Patents by Inventor Robert J. IRVING

Robert J. IRVING 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: 11156118
    Abstract: A gas turbine is provided for an aircraft comprising an engine core and a core flow path, a fan, a front drum cavity arranged radially inward of the core flow path, and a front bearing chamber. The front drum cavity comprises a front drum inlet, for providing air to the front drum cavity from the core air flow, located downstream of a stage of the compressor, and a front drum outlet, for ejecting air from the front drum cavity to the fan air flow, located axially between the fan and the compressor. The front drum inlet is through a seal, and the front drum outlet is through a spaced gap.
    Type: Grant
    Filed: July 21, 2020
    Date of Patent: October 26, 2021
    Assignee: ROLLS-ROYCE PLC
    Inventors: Guy D. Snowsill, Robert J. Irving
  • GAS TURBINE ENGINE
    Publication number: 20210054758
    Abstract: A gas turbine is provided for an aircraft comprising an engine core and a core flow path, a fan, a front drum cavity arranged radially inward of the core flow path, and a front bearing chamber. The front drum cavity comprises a front drum inlet, for providing air to the front drum cavity from the core air flow, located downstream of a stage of the compressor, and a front drum outlet, for ejecting air from the front drum cavity to the fan air flow, located axially between the fan and the compressor. The front drum inlet is through a seal, and the front drum outlet is through a spaced gap.
    Type: Application
    Filed: July 21, 2020
    Publication date: February 25, 2021
    Applicant: ROLLS-ROYCE plc
    Inventors: Guy D. SNOWSILL, Robert J. IRVING