Patents by Inventor Marvin A. Kumley

Marvin A. Kumley 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).

  • Transducer thermal protection system
    Patent number: 5046365
    Abstract: The disclosure is directed to a thermal protection systems for protecting instrumentation transducers having a low maximum operating temperature in the range of 200 degree F. to 900 degrees F. when exposed to operating environment greater than 2000 degrees F. The embodiments of the protection system include the use of zinc solid-to-liquid phase change as a heat sink, water-to-steam phase change as a heat sink and thermal electric cooling combined with a multi-foil insulation material.
    Type: Grant
    Filed: July 16, 1990
    Date of Patent: September 10, 1991
    Assignee: General Dynamics Corporation/Space Systems Div
    Inventors: Marvin A. Kumley, Daniel L. Simpson, Kurt W. Swanson, Bryan L. Beck