Patents by Inventor Dietmar Heidingfeld

Dietmar Heidingfeld 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).

  • Spring element, in particular for a torsional vibration damper
    Publication number: 20030178757
    Abstract: The invention relates to a spring element, comprising a sprung sheet (16, 17) which co-operates with at least one rolling body (20) in a first region (23) of the device. The rolling body impinges on a stopper (22) in a second region (25) of the device and opposite to the first region of the device with the sprung sheet. The stopper and sprung sheet are mounted in a displaceable manner relative to each other and, on such a displacement, the sprung sheet is bent. The above spring element may be applied to advantage in torsional vibration dampers (1) and preferably comprises a damping unit.
    Type: Application
    Filed: February 10, 2003
    Publication date: September 25, 2003
    Inventors: Ulrich Rohs, Christoph Drager, Werner Brandwitte, Dietmar Heidingfeld