Patents by Inventor Richard P. North

Richard P. North 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).

  • 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