Coaxial flowpath apparatus
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United States of America Patent
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-
Mar 26, 1985
Grant Date -
N/A
app pub date -
Jan 12, 1984
filing date -
Jan 12, 1984
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An apparatus for the ultrasonic measurement of cryogenic or high viscosity fluid flow provides for precooling and symmetrical flow in the measuring run of one of two coaxial inner and outer cylinders. A baffle in one of the cylinders directs fluid flow so as to encircle the measuring path cylinder thereby cooling it and reducing heat loss and flashing against the walls. Symmetrical entry and exit of the fluid flow in and out of the measuring cylinder eliminates the effects of velocity gradients on the ultrasonic measuring signals. Inlet and outlet ports are located perpendicular to the coaxial cylinders allowing a longer measuring run without requiring a similar interruption to the pipe system being monitored.
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