Patents by Inventor Steven C. Castellaw

Steven C. Castellaw 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).

  • Methods of igniting liquid fuel in a turbomachine
    Patent number: 11326521
    Abstract: A method of igniting liquid fuel in a turbomachine combustor is provided. The method includes a step of initiating a flow of gaseous fuel from a gaseous fuel supply to a gaseous fuel nozzle. The method further includes a step of initiating a flow of liquid fuel from a liquid fuel supply to a primary liquid fuel cartridge. After initiating both the flow of gaseous fuel and the flow of liquid fuel, the method includes a step of igniting the flow of gaseous fuel and the flow of liquid fuel with an igniter. The method further includes a step of terminating the flow of gaseous fuel from the gaseous fuel supply to the gaseous fuel nozzle.
    Type: Grant
    Filed: June 30, 2020
    Date of Patent: May 10, 2022
    Assignee: General Electric Company
    Inventors: Steven C. Castellaw, David August Snider, Mark William Pinson, Mark Mitchell, Robert Walter Arnold, Christopher Grant Cooper
  • METHODS OF IGNITING LIQUID FUEL IN A TURBOMACHINE
    Publication number: 20210404392
    Abstract: A method of igniting liquid fuel in a turbomachine combustor is provided. The method includes a step of initiating a flow of gaseous fuel from a gaseous fuel supply to a gaseous fuel nozzle. The method further includes a step of initiating a flow of liquid fuel from a liquid fuel supply to a primary liquid fuel cartridge. After initiating both the flow of gaseous fuel and the flow of liquid fuel, the method includes a step of igniting the flow of gaseous fuel and the flow of liquid fuel with an igniter. The method further includes a step of terminating the flow of gaseous fuel from the gaseous fuel supply to the gaseous fuel nozzle.
    Type: Application
    Filed: June 30, 2020
    Publication date: December 30, 2021
    Inventors: Steven C. Castellaw, David August Snider, Mark William Pinson, Mark Mitchell, Robert Walter Arnold, Christopher Grant Cooper