Patents by Inventor Walter T. Schmidt

Walter T. Schmidt 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).

  • SHUTDOWN METHODS FOR OXYGEN GENERATION SYSTEMS
    Publication number: 20240124994
    Abstract: In accordance with at least one aspect of this disclosure, a method includes flushing a cell stack for a predetermined amount of time as a function of an amount of combustible gas remaining in the cell stack. The method also includes operating a cell stack for a predetermined amount of time, then shutting down the cell stack and ceasing operation of the cell stack for a predetermined amount of time. Flushing occurs after shutting down a cell stack power supply. The method further includes restarting operation of the cell stack after flushing.
    Type: Application
    Filed: October 14, 2022
    Publication date: April 18, 2024
    Applicant: Hamilton Sundstrand Space Systems International, Inc.
    Inventors: Hailing Wu, Luke Blaskewicz, Walter T. Schmidt, Robert J. Roy, Phillip Baker, Galen W. Kulp