Patents by Inventor Christopher J B Barkey

Christopher J B Barkey 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).

  • Gas turbine engine
    Patent number: 8166747
    Abstract: A steam injection gas turbine engine having a once-through steam generator (OTSG). A condenser is provided downstream of the OTSG to capture water and is protected from hot flue gasses during startup by a bypass circuit. Optionally, heating the exhaust downstream of the condenser using coolant taken from an intercooler provides plume suppression.
    Type: Grant
    Filed: March 13, 2007
    Date of Patent: May 1, 2012
    Assignee: Rolls-Royce plc
    Inventors: Mitsuru Obana, Paul Fletcher, Christopher J B Barkey, Torbjorn O Lindquist, Andrew M Rolt
  • Gas turbine engine
    Publication number: 20070214766
    Abstract: A steam injection gas turbine engine having a once-through steam generator (OTSG). A condenser is provided downstream of the OTSG to capture water and is protected from hot flue gasses during startup by a bypass circuit. Optionally, heating the exhaust downstream of the condenser using coolant taken from an intercooler provides plume suppression.
    Type: Application
    Filed: March 13, 2007
    Publication date: September 20, 2007
    Inventors: Mitsuru Obana, Paul Fletcher, Christopher J. B. Barkey, Torbjorn O. Lindquist, Andrew M. Rolt