Patents by Inventor Shyam V. Digne

Shyam V. Digne 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).

  • Plasma fired feed nozzle
    Patent number: 4761793
    Abstract: A plasma feed nozzle 3 for a furnace 1 which has a tubular mixing chamber 7 open at one end to the furnace, a plasma torch 13 which provides superheated gases axially to the central portion of the mixing chamber 7, shroud gases which enter the end of the mixing chamber opposite the end open to the furnace in such a way as to swirl as it moves axially through the mixing chamber 7 to provide a temperature profile which is substantially hotter in the central portion of the mixing chamber 7 than adjacent the wall portion thereof and a particulate feed nozzle 25 disposed to direct particulate material to the central portion of the mixing chamber.
    Type: Grant
    Filed: May 8, 1987
    Date of Patent: August 2, 1988
    Assignee: Electric Power Research Institute
    Inventors: Shyam V. Digne, Charles B. Wolf