Tank gauging apparatus and method

Details Tank gauging apparatus and method Tank gauging apparatus and method

1989-08-18

1990-09-18

Raevis, Robert

Measuring and testing

Volumetric content measuring

G01F 1700

Patent

active

049569961

ABSTRACT:
Apparatus for gauging the amount of liquid in a container of liquid and gas under low or zero gravity net conditions includes an accumulator and appropriate connector apparatus for communicating gas between the accumulator and the container. In one form of the invention, gas is removed from the container and compressed into the accumulator. The pressure and temperature of the fluid in the container is measured before and after removal of the gas; the pressure and temperature of gas in the accumulator is measured before and after compression of the gas into the accumulator from the container. These pressure and temperature measurements are used in determining the volume of gas in the container, whereby the volume of liquid in the container can be determined from the difference between the known volume of the container and the volume of gas in the container. Gas from the accumulator may be communicated into the container in a similar process as a verification of the gauging of the liquid volume, or as an independent process for determining the volume of liquid in the container.

REFERENCES:
patent: 3234785 (1966-02-01), Rimsha
patent: 3237451 (1966-03-01), Haeff
patent: 3357245 (1967-12-01), Wolfrum
patent: 3411351 (1968-11-01), Schwartz
patent: 3486374 (1969-12-01), Wright
patent: 3624828 (1971-11-01), Edwards
patent: 3745338 (1973-07-01), Joyce

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