Ultrasonic sensor for very high temperatures and pressures
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United States of America Patent
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-
Jun 13, 2000
Grant Date -
N/A
app pub date -
Dec 17, 1998
filing date -
Dec 17, 1998
priority date (Note) -
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status (Latency Note)
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Abstract
An ultrasonic sensor includes an ultrasonic transmitter, an ultrasonic receiver and a support structure. First and second elongated tubes are mechanically coupled to and extend from the support structure. A first elongated waveguide is operably coupled to the ultrasonic transmitter and extends through the support structure and a bore in the first tube. The first waveguide is acoustically isolated from the support structure and first tube except at a distal portion of the first waveguide. A second elongated waveguide is operably coupled to the ultrasonic receiver and extends through the support structure and a bore in the second tube. The second waveguide is acoustically isolated from the support structure and the second tube except at a distal portion of the second waveguide. A measurement gap is located between the distal portions of the first and second waveguides.
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