Patents by Inventor Joseph E. Hallstrom

Joseph E. Hallstrom 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).

  • Cyclone after-burner for cyclone reburn NO.sub.x reduction
    Patent number: 5572956
    Abstract: A cyclone after-burner for cyclone reburn NO.sub.x reduction in a furnace has a retractable fuel pipe inside a lance extending along the cylindrical axis of the cyclone to a point near the re-entrant throat. The lance has a water-cooled jacket that is refractory covered to reduce heat absorption. The fuel pipe is adapted to provide gas, oil or pulverized coal for combustion in the furnace.
    Type: Grant
    Filed: October 27, 1995
    Date of Patent: November 12, 1996
    Assignee: The Babcock & Wilcox Company
    Inventors: Joseph E. Hallstrom, Peter H. Schueler