Patents by Inventor Andre GRÜBEL

Andre GRÜBEL 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).

  • Insulating unit for an electric machine
    Patent number: 11621599
    Abstract: An insulating unit for an electric machine with hairpin winding. The hairpin winding has a plurality of connection pins for electrically connecting to an interconnect and a plurality of welded hairpin ends. A base body is provided having an insulating material and extends at least over a portion of the circumference of the hairpin winding. The base body has a receiving area which faces the hairpin winding and which has openings for receiving the hairpin ends. The dividing walls are provided between the openings in circumferential direction, and the openings and/or dividing walls have fasteners for engaging connection to the hairpin ends.
    Type: Grant
    Filed: February 20, 2019
    Date of Patent: April 4, 2023
    Assignee: ZF FRIEDRICHSHAFEN AG
    Inventors: Ralf Wittstadt, Katja Willacker, Jochen Wittmann, Stefan Reuter, Andre Grübel, Matthias Ebert
  • INSULATING UNIT FOR AN ELECTRICAL MACHINE
    Publication number: 20210344245
    Abstract: An insulating unit for an electric machine with hairpin winding having a plurality of connection pins for electrically connecting to an interconnection and a plurality of welded hairpin ends which form contact pairs.
    Type: Application
    Filed: September 25, 2019
    Publication date: November 4, 2021
    Inventors: Jochen WITTMANN, Stefan REUTER, Christoph WIEDER, Daniel SCHMITT, Katja WILLACKER, Andre GRÜBEL, Martin HEßDÖRFER
  • INSULATING UNIT FOR AN ELECTRIC MACHINE
    Publication number: 20210036570
    Abstract: An insulating unit for an electric machine with hairpin winding. The hairpin winding has a plurality of connection pins for electrically connecting to an interconnect and a plurality of welded hairpin ends. A base body is provided having an insulating material and extends at least over a portion of the circumference of the hairpin winding. The base body has a receiving area which faces the hairpin winding and which has openings for receiving the hairpin ends. The dividing walls are provided between the openings in circumferential direction, and the openings and/or dividing walls have fasteners for engaging connection to the hairpin ends.
    Type: Application
    Filed: February 20, 2019
    Publication date: February 4, 2021
    Inventors: Ralf WITTSTADT, Katja WILLACKER, Jochen WITTMANN, Stefan REUTER, Andre GRÜBEL, Matthias EBERT