Patents by Inventor Göte Tallbäck

Göte Tallbäck 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).

  • Control system, computer program product, device and method
    Patent number: 7669638
    Abstract: A control system for regulating the flow of liquid metal in a device for casting a metal. A detector measures a process variable. A control unit evaluates data from the detector. At least one process parameter is automatically varied in order to optimize casting conditions. The detector measures a characteristic of the meniscus at at least two points on the meniscus instantaneously throughout the casting process.
    Type: Grant
    Filed: November 28, 2003
    Date of Patent: March 2, 2010
    Assignee: ABB AB
    Inventors: Sten Kollberg, Jan-Erik Eriksson, Carl-Fredrik Lindberg, Mats Molander, Peter Löfgren, Göte Tallbäck, Rebei Bel Fdhila, Bertil Samuelsson, Stefan Israelsson Tampe, Christina Wallin
  • Device and a method for stabilizing a web or a filament of ferromagnetic material moving in one direction
    Patent number: 7187532
    Abstract: A device and a method for stabilising a metallic object of magnetic material. The metallic object is transported along a transportation path or plane. The plane includes a transportation direction and is parallel to the longitudinal direction of the object therein. A sensor is arranged to sense the valve of a parameter depending on the position of the object with respect to the plane. An electromagnetic actuator is arranged to apply a magnetic force to the object in respone to the sensed position. The magnetic force has a force component directed transversely to the transportation direction and transversely to the plane.
    Type: Grant
    Filed: August 10, 2001
    Date of Patent: March 6, 2007
    Assignee: ABB AB
    Inventors: Per Lennart Eriksson, Bengt Rydholm, Sven Karlsson, Magnus Hallbäck, Göte Tallbäck
  • Method and device for continuous casting of metals
    Patent number: 6513575
    Abstract: A method and a device for continuous casting of metals, in which the device comprises a mould (1), through which a liquid metal passes, and a member (4), through which a liquid metal is supplied as a jet to the mould (1). The device comprises magnet members (6, 7) for applying a magnetic field varying with time and being substantially fixed in the room to the liquid metal in the mould (1).
    Type: Grant
    Filed: June 1, 2001
    Date of Patent: February 4, 2003
    Assignee: ABB AB
    Inventors: Conny Svahn, Tord Kroon, Jan-Erik Eriksson, Göte Tallbäck
  • Method and device for control of metal flow during continuous casting using electromagnetic fields
    Patent number: 6494249
    Abstract: A method and a device for continuous or semi-continuous casting of metal. A primary flow (P) of hot metallic melt supplied into a mold is acted upon by at least one static or periodically low-frequency magnetic field to brake and split the primary flow and form a controlled secondary flow pattern in the non-solidified parts of the cast strand. The magnetic flux density of the magnetic field is controlled based on casting conditions. The secondary flow (M, U, C1, C2, c3, c4, G1, G2, g3, g4, O1, O2, o3, o4) in the mold is monitored throughout the casting and upon detection of a change in the flow, information on the detected change monitored flow is fed into a control unit (44) where the change is evaluated and the magnetic flux density is regulated based on this evaluation to maintain or adjust the controlled secondary flow.
    Type: Grant
    Filed: May 4, 2000
    Date of Patent: December 17, 2002
    Assignee: ABB AB
    Inventors: Sten Kollberg, Carl Petersohn, Göte Tallbäck, Jan-Erik Eriksson, Magnus Hällefält