Abstract: A method for determining the average distance between a measurement device and a conductor includes determining a profile of a horizontal component using the horizontal position of the device that indicates the orthogonal distance between the device and the longitudinal axis of the conductor parallel to the earth's surface, measured at at least two different horizontal positions, determining a profile of the vertical component, which is associated with the determined profile of the horizontal component, using the horizontal position of the device, wherein the vertical profile is determined by measuring the vertical components associated with the horizontal components, determining the ratio of the profiles as a function using the horizontal position of the device, determining the derivative of the ratio according to the horizontal position, determining the reciprocal of the derivative, and determining the average distance between the devices and the conductor from the reciprocal of the derivative.

Abstract: Various embodiments of the teachings herein include an apparatus for measuring a magnetic field of a conductor of an electric current. The apparatus may include three magnetic field sensors arranged on a circumference of a non-circular ellipse defined by parallel projection or orthogonal projection of a circle. Three first positions are arranged equidistantly on a circumference of the circle. The three first positions emerge from the parallel projection or the orthogonal projection onto at least three second positions on the ellipse. The three magnetic field sensors are arranged at the three second positions. The magnetic field is measured without using a flux concentrator.

Abstract: Various embodiments of the teachings herein include an apparatus for measuring a magnetic field of a conductor of an electric current. The apparatus may include three magnetic field sensors arranged on a circumference of a non-circular ellipse. The three magnetic field sensors are arranged equidistantly along the circumference of the ellipse. The magnetic field is measured without using a flux concentrator.

Abstract: A method for determining the average distance between a measurement device and a conductor includes determining a profile of a horizontal component using the horizontal position of the device that indicates the orthogonal distance between the device and the longitudinal axis of the conductor parallel to the earth's surface, measured at at least two different horizontal positions, determining a profile of the vertical component, which is associated with the determined profile of the horizontal component, using the horizontal position of the device, wherein the vertical profile is determined by measuring the vertical components associated with the horizontal components, determining the ratio of the profiles as a function using the horizontal position of the device, determining the derivative of the ratio according to the horizontal position, determining the reciprocal of the derivative, and determining the average distance between the devices and the conductor from the reciprocal of the derivative.

Abstract: In a method for measuring a current, a plurality of flux-gate field sensors is arranged with radial symmetry on a first circumferential path, and a plurality of Hall sensors is arranged with radial symmetry on a second circumferential path such that a one of the flux-gate field sensors is placed adjacent a one of the Hall sensors, with the flux-gate field sensors having a sensitivity which is higher by a factor 5 to 20 than a sensitivity of the Hall sensors. At least one of the plurality of flux-gate field sensors is evaluated so as to determine a current intensity, when two of the flux-gate field sensors generate measurement values within a measurement range, or at least one of the plurality of Hall sensors is evaluated so as to determine a current intensity, when the measurement values of the two flux-gate field sensors are outside of the measurement range.

Abstract: In a method for measuring a current, a plurality of flux-gate field sensors is arranged with radial symmetry on a first circumferential path, and a plurality of Hall sensors is arranged with radial symmetry on a second circumferential path such that a one of the flux-gate field sensors is placed adjacent a one of the Hall sensors, with the flux-gate field sensors having a sensitivity which is higher by a factor 5 to 20 than a sensitivity of the Hall sensors. At least one of the plurality of flux-gate field sensors is evaluated so as to determine a current intensity, when two of the flux-gate field sensors generate measurement values within a measurement range, or at least one of the plurality of Hall sensors is evaluated so as to determine a current intensity, when the measurement values of the two flux-gate field sensors are outside of the measurement range.

Abstract: A method for producing a fiber composite component and a fiber composite component for high-temperature applications. In particular, a workpiece carrier for providing and handling workpieces in high-temperature furnaces for high-temperature treatments or the like, a dimensionally stable green body of the fiber composite component being realized from a matrix material reinforced with fibers, said fiber composite component being realized by means of a heat treatment of the green body, a fiber being extruded together with a slip as a matrix material from a nozzle and being spatially arranged in such a manner that the green body is realized by means of additive manufacturing.

Abstract: The present disclosure relates to electrical conductors. The teachings herein may be embodied a current-measuring devices and/or methods for determining an electric current in an electrical conductor. For example, a method for determining a magnitude of an electric current in an electrical conductor may include: measuring output signals from a plurality of magnetic-field sensors arrayed around the electrical conductor; setting a compensation current through a compensation coil surrounding the plurality of magnetic-field sensors based on detected output variables of the magnetic-field sensors; and determining the magnitude of the electric current through the electrical conductor based on the set compensation current through the compensation coil.

Abstract: The invention relates to a fiber composite component (17) and to a method for producing a fiber composite component (17), for an aircraft, in particular for an aircraft cabin interior, a tabletop (21) or the like, the fiber composite component (17) being formed from a matrix composite material (19) and a support structure, wherein the matrix composite material (19) is formed from cut fibers, a curable resin, and a flame retardant, the support structure being formed from a dimensionally stable fiber composite (18) and/or a metal profile, the matrix composite material (19) together with the support structure being introduced into a component mold and cured to form the fiber composite component (17), the support structure being at least partially bonded with the matrix composite material (19).

