Patent ID: 11926963
Assignee: VOITH PATENT GMBH
Field: Measurement (Instruments)
Classification: CPC D  G | IPC D  G

Claim 3:
4. A method for controlling or regulating a machine for producing a fibrous web or a tissue web, the method comprising the following steps:
providing a machine including a drying cylinder or Yankee cylinder, at least one dryer hood associated with the drying cylinder, and a reel-up for winding up the fibrous web;
determining a dryness of the fibrous web before the drying cylinder based on measured values describing the following variables:
a) an amount of solids in the fibrous web at the reel-up,
b) an amount of water in the fibrous web at the reel-up, and
c) an amount of water evaporated in the dryer hood or hoods; and

using the dryness of the fibrous web before the drying cylinder for controlling or regulating the machine.