Patents by Inventor Tim O'HANRAHAN

Tim O'HANRAHAN 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).

  • Casing
    Patent number: 11525407
    Abstract: A gas turbine engine comprising a planetary gear train, and a core engine casing. The gear train has a ratio of greater than approximately 3.0, with an input to the gear train being operatively connected to the compressor section, and an output from the gear train being operatively connected to the fan. The core engine casing encloses the compressor section and the turbine section. The fan has a diameter F, and the core engine casing has a diameter C. The core engine casing diameter C varies along an axial length of the core engine casing, and a ratio (C/F) of the core engine casing diameter C to the fan diameter F is within the range 0.2<(C/F)<0.4, along an axial length of the core engine casing.
    Type: Grant
    Filed: April 20, 2021
    Date of Patent: December 13, 2022
    Assignee: ROLLS-ROYCE PLC
    Inventors: Richard G. Stretton, Tim O'Hanrahan
  • Casing
    Patent number: 11156167
    Abstract: A gas turbine engine comprising a planetary gear train, and a core engine casing. The gear train has a ratio of greater than approximately 3.0, with an input to the gear train being operatively connected to the compressor section, and an output from the gear train being operatively connected to the fan. The core engine casing encloses the compressor section and the turbine section. The fan has a diameter F, and the core engine casing has a diameter C. The core engine casing diameter C varies along an axial length of the core engine casing, and a ratio (C/F) of the core engine casing diameter C to the fan diameter F is within the range 0.2<(C/F)<0.4, along an axial length of the core engine casing.
    Type: Grant
    Filed: March 13, 2019
    Date of Patent: October 26, 2021
    Assignee: ROLLS-ROYCE PLC
    Inventors: Richard G. Stretton, Tim O'Hanrahan
  • CASING
    Publication number: 20210239051
    Abstract: A gas turbine engine comprising a planetary gear train, and a core engine casing. The gear train has a ratio of greater than approximately 3.0, with an input to the gear train being operatively connected to the compressor section, and an output from the gear train being operatively connected to the fan. The core engine casing encloses the compressor section and the turbine section. The fan has a diameter F, and the core engine casing has a diameter C. The core engine casing diameter C varies along an axial length of the core engine casing, and a ratio (C/F) of the core engine casing diameter C to the fan diameter F is within the range 0.2<(C/F)<0.4, along an axial length of the core engine casing.
    Type: Application
    Filed: April 20, 2021
    Publication date: August 5, 2021
    Applicant: ROLLS-ROYCE plc
    Inventors: Richard G. STRETTON, Tim O'HANRAHAN
  • CASING
    Publication number: 20190309688
    Abstract: A gas turbine engine comprising a planetary gear train, and a core engine casing. The gear train has a ratio of greater than approximately 3.0, with an input to the gear train being operatively connected to the compressor section, and an output from the gear train being operatively connected to the fan. The core engine casing encloses the compressor section and the turbine section. The fan has a diameter F, and the core engine casing has a diameter C. The core engine casing diameter C varies along an axial length of the core engine casing, and a ratio (C/F) of the core engine casing diameter C to the fan diameter F is within the range 0.2<(C/F)<0.4, along an axial length of the core engine casing.
    Type: Application
    Filed: March 13, 2019
    Publication date: October 10, 2019
    Applicant: ROLLS-ROYCE plc
    Inventors: Richard G. STRETTON, Tim O'HANRAHAN