Gas flow metering

Details Gas flow metering Gas flow metering

1978-04-05

1984-11-27

Yasich, Daniel M.

Measuring and testing

Volume or rate of flow

Using differential pressure

73730, 361285, G01L 912, G01F 138

Patent

active

044844794

ABSTRACT:
Gas flow metering using a capacitance measurement and comprising a taut elastomeric membrane, preferably tubular in form, which expands or contracts as a function of flow rate past it to an extent determined by Bernouilli's principle. The thus changing distance between this membrane and one or more external electrodes measured by capacitance change or other means is correlatable with the instantaneous flow rate and such measurement can be made essentially without regard to entrained solids or liquids in the gas flow, phase and temperature changes (moderate) within the gas flow or mixture or changing composition therein and with rapid response and low back pressure.

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