Patents by Inventor Helmut Weissenberger

Helmut Weissenberger 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: 4478323
    Abstract: A hydrodynamic clutch, such as a hydrodynamic torque converter, is rotatable about an axis of rotation and includes a pump wheel impeller, a turbine impeller, and a guide wheel located between the pump wheel impeller and the turbine impeller. A bridging clutch mechanically couples the pump wheel impeller and the turbine impeller. The bridging clutch has a torque transmission part which includes a torsional vibration damping device located between the pump wheel impeller and the turbine impeller. The damping device has at least one circumferentially extending spring located between stops spaced circumferentially about the axis of rotation.
    Type: Grant
    Filed: February 3, 1982
    Date of Patent: October 23, 1984
    Assignee: Fichtel & Sachs AG
    Inventor: Helmut Weissenberger