Patents by Inventor Peter Rittscher

Peter Rittscher 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 of operating grinding apparatus and grinding apparatus operating according to this method
    Patent number: 4598872
    Abstract: The invention relates to grinding apparatus and a method of operating such apparatus in which the gas speed in the nozzle ring of the mill is altered as a function of the power consumption of the bucket conveyor so that the quantity of material conveyed by the bucket conveyor and the gradation of grain sizes thereof are kept constant. A control circuit alters the material supply to the mill when the gas speed in the nozzle ring exceeds a predetermined maximum value or falls below a predetermined minimum value.
    Type: Grant
    Filed: May 6, 1985
    Date of Patent: July 8, 1986
    Assignee: Krupp Polysius AG
    Inventors: Heinrich Henne, Ludger Lohnherr, Peter Rittscher, Walter Holz