Patents by Inventor Morgan W. DeFoort

Morgan W. DeFoort 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).

  • Publication number: 20160076774
    Abstract: Disclosed herein are systems and devices that aid in reducing particulate emissions from biomass stoves, for example by the use of gases injected in or near the oxidation zone of a combustion chamber. Also disclosed are systems and devices providing electricity to a pump or blower that aids in injecting the gas and/or collecting exhaust gases. In some embodiments the device providing electricity is a thermoelectric generator that may also be used to power other devices. In many embodiments, the systems and devices inject a gas at or near the oxidation zone in the combustion chamber of a biomass stove. The gas injected into the zone may be fresh air, exhaust from combustion or combinations thereof. The gas can be forced into the to combustion chamber with the aid of a pump or blower that may also aid in drawing in exhaust gas.
    Type: Application
    Filed: September 11, 2015
    Publication date: March 17, 2016
    Inventors: Morgan W. DeFoort, Nathan Lorenz, John Mizia, Jason Prapas, Kevin Dischino
  • Publication number: 20150211743
    Abstract: A combustion chamber may include an upper and a lower chamber. The chambers may be separable to aid in loading fuel and removing spent fuel. The cross-section of the upper combustion chamber may be less than the cross-section of the lower section. Charcoal or other biomass fuel may be added into the lower combustion chamber and may be supported by a grate. Oxygen may be fed into the combustion chamber through a plurality of apertures that may be substantially shielded from direct line of site of the fuel bed. The upper combustion chamber may further include an annular constriction, to aid in constricting the view factor between the cooking vessel and the fuel bed. The constriction may also aid in radiating energy back to the fuel bed.
    Type: Application
    Filed: November 24, 2014
    Publication date: July 30, 2015
    Inventors: Morgan W. DeFoort, Cory Kreutzer, Sean Babbs, Josh Agenbroad, Christian L'Orange
  • Publication number: 20150083108
    Abstract: A combustion chamber, having an upper part and a lower part, may include an annular constriction, in combination with the combustion chamber, to aid in directing partially combusted gases such as carbon monoxide away from the periphery of the combustion chamber back toward its center, and into the flame front. The annular constriction may also impede the flow of partially combusted gases located at the periphery, thus increasing the time these gases spend within the combustion chamber and increasing the likelihood that any products of incomplete combustion will undergo combustion. The combustion chamber may further comprise a dual burner cooktop for directing combustion gases and exhaust to multiple cooking vessels. In further embodiments, the combustion chamber may be made of, lined, or clad with a metal alloy comprising iron, chromium, and aluminum.
    Type: Application
    Filed: December 1, 2014
    Publication date: March 26, 2015
    Inventors: Morgan W. DeFoort, Bryan D. Willson, Nathan Lorenz, Michael P. Brady, Anthony Marchese, Daniel D. Miller-Lionberg
  • Patent number: 8899222
    Abstract: A combustion chamber, having an upper part and a lower part, may include an annular constriction, in combination with the combustion chamber, to aid in directing partially combusted gases such as carbon monoxide away from the periphery of the combustion chamber back toward its center, and into the flame front. The annular constriction may also impede the flow of partially combusted gases located at the periphery, thus increasing the time these gases spend within the combustion chamber and increasing the likelihood that any products of incomplete combustion will undergo combustion. The combustion chamber may further comprise a dual burner cooktop for directing combustion gases and exhaust to multiple cooking vessels. In further embodiments, the combustion chamber may be made of, lined, or clad with a metal alloy comprising iron, chromium, and aluminum.
    Type: Grant
    Filed: April 8, 2010
    Date of Patent: December 2, 2014
    Assignees: Colorado State University Research Foundation, UT-Battelle, LLC
    Inventors: Morgan W. DeFoort, Bryan D. Willson, Nathan Lorenz, Michael P. Brady, Anthony Marchese, Daniel D. Miller-Lionberg
  • Patent number: 8893703
    Abstract: A combustion chamber may include an upper and a lower chamber. The chambers may be separable to aid in loading fuel and removing spent fuel. The cross-section of the upper combustion chamber may be less than the cross-section of the lower section. Charcoal or other biomass fuel may be added into the lower combustion chamber and may be supported by a grate. Oxygen may be fed into the combustion chamber through a plurality of apertures that may be substantially shielded from direct line of site of the fuel bed. The upper combustion chamber may further include an annular constriction, to aid in constricting the view factor between the cooking vessel and the fuel bed. The constriction may also aid in radiating energy back to the fuel bed.
    Type: Grant
    Filed: November 16, 2010
    Date of Patent: November 25, 2014
    Assignee: Colorado State University Research Foundation
    Inventors: Morgan W. DeFoort, Cory Kreutzer, Sean Babbs, Josh Agenbroad, Christian L'Orange
  • Publication number: 20110114074
    Abstract: A combustion chamber may include an upper and a lower chamber. The chambers may be separable to aid in loading fuel and removing spent fuel. The cross-section of the upper combustion chamber may be less than the cross-section of the lower section. Charcoal or other biomass fuel may be added into the lower combustion chamber and may be supported by a grate. Oxygen may be fed into the combustion chamber through a plurality of apertures that may be substantially shielded from direct line of site of the fuel bed. The upper combustion chamber may further include an annular constriction, to aid in constricting the view factor between the cooking vessel and the fuel bed. The constriction may also aid in radiating energy back to the fuel bed.
    Type: Application
    Filed: November 16, 2010
    Publication date: May 19, 2011
    Applicant: Colorado State University Research Foundation
    Inventors: Morgan W. DeFoort, Cory Kreutzer, Sean Babbs, Josh Agenbroad, Christian L'Orange
  • Publication number: 20100258104
    Abstract: A combustion chamber, having an upper part and a lower part, may include an annular constriction, in combination with the combustion chamber, to aid in directing partially combusted gases such as carbon monoxide away from the periphery of the combustion chamber back toward its center, and into the flame front. The annular constriction may also impede the flow of partially combusted gases located at the periphery, thus increasing the time these gases spend within the combustion chamber and increasing the likelihood that any products of incomplete combustion will undergo combustion. The combustion chamber may further comprise a dual burner cooktop for directing combustion gases and exhaust to multiple cooking vessels. In further embodiments, the combustion chamber may be made of, lined, or clad with a metal alloy comprising iron, chromium, and aluminum.
    Type: Application
    Filed: April 8, 2010
    Publication date: October 14, 2010
    Inventors: Morgan W. DeFoort, Bryan D. Willson, Nathan Lorenz, Michael P. Brady, Anthony Marchese, Daniel D. Miller-Lionberg