Patents by Inventor Juergen Model

Juergen Model 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: 6047731
    Abstract: The invention relates to a pressure fitting (1) having a flow channel (42), a valve cone (5), a sliding element (43), and a locking device (12). The sliding element (43) is disposed displaceably along a main axis (41) of the pressure fitting (1). The valve cone is disposed on one end (44) of the sliding element (43). The flow channel (42) is closable by the valve cone (5) and the locking device (12) can be moved into a locking position, so that in a position of the valve cone (5) that opens the flow channel (42) the locking device (12) engages the valve cone (5) and/or the sliding element (42) and keeps the valve cone (5) in the position that opens the flow channel (42). Thereby a pressure relief in a pressurized system, in particular in a pressurizer (47) of a pressurized water reactor, can be assured even to a pressureless state. The pressure fitting is particular useful as a pressure relief valve or as a combined pressure relief and safety valve.
    Type: Grant
    Filed: March 21, 1997
    Date of Patent: April 11, 2000
    Assignee: Siemens Aktiengesellschaft
    Inventors: Hermann-Josef Conrads, Erwin Laurer, Juergen Model, Ullrich Preiss