Patents by Inventor Lee H. Freeman

Lee H. Freeman 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).

  • Multi-sided watercooled rotary combustor
    Patent number: 5097773
    Abstract: A watercooled rotary combustor comprising a plurality of pipes or tubes secured together, means mounting the plurality of pipes or tubes for rotation about the axis of the inner surface with the axis being horizontally tilted so as to have a high end and a low end, means for rotating the plurality of pipes or tubes on the mounting, a feeding chute into which burnable waste material can be stacked which opens into the high end of the combustor, the pipes or tubes being interconnected for circulating water flow and having a water input line and a water/steam discharge line, means for circulating water through the lines including a steam drum connected to the discharge line for separating steam from the water, the pipes or tubes being secured so as to define a plurality of intermediate openings so that the inner surface of the combustor is gas porous, and means for delivering controlled amounts of combustion air for burning through selected portions of the porous surface, the improvement comprising, a combustor
    Type: Grant
    Filed: May 24, 1991
    Date of Patent: March 24, 1992
    Assignee: Tampella Power Corporation
    Inventor: Lee H. Freeman
  • Multi-sided watercooled rotary combustor
    Patent number: 5042402
    Abstract: A watercooled rotary combustor comprising a plurality of pipes or tubes secured together, means mounting the plurality of pipes or tubes for rotation about the axis of the inner surface with the axis being horizontally tilted so as to have a high end and a low end, means for rotating the plurality of pipes or tubes on the mounting, a feeding chute into which burnable waste material can be stacked which opens into the high end of the combustor, the pipes or tubes being interconnected for circulating water flow and having a water input line and a watersteam discharge line, means for circulating water through the lines including a steam drum connected to the discharge line for separating steam from the water, the pipes or tubes being secured so as to define a plurality of intermediate openings so that the inner surface of the combustor is gas porous, and means for delivering controlled amounts of combustion air for burning through selected portions of the porous surface, the improvement comprising, a combustor f
    Type: Grant
    Filed: August 15, 1990
    Date of Patent: August 27, 1991
    Assignee: Tampella Keeler Incorporated
    Inventor: Lee H. Freeman