Method and device for determining parameters of fluctuating flow
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United States of America Patent
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May 6, 2008
Grant Date -
Aug 16, 2007
app pub date -
Feb 10, 2005
filing date -
Feb 10, 2004
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention relates to a method and a device for determining the parameters of a fluctuating flow of a fluid in a pipe, wherein at least three electrodes that are placed at a distance from one another in the direction of flow are provided in the periphery of the flow, wherein alternating voltage signals are fed to a first upstream transmission electrode arrangement and to a second downstream transmission electrode arrangement and the receiving signals generated by the displacement current are detected in a receiving electrode arrangement located between the transmission electrodes and subjected to a time-discrete cross-correlation. The throughput times of the fluctuations detected by the electrodes are determined on the basis of the results.
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