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Apparatus and methods for repairing compressor airfoils in situ

  • US 7,032,279 B2
  • Filed: 10/18/2002
  • Issued: 04/25/2006
  • Est. Priority Date: 10/18/2002
  • Status: Expired due to Fees
First Claim
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1. Apparatus for in situ repair of airfoils of a compressor, comprising:

  • a manipulator for mounting to an inlet of the compressor and for movement in a generally circumferential direction about an axis;

    a tool carried by said manipulator for movement therewith and relative thereto about three orthogonally related axes, said tool being movable into the inlet of the compressor to a position in contact with a selected airfoil;

    a drive system for driving said tool into contact with the selected airfoil; and

    a system for controlling the drive system to position the tool in contact with the selected airfoil for repairing the selected airfoil;

    said drive system including a servo-motor coupled to a lead screw for driving said tool into contact with the selected airfoil.

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