Abstract: The present disclosure relates to electrical conductors. The teachings herein may be embodied a current-measuring devices and/or methods for determining an electric current in an electrical conductor. For example, a method for determining a magnitude of an electric current in an electrical conductor may include: measuring output signals from a plurality of magnetic-field sensors arrayed around the electrical conductor; setting a compensation current through a compensation coil surrounding the plurality of magnetic-field sensors based on detected output variables of the magnetic-field sensors; and determining the magnitude of the electric current through the electrical conductor based on the set compensation current through the compensation coil.

Abstract: The invention relates to a method for producing a molded body, having a silicon carbide support matrix and an integral carbon structure, wherein a base body on the basis of a powder mixture containing silicon carbide or silicon and carbon and of a binder is built in layers in a generative method, and wherein a pyrolysis of the base body is effected for realizing the molded body after the binder has been cured, wherein the carbon content of the carbon structure is adjusted by way of the pyrolysis of the binder and by way of the carbon content of the powder mixture or infiltration of a carbon material into the silicon carbide support matrix.

Abstract: In order to detect the current state of a system component, e.g. to display whether an electrical conductor, a cable or the like, is currently live, a field generator that generates a magnetic field in the environment of the system part is provided, which generator is connected to an organic magnetoresistive OMR semiconductor element that is arranged stationary in the environment of the system component to be monitored, and a voltage source for generating an electrical voltage between two electrodes of the OMR semiconductor element is provided. The device and the method can be fitted in a simple manner and cost-effectively to almost any system part, even at a later stage to already existing systems. A corresponding display shows the desired information locally limited and in the simplest manner: if the electric conductor is currently energized, an additional evaluation is not necessary.

Abstract: Torque transmitted via a drive shaft of a motor is contactlessly determined using organic magnetoresistive semiconductor element, unlike known torque sensors that can generate greatly fluctuating measurement signals even at a constant torque. The organic magnetoresistive semiconductor element is mounted on a drive shaft or a coupling thereof. For this purpose, a field generator is provided, which is rigidly connected to the drive shaft or the clutch and which in the environment of the drive shaft generates a magnetic field that is dependent upon the torque. In the environment, the OMR semiconductor element is arranged to be stationary. The OMR semiconductor element has two electrodes between which a voltage source generates an electrical voltage.

Abstract: The invention relates to a method for producing a molded body as well as to a molded body, having a silicon carbide support matrix and an integral carbon structure, wherein a base body on the basis of a powder mixture containing silicon carbide or silicon and carbon and of a binder is built in layers in a generative method, and wherein a pyrolysis of the base body is effected for realizing the molded body after the binder has been cured, wherein the carbon content of the carbon structure is adjusted by way of the pyrolysis of the binder and by way of the carbon content of the powder mixture or infiltration of a carbon material into the silicon carbide support matrix.

Abstract: The invention relates to a method for producing a composite body and to a composite body produced using the method, wherein the composite body (10) is formed as a pressure pipe or as a pressure container, wherein the composite body is composed of a main body (13) that is made of steel and of a coat (14) that is made of a fibre composite (15), said coat enclosing the outside of the main body at least in some sections, wherein, for forming the fibre composite, a fibrous material is wound around the main body, wherein the fibrous material is impregnated with a resin before or after winding, wherein the wound and impregnated fibrous material is heated in order to form the fibre composite, wherein the method is carried out in situ on a built-in pressure pipe or pressure container, wherein the wound and impregnated fibrous material is heated to up to 700° C.

Abstract: The invention relates to a circulation device (20) for circulating an ambient atmosphere and to a method for producing a circulation device, the circulation device having a shaft (21), a blade carrier (22) connected to the shaft and a plurality of blades (23) arranged on the blade carrier, both the blade carrier and the blades being realized as CFC components and being interconnected in a force-fitting manner by means of a connecting system exclusively having connecting elements consisting of CFC or graphite and the connecting system having a spring element to consisting of a CFC material.

Abstract: The invention relates to a component connection comprising at least two CFC components that are interconnected by means of a force-fitting or form-fitting connection, the component connection being secured by means of a discrete material-bonded connection (68) in a connecting zone (69) formed between the components.

Abstract: The invention relates to a component connection comprising at least two CFC components that are interconnected in a force-fitting manner by means of a connecting system exclusively having connecting elements consisting of CFC or graphite, the component connection having a spring element (42) consisting of a CFC material.

Abstract: The invention relates to a process for producing a resistance heating element and also to a resistance heating element (10), wherein the resistance heating element has a tubular shape, wherein the resistance heating element is made in one piece, wherein the resistance heating element is produced from silicon carbide, the process comprising the process steps: formation of a shaped body in one piece from fibers of a fiber material, wherein the fibers have an unstructured fiber orientation, impregnation of the shaped body with a matrix material, curing of the matrix material, pyrolysis of the materials of the shaped body, siliconization of the shaped body, wherein the shaped body is converted into the resistance heating element.

Abstract: In order to detect the current state of a system component, e.g. to display whether an electrical conductor, a cable or the like, is currently live, a field generator that generates a magnetic field in the environment of the system part is provided, which generator is connected to an organic magnetoresistive OMR semiconductor element that is arranged stationary in the environment of the system component to be monitored, and a voltage source for generating an electrical voltage between two electrodes of the OMR semiconductor element is provided. The device and the method can be fitted in a simple manner and cost-effectively to almost any system part, even at a later stage to already existing systems. A corresponding display shows the desired information locally limited and in the simplest manner: if the electric conductor is currently energized, an additional evaluation is not necessary.