Patents by Inventor Johan Erik Boij

Johan Erik Boij 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 of operating a combined cycle power plant
    Patent number: 6837702
    Abstract: A method of using internal combustion engine exhaust in a combined cycle power plant is disclosed, wherein the quality and distribution of exhaust to the boiler space of a steam generated electric power plant is controlled to achieve greater system efficiencies, and wherein exhaust pollutants are reduced. Outside air is blended only with that portion of the exhaust that passes through the burner ports as secondary or higher level combustion gas. The remainder of the exhaust is provided to the boiler space by a route other than through the burner.
    Type: Grant
    Filed: October 31, 1997
    Date of Patent: January 4, 2005
    Assignee: Wartsila Diesel, Inc.
    Inventors: Frederick McIvor Shelor, Matthew David Fisher, Joseph Robert Ferrari, Johan Erik Boij