Patents by Inventor Juergen Zuegner

Juergen Zuegner 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).

  • Flow-control valve
    Patent number: 5996615
    Abstract: Disclosed is a 2-way flow control valve whereby a constant hydraulic fluid volume flow may be adjusted by serial arrangement of a restrictor orifice and a control orifice. In the case of a reverse flow through the flow control valve of the present invention, a check actuating element of the flow control valve may be displaced against the bias of its own check spring in such a way that a bypass channel which bypasses the restrictor orifice can be controlled open.
    Type: Grant
    Filed: July 14, 1998
    Date of Patent: December 7, 1999
    Assignee: Mannesmann Rexroth AG
    Inventors: Juergen Zuegner, Karl Cords, Hans Mueller, Michael Schulte