Patents by Inventor Francois Kistler

Francois Kistler 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 and optimizing the operation of a perforated belt press for filtering slurry
    Patent number: 4707272
    Abstract: A level measuring sensor is arranged at the start of the straining zone in the perforated belt press and this in particular measures the level change and then regulates the flocculant inflow. In order that the level in the straining zone is stabilized, the perforated belt press must operate in the overflocculation zone. If the flocculant inflow is reduced to the technically possible operating limit, the dry substance content of the filter cake has an optimum value. Thus, the optimization of the control of the operation of the perforated belt press can be reduced to a relatively simple measurement of a level or the time changed thereto.
    Type: Grant
    Filed: March 14, 1986
    Date of Patent: November 17, 1987
    Assignee: Von Roll AG
    Inventor: Francois Kistler