Method for measuring flow rate of a continuous fluid flow
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United States of America Patent
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Aug 5, 2003
Grant Date -
Oct 24, 2002
app pub date -
Feb 13, 2001
filing date -
Feb 13, 2001
priority date (Note) -
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Abstract
A method for measuring flow rate of a continuous fluid flow is shown. The method comprises the steps of generating a first signal representing a height of the fluid flow having a known cross-sectional area at the first predetermined location and for generating a second signal at a second predetermined location located in a selected direction and at a known distance from the first predetermined location; generating a third signal representing the conductivity of the fluid; receiving the signals and creating a data stream therefrom; calculating an elapsed time for the fluid flow to traverse the known distance; calculating the average conductivity of the fluid; deriving the cross-sectional area of the selected section and compensating the cross-sectional area for variance in conductivity; calculating the volume of fluid flow; and generating an output signal representing the calculated volume of fluid flow.
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