Transducer housing for an ultrasonic fluid meter

Details Transducer housing for an ultrasonic fluid meter Transducer housing for an ultrasonic fluid meter

H - Electricity

01

L

H01L 41/053 (2006.01)

Patent

CA 2617625

A transducer housing for an ultrasonic fluid meter. At least some of the illustrative embodiments a transducer housing comprising a housing having a proximal end, a distal end and an internal volume, the housing couples to a spoolpiece of an ultrasonic meter, and an acoustic matching layer that fluidly seals the distal end from the internal volume (wherein the housing accepts a piezoelectric element within the internal volume and proximate to the acoustic matching layer). The acoustic matching layer has an acoustic impedance between that of the piezoelectric element and a fluid within the ultrasonic meter.

La présente invention concerne un logement de transducteur pour débitmètre ultrasonique définissant généralement une extrémité proximale, une extrémité distale, et un volume interne, le logement se montant sur le tube de l'appareil ultrasonique, ainsi qu'une couche d'accord acoustique étanchéifiant fluidiquement l'extrémité distale par rapport au volume interne, le logement accueillant un élément piézo-électrique à l'intérieur du volume interne, à proximité de la couche d'accord acoustique. L'impédance acoustique de cette couche est intermédiaire entre celle de l'élément piézo-électrique et celle d'un fluide à l'intérieur de l'appareil ultrasonique.

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