Replaceable element ultrasonic flowmeter transducer

Electrical generator or motor structure – Non-dynamoelectric – Piezoelectric elements and devices

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73194A, H01L 4110

Patent

active

RE0297852

ABSTRACT:
An electroacoustic ultrasonic transducer is described which is usable under high pressure and high temperature operating conditions, and is readily replaceable. A piezoelectric transducer element is disposed within a metallic housing and coupled to a metallic acoustic window which is exposed to the sensed acoustic medium, with very efficient acoustic coupling between the piezoelectric element, the acoustic window, and a damping block disposed behind the piezoelectric element.

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patent: 3798473 (1974-03-01), Muryama et al.
patent: 3890423 (1975-06-01), Zacharias, Jr.
patent: 3935484 (1976-01-01), Leschek

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