Patents by Inventor Vilhelm Rydén

Vilhelm Rydén 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).

  • Estimating the thermal resisitivity of soil surrounding an underground cable
    Patent number: 12455253
    Abstract: The invention is concerned with a method, arrangement, computer program and computer program product for estimating the thermal resistivity of soil surrounding an underground cable. The arrangement comprises a thermal resistivity estimating unit that obtains a first temperature (Ts) from a first temperature sensor at an exterior surface of the cable, obtains a second temperature (Ta) from a second temperature sensor placed in the soil at a distance from the cable, obtains a measurement of current (Ic) transmitted in the cable and estimates the thermal resistivity of soil based on the first and the second temperatures (Ts, Ta) as well as on the current measurement (Ic).
    Type: Grant
    Filed: November 11, 2022
    Date of Patent: October 28, 2025
    Assignee: NKT HV Cables AB
    Inventors: Ola Thyrvin, Vilhelm Rydén
  • Estimating The Thermal Resisitivity Of Soil Surrounding An Underground Cable
    Publication number: 20230152260
    Abstract: The invention is concerned with a method, arrangement, computer program and computer program product for estimating the thermal resistivity of soil surrounding an underground cable. The arrangement comprises a thermal resistivity estimating unit that obtains a first temperature (Ts) from a first temperature sensor at an exterior surface of the cable, obtains a second temperature (Ta) from a second temperature sensor placed in the soil at a distance from the cable, obtains a measurement of current (Ic) transmitted in the cable and estimates the thermal resistivity of soil based on the first and the second temperatures (Ts, Ta) as well as on the current measurement (Ic).
    Type: Application
    Filed: November 11, 2022
    Publication date: May 18, 2023
    Inventors: Ola Thyrvin, Vilhelm Rydén