Patents by Inventor Dieter Auer

Dieter Auer 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).

  • Method for controlling a vacuum valve of a vacuum die casting device and a vacuum die casting device
    Patent number: 6948549
    Abstract: A vacuum die casting apparatus includes a casting cavity (10), which is evacuatable via a vacuum valve (26). A liquid casting material is pressable into the casting cavity by a piston (14) actuated by an actuator (17). A filling level sensor (20) detects a predetermined filling level of the casting material in the casting cavity. A control device (34) is connected to the filling level sensor for controlling the vacuum valve, and a position sensor (32) is connected to the control device (34) for detecting movement of the piston (14). The control device generates a closing signal for the vacuum valve (26) when the piston, after reaching the position (s1) at which the filling level sensor (20) indicates a predetermined filling level of the casting cavity (10) with casting material has been reached, is displaced in a predetermined manner.
    Type: Grant
    Filed: September 12, 2002
    Date of Patent: September 27, 2005
    Assignee: Alcan BDW GmbH & Co. KG
    Inventors: Jürgen Wüst, Klaus Währisch, Dieter Auer, Elisabeth Wenzel, Christophe Bagnoud
  • Method for controlling a vacuum valve of a vacuum diecasting device and a vacuum diecasting device
    Publication number: 20050126740
    Abstract: A vacuum die casting apparatus includes a casting cavity (10), which is evacuatable via a vacuum valve (26). A liquid casting material is pressable into the casting cavity by a piston (14) actuated by an actuator (17). A filling level sensor (20) detects a predetermined filling level of the casting material in the casting cavity. A control device (34) is connected to the filling level sensor for controlling the vacuum valve, and a position sensor (32) is connected to the control device (34) for detecting movement of the piston (14). The control device generates a closing signal for the vacuum valve (26) when the piston, after reaching the position (s1) at which the filling level sensor (20) indicates a predetermined filling level of the casting cavity (10) with casting material has been reached, is displaced in a predetermined manner.
    Type: Application
    Filed: September 12, 2002
    Publication date: June 16, 2005
    Inventors: Jurgen Wust, Klaus Wahrisch, Dieter Auer, Elisabeth Wenzel, Christophe Bagnoud