Patents Assigned to ISABELLENHUETTE HEUSLER GMBH & CO. KG
  • Publication number: 20240085459
    Abstract: A current-sensing resistor for measuring a current with two connection parts for introducing and discharging the current to be measured includes a resistor element made of a resistor material, a first voltage measurement contact at the first connection part for measuring the voltage at the first connection part, a second voltage measurement contact at the second connection part for voltage measurement at the second connection part, and a cut in the second connection part, the cut surrounding the second voltage measurement contact and preventing current flow across the cut. The resistor also includes a third voltage measurement contact arranged at the second connection part for measuring the voltage at the second connection part, and that the third voltage measurement contact is arranged at the second connection part offset with respect to the main current flow direction transversely to the second voltage measurement contact at the second connection part.
    Type: Application
    Filed: January 26, 2022
    Publication date: March 14, 2024
    Applicant: Isabellenhütte Heusler GmbH & Co. KG
    Inventors: Benedikt KRAMM, Felix LEBEAU, Jan SATTLER
  • Patent number: 11373787
    Abstract: The invention relates to a production method for an electrical resistance element (for example a shunt) with the following steps: —providing a resistance alloy in powder form, and—forming the resistance element from the powdered resistance material. The invention also relates to a correspondingly produced resistance element.
    Type: Grant
    Filed: August 9, 2019
    Date of Patent: June 28, 2022
    Assignees: Isabellenhuette Heusler GmbH & Co. KG, Schunk Sintermetalltechnik GmbH
    Inventors: Jan Marien, Jens Hartmann, Petra Schmidt, Andreas Baum, Phillip Prinz, Steffen Burk, Ingolf Langer, Alexander Witt, Joerg Ziesche, Sieglinde Mueller
  • Publication number: 20220051834
    Abstract: The present invention concerns a layer structure comprising: a substrate having a glass or ceramic surface, a layer A at least partially covering the glass or ceramic surface of the substrate, wherein layer A comprises a glass in which at least two mutually different elements are contained as oxides, and a layer B at least partially covering the layer A. Layer B comprises: a resistance alloy having a temperature coefficient of electrical resistance less than 150 ppm/K, and optionally a glass containing at least two mutually different elements as oxides. Layer B contains not more than 20 weight percent of glass based on the total weight of layer B.
    Type: Application
    Filed: July 29, 2021
    Publication date: February 17, 2022
    Applicant: ISABELLENHÜTTE HEUSLER GMBH & CO. KG.
    Inventors: Jochen Langer, Melanie Bawohl, Christina Modes, Steffen Burk, Jan Marien, Paul Kalemba, Anja Desch, Roland Reul, Jessica Reitz
  • Patent number: 11112432
    Abstract: The invention relates to a measuring arrangement (12) for measuring an electric current (I) in the high-current range, in particular in the current range of more than 1 kA, having a low-resistance current sense resistor (1) for measuring current in accordance with four conductor technology and a physically integrated measuring circuit (17) for measuring the voltage which is dropped across the current sense resistor (1). The invention provides several pairs of voltage taps for measuring the electrical voltage which is dropped across the resistor element (4), wherein the pairs of voltage taps are connected to the measuring circuit (17). The invention further provides two busbar connections (13, 14) for connection to two busbars (15, 16). Corrections of the temperature coefficient, the thermoelectric voltage and the offset and also a high sampling rate and resolution allow high-resolution measurement of a DC current in a high AC current.
    Type: Grant
    Filed: August 1, 2017
    Date of Patent: September 7, 2021
    Assignee: ISABELLENHUETTE HEUSLER GMBH & CO. KG
    Inventors: Ullrich Hetzler, Michael Pollmann
  • Patent number: 10964462
    Abstract: The invention concerns a manufacturing method for an electrical resistor (1), in particular for a low-resistance current measuring resistor, with the following steps (S1-S4): a) providing a plate-shaped base part (9) for the resistor (1), the base part (9) having a certain thickness and corresponding to the thickness a certain value of an electrical component characteristic (R), the thickness-dependent electrical component characteristic (R) preferably being the electrical resistance (1) of the base part (9), the sheet resistance or the transverse resistance, and b) rolling the base part (9) with a certain degree of rolling (AG), the thickness of the base part (9) decreasing in accordance with the degree of rolling (AG) and the value of the component characteristic (R) changing accordingly, c) measuring the thickness-dependent electrical component characteristic (R) on the rolled base part (9), and d) adaptation of the degree of rolling (AG) as a function of the measured electrical component characteristic (
    Type: Grant
    Filed: January 25, 2017
    Date of Patent: March 30, 2021
    Assignee: ISABELLENHÜTTE HEUSLER GMBH & CO. KG
    Inventors: Marcus Escher, Paul Harke, Ullrich Hetzler, Jan Marien
  • Patent number: 10901003
    Abstract: The invention concerns a current measuring device for measuring an electric current (Ip, In) according to the four-wire technology with a low resistance current measuring resistor (RCu1, RCu, R0). The invention also provides for a compensating resistor (Rp) consisting of a fixed resistor connected in parallel with the resistor element (R0) of the low-resistance current measuring resistor (RCu1, RCu, R0) in order to at least partially compensate for the temperature dependence of the resistance value, so that the current measuring device has two current paths, namely a main current path through the resistor element (R0) on the one hand and a secondary current path through the compensating resistor (Rp) on the other hand.
