System for measuring water level in gasoline tank

Details System for measuring water level in gasoline tank System for measuring water level in gasoline tank

1977-04-01

1978-04-18

Queisser, Richard C.

Measuring and testing

Liquid level or depth gauge

Hydrostatic pressure type

G01F 2314

Patent

active

040844358

ABSTRACT:
A system for measuring the water level, within a predetermined range, at the bottom of a tank containing gasoline. A first air bell is adapted to be inserted into said tank and has an opening in the lower part thereof to define a first interface. A second air bell is disposed interiorly of the first air bell and has an opening in the lower part thereof to define a second interface which is lower than the first interface. The upper ends of the air bells are in communication, respectively, with opposite legs of a manometer so as to produce a displacement of manometer liquid as a function of the difference of hydrostatic pressure between said interfaces whereby said displacement is a function of the water level therebetween, there being minimum displacement when the water level is at said second interface and maximum displacement when the water level is at said first interface.

REFERENCES:
patent: 2121743 (1938-06-01), Oyen
patent: 2613535 (1952-10-01), Born
patent: 2625042 (1953-01-01), Binford
patent: 2628500 (1953-02-01), Johnson
patent: 3161052 (1964-12-01), Harley

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