Measuring and testing – Volume or rate of flow – System
Patent
1976-09-17
1977-09-20
Goldstein, Herbert
Measuring and testing
Volume or rate of flow
System
73 611R, 23515135, G01F 132
Patent
active
040488543
ABSTRACT:
A system for metering a fluid stream constituted by a mixture of oil and water to determine the volumetric ratio of oil-to-water in the stream. The system includes a vortex meter through which the stream is conducted to produce a meter signal whose frequency depends on the volumetric flow and whose amplitude depends on the mass flow of the stream. Derived from the meter signal is a volumetric signal that is solely a function of frequency and a mass flow signal that is solely a function of amplitude, the volumetric signal being divided by the mass flow signal to produce a density signal. The volumetric and density signals are fed to a computer to which is also applied a temperature signal that depends on the temperature of the metered stream. The computer has stored therein the relationship between water density and temperature and that between oil density and temperature, and it functions in response to the signals applied thereto to determine the respective volumes of oil and water in the mixture.
REFERENCES:
patent: 3719073 (1973-03-01), Mahon
patent: 3776033 (1973-12-01), Herzl
patent: 3906198 (1975-09-01), November
patent: 3992939 (1976-11-01), November
Fischer & Porter Co.
Goldstein Herbert
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