Patents by Inventor Bengt T. Andersson

Bengt T. Andersson 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 producing blister copper
    Patent number: 4528033
    Abstract: The invention relates to a method for producing blister copper, wherein the matte received from the smelter unit (1) is conducted in molten state into a converter reactor (3) located essentially adjacent to the smelter unit (1), and the molten matte is fed into the converter reactor (3) by means of oxidizing gas so that the molten matte is dispersed into tiny molten particles. In order to create advantageous circumstances for the method, the oxygen potential within the smelter unit (1) is maintained essentially lower than within the converter reactor (3).
    Type: Grant
    Filed: June 14, 1984
    Date of Patent: July 9, 1985
    Assignee: Outokumpu Oy
    Inventor: Bengt T. Andersson
  • Method for recovering heat from dust-bearing gases produced in smelting sulphide concentrates and means herefor
    Patent number: 4475947
    Abstract: The present invention relates to a method and a means for recovering heat from dust-bearing gases produced in the suspension smelting of sulphide concentrates. In order to reduce the tendency of the dusts to create accretions in the waste heat boiler (5), to the dust-bearing gases produced in the suspension smelting process (1) and/or to the slag is admixed a cooler, partly reactive fluid (12) prior to bringing them into indirect heat exchange contact in the waste heat boiler (5).
    Type: Grant
    Filed: October 12, 1983
    Date of Patent: October 9, 1984
    Assignee: Outokumpu Oy
    Inventor: Bengt T. Andersson