Patents by Inventor Ian F. Brown

Ian F. Brown 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).

  • Locking assembly for a lightweight gearbox
    Patent number: 11927210
    Abstract: A lock nut and tang washer mechanism preloads and locks components in a rotating environment. A drive system mechanism preloads and locks the device in a rotating environment and provides a double locking safety requirement needed in most aircraft for applications operating in an enclosed environment. The mechanism holds a required torque for the duration of the drive system operating life without the need for periodic visual inspections.
    Type: Grant
    Filed: March 20, 2023
    Date of Patent: March 12, 2024
    Assignee: AVX Aircraft Company
    Inventors: Ian W. Brown, Richard F. Murray
  • Servo systems
    Patent number: RE30564
    Abstract: A servo control system comprising, in a feedback loop, means for providing an error signal representing the difference between desired and actual conditions of a controlled system, and means responsive to said error signal to produce a control signal for the controlled system; the control system also comprising means for injecting a predetermined disturbance signal into the loop, and means responsive to a comparison of said disturbance signal and a loop response signal for varying gain in said loop.
    Type: Grant
    Filed: January 25, 1979
    Date of Patent: March 31, 1981
    Assignee: Ferranti Limited
    Inventors: Ian F. Brown, Colin K. Sharp