Patents by Inventor Conall Fee

Conall Fee 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).

  • Apparatus and a method of measuring erosion of an edge of a turbomachine aerofoil
    Patent number: 7990547
    Abstract: An apparatus for measuring erosion of an edge of an aerofoil portion of a fan blade includes a laser source to direct light at a position on the edge of the fan blade. A detector detects light reflected from the position on the edge of the fan blade. A computer measures the distance from the laser source to points on the edge of the fan blade to produce a profile of the edge in terms of x and z coordinates. The computer calculates the distances of points on the edge of the fan blade from a centroid of the profile. The computer detects peaks in the distance of points from the centroid of the profile. The computer selects two peaks with the greatest distance therebetween. The computer determines the distance between the two peaks and compares the determined distance and a predetermined distance to determine if there is unacceptable erosion.
    Type: Grant
    Filed: June 16, 2009
    Date of Patent: August 2, 2011
    Assignee: Rolls-Royce plc
    Inventors: Craig Robinson, Conall Fee, Stephen Roche, David Bauer
  • APPARATUS AND A METHOD OF MEASURING EROSION OF AN EDGE OF A TURBOMACHINE AEROFOIL
    Publication number: 20110090514
    Abstract: An apparatus for measuring erosion of an edge of an aerofoil portion of a fan blade includes a laser source to direct light at a position on the edge of the fan blade. A detector detects light reflected from the position on the edge of the fan blade. A computer measures the distance from the laser source to points on the edge of the fan blade to produce a profile of the edge in terms of x and z coordinates. The computer calculates the distances of points on the edge of the fan blade from a centroid of the profile. The computer detects peaks in the distance of points from the centroid of the profile. The computer selects two peaks with the greatest distance therebetween. The computer determines the distance between the two peaks and compares the determined distance and a predetermined distance to determine if there is unacceptable erosion.
    Type: Application
    Filed: June 16, 2009
    Publication date: April 21, 2011
    Applicant: ROLLS-ROYCE PLC
    Inventors: Craig Robinson, Conall Fee, Stephen Roche, David Bauer