Patents by Inventor Tomas .ANG.byhammar

Tomas .ANG.byhammar 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).

  • Treatment of moist fuel
    Patent number: 6138381
    Abstract: A process of treating moist fuel, particularly biomass fuel, in connection with a power production process, comprises drying moist fuel (7) by means of combustion air (3), which is thereafter supplied to the power production process combustion section (1). Flue gas (11) from the combustion section, which as a result of said drying has become moisture-laden, is condensed (13) while recovering heat (15), which may be used as drying heat. In accordance with a preferred embodiment, the flue gas condensation is used to humidify (31) the combustion air.
    Type: Grant
    Filed: April 16, 1998
    Date of Patent: October 31, 2000
    Assignee: Vattenfall AB (Publ.)
    Inventor: Tomas .ANG.byhammar