Measuring and testing – Volume or rate of flow – Using rotating member with particular electrical output or...
In the disclosed apparatus, flow of fluid in a pipe is sensed by directing acoustic signals at a fluid-metering rotor in the pipe. One or more transducers are used for emitting an acoustic signal and receiving acoustic reflections. A flow-representing signal is derived that varies with the attitude of the rotor in relation to the transducer(s).
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Carlson David V.
Levy Stuart S.
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