Patents by Inventor Jan-Ake Borjesson

Jan-Ake Borjesson 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).

  • Patent number: 8809686
    Abstract: An electrical bushing for providing electrical insulation of a conductor extending through the bushing is disclosed. The bushing includes: one conductive foil concentrically arranged around the conductor location; and one FGM part, made from a field grading material and partly arranged in the extension of part of a foil edge of a conductive foil. The FGM part and the conductive foil, in the extension of which the FGM part is arranged, are in electrical contact.
    Type: Grant
    Filed: October 5, 2012
    Date of Patent: August 19, 2014
    Assignee: ABB Research Ltd.
    Inventors: Jan-Ake Borjesson, Goran Eriksson, Sari Laihonen, Manoj Pradhan, Peter Sjoberg, Mikael Unge
  • Publication number: 20130025911
    Abstract: An electrical bushing for providing electrical insulation of a conductor extending through the bushing is disclosed. The bushing includes: one conductive foil concentrically arranged around the conductor location; and one FGM part, made from a field grading material and partly arranged in the extension of part of a foil edge of a conductive foil. The FGM part and the conductive foil, in the extension of which the FGM part is arranged, are in electrical contact.
    Type: Application
    Filed: October 5, 2012
    Publication date: January 31, 2013
    Inventors: Jan-Ake Borjesson, Goran Eriksson, Sari Laihonen, Manoj Pradhan, Peter Sjoberg, Mikael Unge