Patents by Inventor Duncan Ross Wright

Duncan Ross Wright 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: 8146457
    Abstract: An apparatus for damping torsional vibration in a shaft, having a plurality of retainer pockets spaced from each other in the direction of the shaft's axis of rotation and connected for contemporaneous rotation with the shaft, and a plurality of disks each disposed within one of the retainer pockets, each retainer pocket having a circular track wall, each disk being free to shift perpendicular to the shaft's axis of rotation to engage and move along the circular track wall in response to the vibration, wherein each circular retainer pocket has a center that is at a predetermined radial offset distance relative to the shaft's axis of rotation and the respective radial offsets are angularly spaced from each other about the shaft's axis of rotation.
    Type: Grant
    Filed: January 24, 2008
    Date of Patent: April 3, 2012
    Assignee: Chrysler Group LLC
    Inventor: Duncan Ross Wright
  • Publication number: 20090188463
    Abstract: An apparatus for damping torsional vibration in a shaft, having a plurality of retainer pockets spaced from each other in the direction of the shaft's axis of rotation and connected for contemporaneous rotation with the shaft, and a plurality of disks each disposed within one of the retainer pockets, each retainer pocket having a circular track wall, each disk being free to shift perpendicular to the shaft's axis of rotation to engage and move along the circular track wall in response to the vibration, wherein each circular retainer pocket has a center that is at a predetermined radial offset distance relative to the shaft's axis of rotation and the respective radial offsets are angularly spaced from each other about the shaft's axis of rotation.
    Type: Application
    Filed: January 24, 2008
    Publication date: July 30, 2009
    Inventor: Duncan Ross Wright