Patents by Inventor Daniel WOELFEL

Daniel WOELFEL has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Sensor for a vehicle electrical system
    Patent number: 12332317
    Abstract: The invention relates to a sensor(S), in particular for an electrical network of an electrically driven vehicle, in particular in an electric car. The sensor according to the invention comprises first of all a measuring device (ME) for current measurement and/or for voltage measurement in the electrical network, in particular with a low-resistance current sense resistor for current measurement according to the four-wire technique. Furthermore, the sensor(S) according to the invention comprises an integrated insulation monitoring device (ME, IQ, Rk, S3) for monitoring an electrical insulation of high-side and/or low-side of the electrical network. The sensor(S) according to the invention is characterized by the fact that the insulation monitoring device (ME, IQ, Rk, S3) operates actively and impresses measurement pulses into the electrical network for insulation monitoring.
    Type: Grant
    Filed: June 30, 2021
    Date of Patent: June 17, 2025
    Assignees: Isabellenhuette Heusler GMBH & Co. KG, Bender GMBH & Co. KG
    Inventors: Jan Marien, Benjamin Seel, Andreas Lepper, Felix Lebeau, Alexander Wassmann, Mario Lehr, Daniel Woelfel, Eckhard Broeckmann, Carsten Weiss, Matthias Gruen
  • SENSOR FOR A VEHICLE ELECTRICAL SYSTEM
    Publication number: 20230288485
    Abstract: The invention relates to a sensor (S), in particular for an electrical network of an electrically driven vehicle, in particular in an electric car. The sensor according to the invention comprises first of all a measuring device (ME) for current measurement and/or for voltage measurement in the electrical network, in particular with a low-resistance current sense resistor for current measurement according to the four-wire technique. Furthermore, the sensor (S) according to the invention comprises an integrated insulation monitoring device (ME, IQ, Rk, S3) for monitoring an electrical insulation of high-side and/or low-side of the electrical network. The sensor (S) according to the invention is characterized by the fact that the insulation monitoring device (ME, IQ, Rk, S3) operates actively and impresses measurement pulses into the electrical network for insulation monitoring.
    Type: Application
    Filed: June 30, 2021
    Publication date: September 14, 2023
    Inventors: Jan MARIEN, Benjamin SEEL, Andreas LEPPER, Felix LEBEAU, Alexander WASSMANN, Mario LEHR, Daniel WOELFEL, Eckhard BROECKMANN, Carsten WEISS, Matthias GRUEN