Patents by Inventor Sean Alan Walters

Sean Alan Walters 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).

  • SEAL ARRANGEMENT
    Publication number: 20160258310
    Abstract: A turbine secondary air system seal arrangement (62). The arrangement comprises a first seal land (70) facing radially inwardly; a second seal land (80) facing radially outwardly; and first labyrinth seal teeth (76) directed radially outwardly to seal against the first seal land (70). Also second labyrinth seal teeth (78) directed radially inwardly to seal against the second seal land (80). The first seal land (70) is configured to move radially relative to the second seal land (80) or the first seal teeth (76) are configured to move radially relatively to the second seal teeth (78) to accommodate differential movement of the lands (70, 80) and teeth (76, 78) during use of the seal arrangement (62).
    Type: Application
    Filed: February 18, 2016
    Publication date: September 8, 2016
    Applicant: ROLLS-ROYCE PLC
    Inventors: Lynne Helen TURNER, Alan Robert MAGUIRE, Sean Alan WALTERS, Matthew Kieran DUNK
  • Airfoil for a first stage nozzle guide vane
    Patent number: 7618240
    Abstract: The present invention provides an airfoil for a first stage nozzle guide vane having an external surface with first and second sides. The external surface extends spanwise between a hub and a tip and streamwise between a leading edge and a trailing edge of the airfoil. The external surface includes a contour substantially defined by Table 1 as listed in the specification.
    Type: Grant
    Filed: December 22, 2006
    Date of Patent: November 17, 2009
    Assignee: Rolls-Royce Power Engineering plc
    Inventors: Ivor Saltman, Sean Alan Walters, Andrew Thomas Napper
  • Airfoil for a first stage nozzle guide vane
    Publication number: 20070154318
    Abstract: The present invention provides an airfoil for a first stage nozzle guide vane having an external surface with first and second sides. The external surface extends spanwise between a hub and a tip and streamwise between a leading edge and a trailing edge of the airfoil. The external surface includes a contour substantially defined by Table 1 as listed in the specification.
    Type: Application
    Filed: December 22, 2006
    Publication date: July 5, 2007
    Inventors: Ivor Saltman, Sean Alan Walters, Andrew Thomas Napper