165160 ⎘
Measuring the volume flow of fluids or fluent solid material wherein the fluid passes through the meter in successive and more or less isolated quantities, the meter being driven by the flow with measuring chambers which expand or contract during measurement having flexible movable walls, e.g. diaphragms, bellows for gases characterised by the means for transfer of membrane movement information to indicating means
Sub-classes:Fluid control system
#2Volume fill airflow measurement
#3AN APPARATUS AND A METHOD FOR DETERMINING A MEASUREMENT ERROR OF A DISPLACEMENT VOLUMETRIC METER, A METER MONITORING DEVICE, AND A METER MEASUREMENT ERROR DETERMINING DEVICE
#4METHOD AND APPARATUS FOR DETERMINING THE MASS OF A FLUID FLOWING THROUGH A FLOW RATE METER IN A CONSUMPTION TIME INTERVAL
#5Flow meters, flow meter cartridges, and related methods
#6ELECTRICAL GAS METER AND APPARATUS AND METHOD FOR REMOTELY TRANSMITTING GAS USAGE
#7Tracking and controlling fluid delivery from chamber
#8Remote shut-off gas meter
#9Flow rate measuring device