Patents by Inventor Louis C. Eberle

Louis C. Eberle 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: 4978331
    Abstract: A decanter centrifuge typically includes a bowl which is rotatable about its longitudinal axis and an independently rotatable screw conveyor mounted coaxially therein. A drive motor is provided to rotate the conveyor at a differential speed from that of the bowl, which has a separate drive motor. An engagement element, in the form of an indexing clutch, an over-running clutch or a selectively controllable clutching element, is provided between the conveyor drive motor and the bowl to simultaneously rotate the bowl and the conveyor during a cleaning in place operation of the centrifuge.
    Type: Grant
    Filed: July 11, 1989
    Date of Patent: December 18, 1990
    Assignee: Alfa-Laval AB
    Inventors: Joseph F. Luchetta, Louis C. Eberle