Patents by Inventor JAN ACHTERMANN

JAN ACHTERMANN 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 determining the dryness of a fibrous web, and method for controlling or regulating a machine for producing a paper web, and computer program for carrying out the methods
    Patent number: 11926963
    Abstract: A method for determining the dryness of a fibrous web, in particular a tissue web, during the production of the fibrous web, is carried out in a machine including a drying cylinder, in particular a Yankee cylinder, to which at least one, preferably two, dryer hoods are assigned, and a reel-up for winding up the fibrous web. The determination of the dryness of the fibrous web is carried out before the drying cylinder on the basis of measured values which describe the following variables: the amount of solids in the fiber web at the reel-up, the amount of water in the fiber web at the reel-up, and the amount of water which is evaporated in the dryer hood or hoods. A method for controlling or regulating a machine for producing a fibrous web, a computer program and computer program product are also provided.
    Type: Grant
    Filed: November 20, 2018
    Date of Patent: March 12, 2024
    Assignee: Voith Patent GmbH
    Inventors: Jan Achtermann, Marcus Schwier, Marco Popp, Juergen Schaefer
  • METHOD FOR DETERMINING THE DRYNESS OF A FIBROUS WEB, AND METHOD FOR CONTROLLING OR REGULATING A MACHINE FOR PRODUCING A PAPER WEB, AND COMPUTER PROGRAM FOR CARRYING OUT THE METHODS
    Publication number: 20200385927
    Abstract: A method for determining the dryness of a fibrous web, in particular a tissue web, during the production of the fibrous web, is carried out in a machine including a drying cylinder, in particular a Yankee cylinder, to which at least one, preferably two, dryer hoods are assigned, and a reel-up for winding up the fibrous web. The determination of the dryness of the fibrous web is carried out before the drying cylinder on the basis of measured values which describe the following variables: the amount of solids in the fiber web at the reel-up, the amount of water in the fiber web at the reel-up, and the amount of water which is evaporated in the dryer hood or hoods. A method for controlling or regulating a machine for producing a fibrous web, a computer program and computer program product are also provided.
    Type: Application
    Filed: November 20, 2018
    Publication date: December 10, 2020
    Inventors: JAN ACHTERMANN, MARCUS SCHWIER, MARCO POPP, JUERGEN SCHAEFER