G - Physics – 01 – N
Patent
G - Physics
01
N
G01N 27/90 (2006.01)
Patent
CA 2725797
The invention relates to a probe (6) for controlling the surface of a circumferential recess (2) formed in a disc (1) of a turbojet engine using Foucault currents. The probe includes a rod (7) attached to a bearing (8), a first multiple-element sensor (9) following the movements of the rod (7) and which is to be inserted into said circumferential recess (2) for carrying out the control, and a second multiple-element sensor (9). The two multiple-element sensors (9) are arranged back-to-back and the rod (7) of the probe (6) is mounted so as to pivot about the axis thereof for inserting the two multiple-element sensors (9) into said recess (2).
L'invention concerne une sonde (6) destinée au contrôle par courants de Foucault de la surface d'une alvéole circonférentielle (2) formée dans un disque (1) de turboréacteur. La sonde comporte une tige (7) fixée à un support (8), un premier capteur multiélément (9) solidaire des déplacements de la tige (7) et destiné à être introduit dans ladite alvéole circonférentielle (2) pour réaliser le contrôle, et un second capteur multiélément (9). Les deux capteurs multiéléments (9) sont disposés dos- à-dos et la tige (7) de la sonde (6) est montée pivotante autour de son axe pour l'introduction des deux capteurs multiéléments (9) dans ladite alvéole (2).
Cabanis Patrick
Cheynet Sandra
Gaisnon Patrick
Ravize Luc
Goudreau Gage Dubuc
Snecma
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