Patents Assigned to Roll-Royce Deuschland Ltd & Co KG
  • Method for the restoration of damaged areal components
    Patent number: 7449658
    Abstract: Repair of compressor blades (6) of aircraft engines is performed by build-up welding against an essentially horizontal backing (8) whose surface shape is the exact negative of the respective bottom side of the blade to be repaired. With low rework effort, the blades of blisks can, in the installed state, be repaired or fully restored at any point with high quality upon removal of the damaged portion.
    Type: Grant
    Filed: April 6, 2004
    Date of Patent: November 11, 2008
    Assignee: Roll-Royce Deuschland Ltd & Co KG
    Inventor: Rainer Mielke