Patents by Inventor Cyril R. Fletcher

Cyril R. Fletcher 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).

  • Vibration damping arrangement for aircraft
    Patent number: 5203524
    Abstract: An arrangement and method for damping induced fundamental vibrations in an aircraft high lift device (3) are provided. The arrangement includes a wing (2), a high lift device (3) mounted upon and movable along a pre-determined path with respect to the wing between a stowed cruise position and an extended high lift position, a track beam (8) interconnecting the wing and the high lift device (3), and a damping device (15) interconnecting the track beam and said wing and the track beam (8) pivotally connected to the wing (2) and including a trackway (20) for sliding interconnection with the high-lift device (3) such that while the high lift device (15) operates within acceptable vibrational tolerances the damping device is isolated but induced fundamental vibrations will cause angular displacement of the track beam (8) inducing a reactive force in the the damping device (15) to substantially nullify the fundamental vibrations.
    Type: Grant
    Filed: August 1, 1991
    Date of Patent: April 20, 1993
    Assignee: British Aerospace Public Limited Company
    Inventors: Maurice A. Laceby, Cyril R. Fletcher