G - Physics – 01 – L
Patent
G - Physics
01
L
G01L 1/22 (2006.01) G01L 5/00 (2006.01)
Patent
CA 2499565
A transducer (100) for detecting a shaft dynamic behavior. The transducer comprises an arcuate sensor member (102) supported between an inner member (101) and an outer member (103). At least one strain gage is attached to a surface of the arcuate sensor member (102) to detect a surface strain caused by a shaft dynamic behavior. The inner member, outer member and arcuate sensor member are substantially coplanar. The inner member comprises a means for attaching the transducer to a mounting surface. The inner member may also comprise a self-aligning feature to optimize a sensor sensitivity.
L'invention concerne un transducteur (100) permettant de détecter un comportement dynamique d'un arbre. Le transducteur comprend un élément de détection arqué (102) supporté entre un élément interne (101) et un élément externe (103). Au moins un extensomètre est fixé sur une surface de l'élément de détection arqué (102), de manière à détecter une contrainte de la surface engendrée par un comportement dynamique de l'arbre. L'élément interne, l'élément externe et l'élément de détection arqué sont sensiblement coplanaires. L'élément interne comprend des moyens permettant de fixer le transducteur sur une surface de montage. L'élément interne peut également comprendre une caractéristique d'auto-alignement permettant d'optimiser la sensibilité du détecteur.
Ali Imtiaz
Liu Keming
Yuan Jing
Fetherstonhaugh & Co.
The Gates Corporation
LandOfFree
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