Transducer housing for an ultrasonic fluid meter

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

2008-07-08

2008-07-08

Budd, Mark (Department: 2834)

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

Reexamination Certificate

active

11301136

ABSTRACT:
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.

REFERENCES:
patent: 4297607 (1981-10-01), Lynnworth et al.
patent: 5329821 (1994-07-01), Birnbaum et al.
patent: 6508133 (2003-01-01), Adachi et al.

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