Patents by Inventor August Bryce Ratzlaff

August Bryce Ratzlaff 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).

  • Hot-swappable hybrid APU for aircraft
    Patent number: 10974843
    Abstract: A distributed auxiliary-power-unit (APU) system for an aircraft includes one or more battery modules for storing electrical power, and a plurality of racks distributed throughout the aircraft for receiving the one or more battery modules to electrically connect with an electrical subsystem of the aircraft. A plurality of hot-swappable racks are adapted to receive the battery modules for electrically and communicatively coupling with the electrical subsystem and an integrated controller. A remote interface is communicatively coupled with the integrated controller for receiving user-input to direct electrical power from the battery modules to one or more subsystems of the aircraft. A number of battery modules installed is based on an amount of electrical power planned for a given flight of the aircraft.
    Type: Grant
    Filed: March 21, 2018
    Date of Patent: April 13, 2021
    Assignee: Textron Innovations, Inc.
    Inventors: Vernon Weng-Yew Chang, Charles Bernard Beuning, August Bryce Ratzlaff, David Lee Swartzendruber
  • HOT-SWAPPABLE HYBRID APU FOR AIRCRAFT
    Publication number: 20180273198
    Abstract: A distributed auxiliary-power-unit (APU) system for an aircraft includes one or more battery modules for storing electrical power, and a plurality of racks distributed throughout the aircraft for receiving the one or more battery modules to electrically connect with an electrical subsystem of the aircraft. A plurality of hot-swappable racks are adapted to receive the battery modules for electrically and communicatively coupling with the electrical subsystem and an integrated controller. A remote interface is communicatively coupled with the integrated controller for receiving user-input to direct electrical power from the battery modules to one or more subsystems of the aircraft. A number of battery modules installed is based on an amount of electrical power planned for a given flight of the aircraft.
    Type: Application
    Filed: March 21, 2018
    Publication date: September 27, 2018
    Inventors: Vernon Weng-Yew Chang, Charles Bernard Beuning, August Bryce Ratzlaff, David Lee Swartzendruber