Patents by Inventor Charles D. MacArthur

Charles D. MacArthur 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).

  • Turbine blade cooling with endothermic fuel
    Patent number: 5125793
    Abstract: Structure and method for cooling hollow turbine rotor blades of a gas turbine engine utilizing vaporization and decomposition of an endothermic fuel are described which comprise a source of liquid endothermic fuel operatively connected to the blade, a passage for conducting the fuel through the blade and a layer of catalyst on the internal surfaces of the blade for promoting decomposition of the fuel.
    Type: Grant
    Filed: July 8, 1991
    Date of Patent: June 30, 1992
    Assignee: The United States of America as Represented by the Secretary of the Air Force
    Inventors: Charles D. MacArthur, Richard E. Quigley, Jr.
  • Optical heat flux gauge
    Patent number: 5044765
    Abstract: A heat flux gauge comprising first and second thermographic phosphor layers separated by a layer of a thermal insulator. The gauge may be mounted on a surface with the first thermographic phosphor in contact with the surface. A light source is directed at the gauge, causing the phosphors to luminesce. The luminescence produced by the phosphors is collected and its spectra analyzed in order to determine the heat flux on the surface. First and second phosphor layers must be different materials to assure that the spectral lines collected will be distinguishable.
    Type: Grant
    Filed: August 24, 1990
    Date of Patent: September 3, 1991
    Assignee: United States Department of Energy and United States Department of Air Force
    Inventors: Bruce W. Noel, Henry M. Borella, Michael R. Cates, W. Dale Turley, Charles D. MaCarthur, Gregory C. Cala
  • Optical heat flux gauge
    Patent number: 5026170
    Abstract: A heat flux gauge comprising first and second thermographic phosphor layers separated by a layer of a thermal insulator wherein each thermographic layer comprises a plurality of respective thermographic phosphors. The gauge may be mounted on a surface with the first thermographic phosphor in contact with the surface. A light source is directed at the gauge, causing the phosphors to luminesce. The luminescence produced by the phosphors is collected and its spectra analyzed in order to determine the heat flux on the surface. First and second phosphor layers must be different materials to assure that the spectral lines collected will be distinguishable.
    Type: Grant
    Filed: June 7, 1989
    Date of Patent: June 25, 1991
    Assignees: The United States of America as represented by the United States Department of Energy, The United States of America as represented by the Secretary of the Air Force
    Inventors: Bruce W. Noel, Henry M. Borella, Michael R. Cates, W. Dale Turley, Charles D. MacArthur, Gregory C. Cala
  • Optical heat flux gauge
    Patent number: 5005984
    Abstract: A heat flux gauge comprising first and second thermographic phosphor layers separated by a layer of a thermal insulator, wherein each thermographic layer comprises a plurality of respective thermographic sensors in a juxtaposed relationship with respect to each other. The gauge may be mounted on a surface with the first thermographic phosphor in contact with the surface. A light source is directed at the gauge, causing the phosphors to luminesce. The luminescence produced by the phosphors is collected and its spectra analyzed in order to determine the heat flux on the surface. First and second phosphor layers must be different materials to assure that the spectral lines collected will be distinguishable.
    Type: Grant
    Filed: August 24, 1990
    Date of Patent: April 9, 1991
    Assignee: The United States of America as represented by the United States Department of Energy
    Inventors: Bruce W. Noel, Henry M. Borella, Michael R. Cates, W. Dale Turley, Charles D. MacArthur, Gregory C. Cala