TRANSDUCTEUR A BILAMES PIEZOLECTRIQUES

TRANSDUCTEUR A BILAMES PIEZOLECTRIQUES

The transducer includes two piezoelectric elements (3,5) each consisting of two polarised piezoelectric blades (3a,3b) (5a,5b), and the two elements are mounted in parallel between a fixed armature (1) and a floating armature (2). The fixed armature is attached to the transducer and the floating arm...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: ROCHE DENIS, EYRAUD LUCIEN, AUDOLY CHRISTIAN, RICHARD CLAUDE
Format: Patent
Sprache:fre
Schlagworte:
ELECTRICITY
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
TESTING
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Beschreibung
Zusammenfassung:The transducer includes two piezoelectric elements (3,5) each consisting of two polarised piezoelectric blades (3a,3b) (5a,5b), and the two elements are mounted in parallel between a fixed armature (1) and a floating armature (2). The fixed armature is attached to the transducer and the floating armature is exposed to the force being measured. Each piezoelectric element is embedded at it's ends into grooves in the armatures using polymeric resin coatings. The armatures are parallel to the shear stress being measured and the piezoelectric elements deform by double flexure to produce very large electric charges for measurement.