    Type: Grant
    Filed: November 3, 2017
    Date of Patent: January 26, 2021
    Assignee: Isabellenhuette Heusler GmbH & Co. KG
    Inventor: Ullrich Hetzler
  • Patent number: 10748680
    Abstract: The invention concerns a resistor, in particular a low-resistance current measuring resistor, having two connecting parts made of a conductor material and a resistor element made of a resistance material inserted between the connecting parts, the resistance material having a specific thermal force which generates a specific thermoelectric voltage in the event of a temperature difference between the resistor element on the one hand and the connecting parts on the other hand. The invention additionally provides for a compensating element which in operation generates a thermoelectric voltage which at least partially compensates for the thermoelectric voltage generated by the resistor element. Furthermore, the invention includes a corresponding manufacturing process.
    Type: Grant
    Filed: July 3, 2017
    Date of Patent: August 18, 2020
    Assignee: ISABELLENHÜTTE HEUSLER GMBH & CO. KG
    Inventor: Ullrich Hetzler
  • Patent number: 10619232
    Abstract: The invention relates to a connecting element (4, 5), in particular a screw (4) or a nut (5), for mechanically connecting components (1, 2), the connecting element (4, 5) consisting at least partially of a material with a mechanical tensile strength of at least 350 MPa. According to the invention, the material of the connecting element (4, 4?, 5, 8) has an electrical conductivity of at least 50% IACS. The invention also relates to a corresponding production method for a connecting element (4, 5) of this type.
    Type: Grant
    Filed: January 29, 2016
    Date of Patent: April 14, 2020
    Assignee: Isabellenhuette Heusler GmbH & Co. KG
    Inventors: Jan Marien, Jens Hartmann, Daniel Zuckermann
  • Patent number: 10534020
    Abstract: The invention relates to a coupling for electrically and mechanically connecting medium-voltage or high-voltage components, in particular for voltages of 1 kV to 52 kV, comprising a first connecting piece for mechanically and electrically connecting a medium-voltage or high-voltage component, in particular for connecting to a complementary connecting piece of a bushing of a switchgear cabinet, and a second connecting piece for mechanically and electrically connecting another medium-voltage or high-voltage component, in particular for connecting to a complementary connecting piece of an electrical cable, wherein the two connecting pieces of the coupling belong to complementary connection types, which fit together mechanically, and comprising a low-resistance current sensing resistor, which is built into the coupling and electrically connected between the first connecting piece and the second connecting piece in order to measure a current flow between the first connecting piece and the second connecting piece.
    Type: Grant
    Filed: November 20, 2015
    Date of Patent: January 14, 2020
    Assignee: ISABELLENHÜTTE HEUSLER GMBH & CO. KG
    Inventors: Ullrich Hetzler, Jan Marien, Alexander Wassmann, Eckhard Wendt
  • Patent number: 10161966
    Abstract: The invention relates to a U-shaped resistor (1), in particular a low-resistance current-measuring resistor (1), comprising a first connection part (2) made of a conductive material having a first current contact surface for conducting an electrical current (I) into the resistor (1), and comprising a second connection part (3) made of a conductive material having a second current contact surface for conducting the current (I) out of the resistor (1), as well as comprising a resistor element (4) made of a resistor material, wherein the resistor element (4) is arranged in the direction of current flow between the first connection part (2) and the second connection part (3), such that the electrical current (I) flows through the electrical resistor (1). The current (I) perpendicularly enters or leaves the connections parts (2, 3) via their outer surfaces.
