanical effort.

Abstract: The embodiments relate to a driven vehicle axle, which is coupled or can be coupled to an internal combustion engine and/or at least one electric machine that optionally can be operated as an engine or generator and which includes a brake device having an eddy current brake (10).

Abstract: A drive device is particularly suited for driving a vehicle. The device has an electrical drive machine with a rotor. The drive machine is coupled to a drive shaft by way of a gear arrangement. The gear arrangement, which includes a gear mechanism and/or a differential, is integrated within the rotor of the electrical drive machine.

Abstract: A synchronous machine has a rotor rotatable about an axis of rotation and a stator surrounding the rotor radially on the outside. When viewed in axial direction, the rotor has a number of rotor rings running tangentially around the axis of rotation. When viewed in tangential direction about the axis of rotation, the rotor rings each have a plurality of claws of soft-magnetic material. The claws are in the form of an L, defined by first and second limbs. An excitation device is fixed to the stator and has, for each rotor ring, a magnetic field generator which interacts with the respective rotor ring and is arranged radially inside the respective rotor ring. The magnetic field generator generates a magnetic field directed in the axial direction and is coupled magnetically to the second limb of the claws of the respective rotor ring in the region of the radially inner termination.

Abstract: A drive device for a motor vehicle includes at least one electric machine having at least one rotor element which includes a single-piece, essentially sleeve-shaped rotor carrier to delimit an installation area in a radial direction. At least one transmission device is disposed, at least partly, in the installation area and configured to be driven by the electric machine via the rotor element.

Abstract: The invention relates to an electric drive (1) for an aircraft, especially for a helicopter (20) comprising at least one rotor (23) that is directly driven by a dynamoelectric machine (2). The dynamoelectric machine (2) is embodied in a duplex arrangement, a rotor (6) arranged in an air gap (12) comprising permanent magnets (13) on a carrier device (14), and the stators (4, 5) of the dynamoelectric machine (2) and/or the rotor (6) comprising coolant. A planetary gear (3) is especially provided between the driven rotor and the dynamoelectric machine (2), preferably in the axial extension of the dynamoelectric machine (2).

Abstract: The method includes binding living cells to magnetic particles, adding them to a sensor array, uniformly distributing over the sensor array, magnetically fixing the magnetic particles having the bound cells over the sensor array, and adding substances to maintain and/or improve the cell vitality to the sensory array, and/or adding substances to worsen the cell vitality to the sensor array. The assembly includes a sensor array composed of sensors, which are designed to be in direct fluidic contact with a fluid, and a device for generating a magnetic field over the sensor array. A layer that comprises magnetic particles and living cells is formed on the sensor array.

Abstract: A piston engine has a housing and a piston. The piston is magnetically and movably disposed in the housing. A device for magnetically supporting the piston is fixedly mounted relative to the housing. A linear machine in conjunction with the magnetic bearing of the piston can prevent friction and thus result in a machine for converting mechanical into electric energy without having to lubricate and with reduced mechanical effort.

Abstract: A stator arrangement and a rotor arrangement for a transverse flux machine. The stator arrangement comprises an annular stator back yoke having a number of stator poles designed in the manner of claw poles. The rotor arrangement includes number of rotor poles designed in the manner of claw poles and connected to each other to form an annular rotor body enclosing a unipolar ring magnet magnetized in an axial direction. In the stator arrangement, the stator back yoke includes a first laminated stack of metal sheets whose laminations are stacked in an axial direction, and the stator poles include a second laminated stack of metal sheets whose laminations are stacked in a tangential direction. In the rotor arrangement, the rotor poles include laminated stacks of metal sheets whose laminations are stacked in a tangential direction.

Abstract: The invention provides a stator arrangement as well as a rotor arrangement for a transverse flux machine. The stator arrangement comprises an annular stator back yoke having a number of stator poles that are designed in the manner of claw poles. The stator winding is located between the stator back yoke and the stator poles. The rotor arrangement is constructed in a similar way in which a number of rotor poles are designed in the manner of claw poles and connected to each other such that they form an annular rotor body that encloses a unipolar ring magnet magnetized in an axial direction. In the stator arrangement according to the invention, the stator back yoke is made of a first laminated stack of metal sheets whose laminations are stacked in an axial direction, and the stator poles are made of a second laminated stack of metal sheets whose laminations are stacked in a tangential direction.

Abstract: A method for fabricating a rotor arrangement for an electric machine in which a rotor body is provided and permanent magnets made from an isotropic magnetic material are embedded in the rotor body, the permanent magnets being magnetized by an external magnetizing device with a magnetization that corresponds at least approximately to a Halbach magnetic field distribution.

Abstract: The invention relates to an electronically commutated electric motor having a multi-pole magnetized permanent magnet, a plurality of flux guide units each of which features at least one flux collector section and one flux concentrator section, whereby each flux guide unit picks up a radial magnetic flux from the permanent magnet and redirects it into a transversal magnetic flux, and having a plurality of coils each of which is allocated to a flux guide unit and is arranged axially parallel to the permanent magnet.

Abstract: The invention provides a device to generate an rpm-dependent signal, or a tachogenerator, having a plurality of magnet elements with alternating polarity which are arranged and distributed around the circumference of the rotor shaft. The magnet elements preferably take the form of a magnetic ring which has alternatively polarized sections and is held on a support attached to the rotor shaft. The tachogenerator of the present invention has at least one coil parallel to the axis which is arranged on a second supporting device at an axial distance to the magnet elements. The magnets and coils are arranged spatially relative to each other and can be rotated in relation to each other with the rotation of the rotor shaft in order to induce an rpm-dependent signal in the coils. In accordance with the invention, a signal displacement device is provided which superimposes a DC voltage on the signals induced in the coils in order to generate a voltage-displaced signal.