Patents by Inventor Christopher S. Parkin

Christopher S. Parkin 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).

  • Fuel and air mixing parts for a turbine combustion chamber
    Patent number: 5590530
    Abstract: An annular combustion chamber for a gas turbine engine is provided with a plurality of fuel injection nozzles at its upstream end to direct swirled flows of fuel and air into the chamber. Ports in the combustion chamber walls direct air into the combustion chamber to oppose the swirling fuel and air flows from the fuel injection nozzles to achieve better fuel and air mixing.
    Type: Grant
    Filed: March 14, 1995
    Date of Patent: January 7, 1997
    Assignee: Rolls-Royce plc
    Inventors: Ashley J. Owen, Michael L. Carlisle, Christopher S. Parkin
  • Gas turbine engine combustor
    Patent number: 5398509
    Abstract: A gas turbine engine combustor comprises a combustion chamber the walls of which have a plurality of holes extending therethrough for the flow of cooling air into the interior of the chamber. The holes are so configured and arranged that cooling air is exhausted from them in a flow direction which is normal or oblique to the general direction of gas flow through the chamber and oblique to the portion of the chamber wall local thereto.
    Type: Grant
    Filed: August 29, 1994
    Date of Patent: March 21, 1995
    Assignee: Rolls-Royce, PLC
    Inventors: Richard P. North, Christopher P. Madden, Christopher S. Parkin