Patents by Inventor Roy John HARRON

Roy John HARRON 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: 9683581
    Abstract: A stator assembly for a rotary machine having a rotor arranged to rotate about an axis in use. The stator assembly has a circumferential support member or casing arranged about said axis and a plurality of elements extending in a substantially radial direction from the support. The elements have a platform at an end thereof for engagement within the support, wherein the elements each comprise a hollow internal cavity having an opening through the platform at the end of the element, wherein said internal cavity is filled with a vibration damping material. The elements may be filled vanes in a gas turbine engine compressor. The platforms may also be filled with the vibration damping material.
    Type: Grant
    Filed: August 22, 2013
    Date of Patent: June 20, 2017
    Assignee: ROLLS-ROYCE plc
    Inventors: Roy John Harron, James Charles Pearce
  • Publication number: 20140072407
    Abstract: A stator assembly for a rotary machine having a rotor arranged to rotate about an axis in use. The stator assembly has a circumferential support member or casing arranged about said axis and a plurality of elements extending in a substantially radial direction from the support. The elements have a platform at an end thereof for engagement within the support, wherein the elements each comprise a hollow internal cavity having an opening through the platform at the end of the element, wherein said internal cavity is filled with a vibration damping material. The elements may be filled vanes in a gas turbine engine compressor. The platforms may also be filled with the vibration damping material.
    Type: Application
    Filed: August 22, 2013
    Publication date: March 13, 2014
    Applicant: ROLLS-ROYCE PLC
    Inventors: Roy John HARRON, James Charles PEARCE