Liquid level indicator for pressurized liquid container

Details Liquid level indicator for pressurized liquid container Liquid level indicator for pressurized liquid container

1975-08-20

1976-05-18

Gill, James J.

Measuring and testing

Liquid level or depth gauge

Sight glass

222155, G01F 2302

Patent

active

039569349

ABSTRACT:
A liquid level indicator for a container such as a beer keg or the like in which a supply of liquid is maintained under pressure from an associated source of pressurized gas and having an outlet arranged to be connected to a dispensing conduit for conducting the liquid from the container to the point of use at a remote location, which includes a gauge tube of transparent material having a check valve therein, the upper end of the gauge tube and the container communicating with the associated source of pressurized gas for normally maintaining the check valve in the closed condition and for pressurizing the liquid in the container, the lower end of the gauge tube communicating with the dispensing conduit to thereby establish liquid communication between the container and the gauge tube so that the level of liquid in the gauge tube continously corresponds to the level of liquid in the container while the check valve in the gauge tube maintains liquid in the gauge tube during the dispensing of the liquid from the container through the dispensing conduit.

REFERENCES:
patent: 270416 (1883-01-01), Gnadinger, Jr.
patent: 1075025 (1913-10-01), Drautzburg
patent: 1078325 (1913-11-01), Vickrey
patent: 1089188 (1914-03-01), Carew
patent: 1156998 (1915-10-01), Heberling
patent: 3212335 (1965-10-01), Guiffre
patent: 3311267 (1967-03-01), Lee et al.

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