Patents Assigned to Raute Precision Oy
  • Loss-in-weight feeder control
    Patent number: 6446836
    Abstract: A method and system for feeding particulate matter in a process or similar application uses feed control based on a loss-in-weight measurement scheme. The control signal for the loss-in-weight control system is formed from the sum function of loss-in-weight measurements performed on the weight of a feed unit and a replenishment unit communicating with a continuous or gravitational plug flow.
    Type: Grant
    Filed: November 21, 2000
    Date of Patent: September 10, 2002
    Assignees: Raute Precision Oy, Outokumpa Oyj
    Inventors: Pentti Aalto, Jan-Peter Björklund