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Data acquisition devices, systems and method for analyzing passive strain indicators and monitoring turbine component strain

  • US 10,132,615 B2
  • Filed: 01/16/2018
  • Issued: 11/20/2018
  • Est. Priority Date: 12/20/2016
  • Status: Active Grant
First Claim
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1. A system for monitoring turbine component deformation, the turbine component having an exterior surface, the system comprising:

  • a passive strain indicator configurable on the exterior surface of the turbine component; and

    a data acquisition device for analyzing the passive strain indicator, the data acquisition device comprising;

    a lens assembly;

    an image capture device in communication with the lens assembly for receiving and processing light from the lens assembly to generate images;

    a light source;

    a light tube coupled at a rear end to the light source and extending along a longitudinal axis between a front end and the rear end, the light tube operable to transport light from the light source therethrough and emit the light from the front end;

    an actuator operable to activate the image capture device and the light source;

    a shell, the shell surrounding the lens assembly, the image capture device, the light source, and the light tube; and

    a plurality of spacers disposed proximate the front end of the light tube, each of the plurality of spacers extending from the shell and sized to space the front end of the light tube from the exterior surface of the turbine component when the data acquisition device is in an operative position in contact with the exterior surface of the turbine component.

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