AC Supply Fluid Meter

Abstract: a fluid meter including an electric generator, a metrological sensor, a control block, a power supply block coupled to the electric generator, and configured to supply energy to the control block, in which the power supply block includes a first supply path includes at least one primary cell, and a second supply path connected to the electric generator, including a capacitor and a first switch configured to selectively couple the capacitor and the electric generator, the power supply block including a second switch configured to selectively couple the first supply path or the second supply path to the control block, the power supply block further including a current sensor determining a current measurement, the first switch and the second switch being monitored according to a state of charge of the capacitor determined from the current measurement.

Inventor(s): Henri Teboulle

CPC Classification: G01F15/06 (MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME)

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