Patents by Inventor Hakan Ekberg

Hakan Ekberg 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).

  • Plant for drying fuel
    Patent number: 4292742
    Abstract: Fuel and additional material are dried prior to entering the combustion chamber of a thermal power plant using drying chambers having fluidized beds. The heat required for drying is extracted from the hot ashes from the power plant by means of an oxygen-poor gas which circulates through heating chambers containing the ashes and drying chambers containing the fuel in a substantially closed loop. The loop may include a condenser for dehumidification of the circulating gas.
    Type: Grant
    Filed: June 5, 1979
    Date of Patent: October 6, 1981
    Assignee: STAL-LAVAL Turbin AB
    Inventor: Hakan Ekberg