    Type: Grant
    Filed: July 22, 2015
    Date of Patent: December 25, 2018
    Assignee: Isabellenhuette Heusler GmbH & Co. KG
    Inventor: Ullrich Hetzler
  • Patent number: 10083782
    Abstract: The invention relates to a punched part for producing an electrical resistor, in particular a current measuring resistor, comprising a resistor element (9) consisting of a low-resistance resistive material (for example Manganin®) and two electrical connection parts (10, 11) consisting of a conductor material (for example copper), wherein the resistor element (9) is arranged between the two electrical connection parts (10, 11) in the direction of current flow in such a way that the electrical current flows through the resistor element (9). In accordance with the invention, the punched part additionally has a landing area (14) for providing an integrated circuit (16) on the landing area (14) of the punched part. Furthermore, the invention comprises a current sensor comprising such a punched part and a corresponding production method.
    Type: Grant
    Filed: May 28, 2014
    Date of Patent: September 25, 2018
    Assignee: Isabellenhuette Heusler GmbH & Co. KG
    Inventor: Jan Marien
  • Patent number: 9972424
    Abstract: The invention relates to a composite material strip for producing an electric component, in particular a resistor, in particular a low-resistance current-measuring resistor, comprising a first material strip (4) made of a copper-containing material, in particular a copper-containing conductor material, for later forming a first connection part of the electric component and comprising a second material strip (3) for later forming a second connection part of the electric component. The first material strip (4) and the second material strip (3) are electrically and mechanically connected together along a longitudinal seam, wherein the second material strip (3) consists of an aluminum-containing material, in particular an aluminum-containing conductor material. The invention further relates to a corresponding production method and to a corresponding component.
    Type: Grant
    Filed: September 25, 2015
    Date of Patent: May 15, 2018
    Assignee: Isabellenhuette Heusler GmbH & Co. KG
    Inventor: Ullrich Hetzler
  • Publication number: 20180024168
    Abstract: The invention relates to a coupling for electrically and mechanically connecting medium-voltage or high-voltage components, in particular for voltages of 1 kV to 52 kV, comprising a first connecting piece for mechanically and electrically connecting a medium-voltage or high-voltage component, in particular for connecting to a complementary connecting piece of a bushing of a switchgear cabinet, and a second connecting piece for mechanically and electrically connecting another medium-voltage or high-voltage component, in particular for connecting to a complementary connecting piece of an electrical cable, wherein the two connecting pieces of the coupling belong to complementary connection types, which fit together mechanically, and comprising a low-resistance current sensing resistor, which is built into the coupling and electrically connected between the first connecting piece and the second connecting piece in order to measure a current flow between the first connecting piece and the second connecting piece.
    Type: Application
    Filed: November 20, 2015
    Publication date: January 25, 2018
    Applicant: ISABELLENHÜTTE HEUSLER GMBH & CO. KG
    Inventors: ULLRICH HETZLER, JAN MARIEN, ALEXANDER WASSMANN, ECKHARD WENDT
  • Publication number: 20170243679
    Abstract: The invention relates to a composite material strip for producing an electric component, in particular a resistor, in particular a low-resistance current-measuring resistor, comprising a first material strip (4) made of a copper-containing material, in particular a copper-containing conductor material, for later forming a first connection part of the electric component and comprising a second material strip (3) for later forming a second connection part of the electric component. The first material strip (4) and the second material strip (3) are electrically and mechanically connected together along a longitudinal seam, wherein the second material strip (3) consists of an aluminum-containing material, in particular an aluminum-containing conductor material. The invention further relates to a corresponding production method and to a corresponding component.
    Type: Application
    Filed: September 25, 2015
    Publication date: August 24, 2017
    Applicant: Isabellenhuette Heusler GmbH & Co. KG
    Inventor: Ullrich HETZLER
  • Patent number: 9435832
    Abstract: The invention relates to an electronic component (1), in particular a current sensor, having a resistance element (5) made of a resistance material, a first connection part (3) made of a conductor material for introducing an electrical current into the resistance element (5), and a second connection part (4) made of a conductor material for discharging the electrical current from the resistance element (5). According to the invention, the component (1) has a temperature-measuring device (8) for measuring a temperature difference between the resistance element (5), on the one hand, and at least one of the two connection parts (3, 4), on the other hand, in order to derive the current from the temperature difference.
