Liquid level indicator

Details Liquid level indicator Liquid level indicator

1985-04-15

1987-03-17

Frankfort, Charles

Measuring and testing

Liquid level or depth gauge

7386463, 116227, G01F 2300

Patent

active

046497463

ABSTRACT:
A liquid level indicator for use in monitoring the level of fluid in a reservoir remote from the user is disclosed. The indicator includes a receiving tube adapted to receive a quantity of fluid having an elevation reflective of the oil in the reservoir. The fluid is then confined by a reciprocating closure tube. A piston member is then depressed into the confined oil pressurizing that oil until an equilibrium position is obtained. The piston head is held in a constant spaced relationship with an indication element which is remote from the fluid reservoir. The amount of displacement of the piston head within the receiving tube is reflected by reference indicia carried by the indication element to indicate the level of fluid within the reservoir.

REFERENCES:
patent: 1526376 (1925-02-01), Rosenmund
patent: 2539604 (1951-01-01), Woolley
patent: 3311984 (1967-04-01), Stux et al.

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