Patents by Inventor Andrew Charles Graham

Andrew Charles Graham 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).

  • Steam injected gas turbine engine
    Patent number: 8813473
    Abstract: A gas turbine engine has in flow series: a compressor section, a combustion chamber, and a turbine section. The engine further has a steam generator. The combustion chamber has a steam reservoir located at the upstream end thereof. The steam reservoir receives steam from the steam generator, and delivers the received steam into a combustion zone of the combustion chamber.
    Type: Grant
    Filed: August 17, 2012
    Date of Patent: August 26, 2014
    Assignee: Rolls-Royce PLC
    Inventors: Paul Fletcher, Andrew Charles Graham, John Moran, Christopher Neeson