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Fuji Electric Co Ltd
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Fuji Electric Co Ltd
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Publication of DE3231439A1publicationCriticalpatent/DE3231439A1/de
G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
G01F1/66—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters
G01F1/667—Arrangements of transducers for ultrasonic flowmeters; Circuits for operating ultrasonic flowmeters
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Physics & Mathematics
(AREA)
Electromagnetism
(AREA)
Fluid Mechanics
(AREA)
General Physics & Mathematics
(AREA)
Measuring Volume Flow
(AREA)
DE198232314391981-08-211982-08-20Durchflussmesseinrichtung nach dem ultraschallprinzip
WithdrawnDE3231439A1
(de)