Illumination system for measurement system

Details Illumination system for measurement system Illumination system for measurement system

G - Physics

01

B

G01B 11/28 (2006.01) F01D 25/00 (2006.01) G01M 15/00 (2006.01)

Patent

CA 2584501

An improved method and device (20) for reflectively measuring a subject such as a throat area (10) in a vane ring (8) for a gas turbine engine uses improved lighting arrangements (30) to improve the quality of reflection to thereby reduce problems associated with poor quality reflection which may adversely affect the image processing and thus reduce the accuracy of measurement.

L'invention concerne un procédé et un dispositif améliorés (20) permettant de mesurer par réflexion un élément tel qu'une zone gorge (10) dans une grille d'aubes directrices (8) de turbine à gaz. Ces procédé et dispositif mettent en oeuvre des agencements d'éclairage améliorés (30), destinés à améliorer la qualité de la réflexion, ce qui permet d'atténuer les problèmes liés à une mauvaise qualité de réflexion qui peut affecter le traitement d'image et donc réduire la précision de la mesure.

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