Patents by Inventor Gary SIDEBOTHAM

Gary SIDEBOTHAM 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: 11821335
    Abstract: A blade for use in a gas turbine engine, the blade comprising a blade portion and a fir tree root portion, the blade portion and the root portion having a connected passage for allowing cooling air to flow within the blade, the fir tree root portion having an air intake on its leading edge, the air intake allowing cooling air to enter the cooling passage and wherein the fir tree root portion comprises a plurality of projections, including at least a base projection and a top projection; and wherein the air inlet located in the base projection of the fir tree root portion and wherein the air inlet comprises at least 50% of the face of the base projection of the fir tree root portion.
    Type: Grant
    Filed: August 3, 2022
    Date of Patent: November 21, 2023
    Assignee: ROLLS-ROYCE plc
    Inventors: Gary Sidebotham, John Harris, Chenhui Liu
  • Publication number: 20230051685
    Abstract: A blade for use in a gas turbine engine, the blade comprising a blade portion and a fir tree root portion, the blade portion and the root portion having a connected passage for allowing cooling air to flow within the blade, the fir tree root portion having an air intake on its leading edge, the air intake allowing cooling air to enter the cooling passage and wherein the fir tree root portion comprises a plurality of projections, including at least a base projection and a top projection; and wherein the air inlet located in the base projection of the fir tree root portion and wherein the air inlet comprises at least 50% of the face of the base projection of the fir tree root portion.
    Type: Application
    Filed: August 3, 2022
    Publication date: February 16, 2023
    Applicant: ROLLS-ROYCE plc
    Inventors: Gary SIDEBOTHAM, John HARRIS, Chenhui LIU