Measuring and testing – Volume or rate of flow – Of selected fluid mixture component
Patent
1997-01-16
1998-04-21
Chilcot, Richard
Measuring and testing
Volume or rate of flow
Of selected fluid mixture component
G01F 174
Patent
active
057419809
ABSTRACT:
A non-invasive flow analysis system and method wherein a sensor, such as an acoustic sensor, is coupled to a conduit for transmitting a signal which varies depending on the characteristics of the flow in the conduit. The signal is amplified and there is a filter, responsive to the sensor signal, and tuned to pass a narrow band of frequencies proximate the resonant frequency of the sensor. A demodulator generates an amplitude envelope of the filtered signal and a number of flow indicator quantities are calculated based on variations in amplitude of the amplitude envelope. A neural network, or its equivalent, is then used to determine the flow rate of the flow in the conduit based on the flow indicator quantities.
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Barck Bruce N.
Hill Wayne S.
Artis Jewel
Chilcot Richard
Foster-Miller Inc.
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