    Type: Grant
    Filed: February 5, 2016
    Date of Patent: September 6, 2016
    Assignee: Isabellenhuette Heusler GmbH & Co. KG
    Inventor: Ullrich Hetzler
  • Patent number: 9437353
    Abstract: The invention relates to a resistor, in particular a low-resistance current-measuring resistor, comprising a first connection part (1) that consists of a conductor material for introducing an electrical current (I), a second connection part (2) that consists of a conductor material for discharging said electrical current (I), and a resistor element (3) that consists of a resistor material and is arranged between the two connection parts (1, 2) in the direction of the current, also comprising a resistor coating (7) that consists of a metallic material for the purpose of achieving protection from corrosion, and/or improving solderability. According to the invention, the metallic coating (7) is applied directly to the entire free surface of the resistor element (3) without any insulation layer.
    Type: Grant
    Filed: June 5, 2013
    Date of Patent: September 6, 2016
    Assignee: Isabellenhuette Heusler GmbH & Co. KG
    Inventor: Ullrich Hetzler
  • Patent number: 9255946
    Abstract: The invention relates to an electronic component (1), in particular a current sensor, having a resistance element (5) made of a resistance material, a first connection part (3) made of a conductor material for introducing an electrical current into the resistance element (5), and a second connection part (4) made of a conductor material for discharging the electrical current from the resistance element (5). According to the invention, the component (1) has a temperature-measuring device (8) for measuring a temperature difference between the resistance element (5), on the one hand, and at least one of the two connection parts (3, 4), on the other hand, in order to derive the current from the temperature difference.
    Type: Grant
    Filed: January 17, 2011
    Date of Patent: February 9, 2016
    Assignee: Isabellenhuette Heusler GmbH & Co. KG
    Inventor: Ullrich Hetzler
  • Patent number: 8884733
    Abstract: The invention relates to a current-sensing resistor (1) for measuring an electric current, in particular also for measuring a battery current in a vehicle power supply, having a plate-shaped first connecting part (3) for introducing the electrical current to be measured, wherein the plate-shaped first connecting part (3) consists of an electrically conductive conductor material; a plate-shaped second connecting part (2) for conducting away the electrical current to be measured, wherein the plate-shaped second connecting part (2) consists of an electrically conductive conductor material; and a plate-shaped resistance element (4), which is connected in the current path between the two connecting parts and through which the electrical current to be measured flows, wherein the resistance element (4) consists of a comparatively high-impedance resistance material.
    Type: Grant
    Filed: August 24, 2011
    Date of Patent: November 11, 2014
    Assignee: Isabellenhuette Heusler GmbH & Co. KG
    Inventor: Ullrich Hetzler
  • Publication number: 20140191772
    Abstract: The invention relates to a differential current sensor for measuring a differential current (?I) between an electric current (IH) through a delivery conductor (H) and an electric current (IR) through a return conductor (R), with two low-ohmic current-measuring resistors (RH, RL) for measuring the currents (IH, IR) in the delivery conductor (H) and return conductor (R) and two measuring devices (MEH, MEL) with a measuring transducer for measuring the voltage drops (UH, UL) over the two current-sense resistors (RH, RL) in each case, and also with two voltage references (UREFH, UREFL) for calibrating the measuring devices (MEH, MEL). It is suggested that the two measuring transducers successively measure both the voltage drop (UH) over the respective current-sense resistor (RH) and the associated voltage reference (UREFH, UREFL).
    Type: Application
    Filed: August 6, 2012
    Publication date: July 10, 2014
    Applicant: ISABELLENHUETTE HEUSLER GMBH & CO. KG
    Inventor: Ullrich Hetzler
  • Publication number: 20140152313
    Abstract: The invention relates to a battery sensor for a battery, in particular a motor vehicle battery, with a pole terminal (2) made out of an electrically conductive material for electric connection of the battery sensor (1) to a connecting contact of a battery, in particular to a ground contact of the battery, as well as with a low-ohm current-sense resistor for measuring a battery current with which the battery is discharged or charged. The battery sensor according to the invention further includes a plurality of tongues (8-10) arranged apart from the pole terminal (2) for mechanical mounting of the current-sense resistor (4) on the pole terminal (2). (FIG.
    Type: Application
    Filed: December 3, 2012
    Publication date: June 5, 2014
    Applicant: ISABELLENHUETTE HEUSLER GMBH & CO. KG
    Inventor: Ullrich HETZLER