Fluid mass flow meters
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United States of America Patent
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Oct 17, 1995
Grant Date -
N/A
app pub date -
Jul 15, 1993
filing date -
Jul 15, 1992
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A fluid mass flow meter comprises a swirl generator 16 followed by a convergent nozzle 20 which produce a strongly swirling flow with periodic pressure fluctuations. The flow is subjected to a Coriolis force in a divergent nozzle 26. The pressure fluctuations are sensed by axially-spaced pressure-collecting pipes 32, 32', and a phase shift in the pressure fluctuations between the two pipes due to the Coriolis force is a measure of mass flow.
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Cited Art Landscape
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