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Internal inspection of machinery by stitched surface imaging

  • US 9,599,537 B2
  • Filed: 10/29/2014
  • Issued: 03/21/2017
  • Est. Priority Date: 08/21/2013
  • Status: Active Grant
First Claim
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1. A method of inspecting an interior surface of a component of a gas turbine engine comprising:

  • inserting a scope into an inner portion of the component without removing the component from the engine;

    obtaining a first set of circumferential photographs around a circumference of the interior surface at a given axial reference position therein with a camera on a distal end of the scope; and

    digitally stitching the first set of photographs to form a stitched view of the interior surface at the given axial reference position.

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