Fluid capacitance sensing means and method

Details Fluid capacitance sensing means and method Fluid capacitance sensing means and method

1988-11-03

1990-01-16

Eisenzopf, Reinhard J.

Electricity: measuring and testing

Impedance, admittance or other quantities representative of...

Lumped type parameters

340620, 324448, G01R 2726

Patent

active

048946044

ABSTRACT:
A fluid capacitance sensor includes a device, receiving a stream of fluid, which converts the fluid flow to annular fluid flow. A capacitance sensing network has an internal capacitance substantially greater than the capacitance of the fluid. The capacitance sensing network measures the capacitance of the annular flowing fluid and provides a signal corresponding to the sensed capacitance of the fluid.

REFERENCES:
patent: 2913893 (1959-11-01), Mathews
patent: 3916300 (1975-10-01), Chisdes
patent: 4044607 (1977-08-01), Deal
patent: 4068162 (1978-01-01), Robinson
patent: 4392110 (1983-07-01), Elmenshawy
patent: 4728882 (1988-03-01), Stanbro
patent: 4782282 (1988-11-01), Bachman

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