Patents by Inventor Cecil James Pollock

Cecil James Pollock 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).

  • Assembly for positioning a rotor retaining ring
    Patent number: 8458895
    Abstract: An assembly for positioning a retaining ring includes a mandrel having an outer diameter smaller than an outer diameter of a rotor. The assembly also includes a seal assembly for sealing a circumferential retaining ring around the mandrel or the rotor, the seal assembly comprising a pair of seal plates situated around opposing ends of the retaining ring. Further, the assembly includes a hydraulic expansion device for providing a fluid pressure for hydraulically expanding the retaining ring until an inner diameter of the retaining ring is greater than the outer diameter of the rotor. Furthermore, the assembly includes a displacement device for providing axial movement of the seal assembly and the retaining ring.
    Type: Grant
    Filed: September 30, 2011
    Date of Patent: June 11, 2013
    Assignee: General Electric Company
    Inventors: Cecil James Pollock, Ronald George Shillington, Ken Ivcar Salas Nobrega, Jeremy Daniel Van Dam
  • ASSEMBLY FOR POSITIONING A ROTOR RETAINING RING
    Publication number: 20130081260
    Abstract: An assembly for positioning a retaining ring includes a mandrel having an outer diameter smaller than an outer diameter of a rotor. The assembly also includes a seal assembly for sealing a circumferential retaining ring around the mandrel or the rotor, the seal assembly comprising a pair of seal plates situated around opposing ends of the retaining ring. Further, the assembly includes a hydraulic expansion device for providing a fluid pressure for hydraulically expanding the retaining ring until an inner diameter of the retaining ring is greater than the outer diameter of the rotor. Furthermore, the assembly includes a displacement device for providing axial movement of the seal assembly and the retaining ring.
    Type: Application
    Filed: September 30, 2011
    Publication date: April 4, 2013
    Applicant: GENERAL ELECTRIC COMPANY
    Inventors: Cecil James Pollock, Ronald George Shillington, Ken Ivcar Salas Nobrega, Jeremy Daniel Van Dam