Patent ID: 9693021
Date: 2017-06-27
CPC Classifications: F01D,F05D,G01N,G02B,H04N

Claim:
1. A device for searching for defects on parts that are masked and accessible via a passage that is not rectilinear inside a turbine engine, or on an airplane turboprop or turbojet, the device comprising: a tubular sheath; a duct housed inside the sheath; light-guide means for guiding light; image-transmission means for transmitting images housed in the sheath to illuminate and observe a part for inspection; an examination head at a distal end of the sheath, the head including illumination means and image-taking means connected to the light-guide means and to the image-transmission means housed in the sheath; means for spraying a succession of penetrant test materials on the part for inspection, comprising a capillary slidably guided inside the duct housed inside the sheath; and means for adjusting an orientation of the examination head at the distal end of the sheath, wherein the sheath is of circular section with a diameter lying in a range of 6 mm to 10 mm, and the duct for passing the capillary has a diameter of 1.2 mm, the capillary having a diameter of 0.8 mm.