Patents by Inventor Matthew B. Keeling

Matthew B. Keeling 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).

  • Apparatus, system, and method for operating and controlling combustor for ground or particulate biomass
    Patent number: 7841282
    Abstract: An apparatus, method, and system for combusting bridging fuel which includes biomass material. The apparatus includes an enclosure having a relatively thin wall defining a firebox. A temperature sensor is positioned on the exterior of the wall of the firebox. A controller is operatively connected to the temperature sensor and the fuel feed conveyor. If the temperature sensor exceeds a set point, the controller automatically operates the fuel feed conveyor to refill the firebox with fuel, which reinsulates the wall of the firebox so that fuel surrounds the combustion. A method according to the invention causes a refilling of fuel into a firebox upon sensing a condition indicative of a collapse of the bridging fuel in the firebox during combustion, losing its insulating effect at that location. The refilling is adapted to reinsulate the firebox with the fuel.
    Type: Grant
    Filed: September 21, 2006
    Date of Patent: November 30, 2010
    Inventors: John Kimberlin, Matthew B. Keeling