Patents by Inventor Erhard WEHNER

Erhard WEHNER 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).

  • Modular unit comprising a laminate stack for an electric machine, method for producing such a modular unit, and electric machine
    Patent number: 10536043
    Abstract: A component unit for an electric machine includes an annular lamination stack formed of a plurality of axially stacked laminations. The lamination stack is secured by an inner or outer cylindrical fastening portion to a cylindrical receiving portion of a carrier element. The carrier element has two stops between which the lamination stack is axially clamped in a frictionally engaging manner. At least one of the axial stops has an annular supporting element arranged at the receiving portion and supports the lamination stack and which is fixed at the carrier element by at least one caulking region.
    Type: Grant
    Filed: March 12, 2015
    Date of Patent: January 14, 2020
    Assignee: ZF Friedrichshafen AG
    Inventors: Bernard Byzio, Walter Wolf, Erhard Wehner
  • Modular Unit Comprising A Laminate Stack For An Electric Machine, Method For Producing Such A Modular Unit, And Electric Machine
    Publication number: 20170040852
    Abstract: A component unit for an electric machine includes an annular lamination stack formed of a plurality of axially stacked laminations. The lamination stack is secured by an inner or outer cylindrical fastening portion to a cylindrical receiving portion of a carrier element. The carrier element has two stops between which the lamination stack is axially clamped in a frictionally engaging manner. At least one of the axial stops has an annular supporting element arranged at the receiving portion and supports the lamination stack and which is fixed at the carrier element by at least one staking region.
    Type: Application
    Filed: March 12, 2015
    Publication date: February 9, 2017
    Inventors: Bernard BYZIO, Walter WOLF, Erhard WEHNER