Measuring and testing – Liquid level or depth gauge – Float
Patent
1990-09-04
1991-06-04
Cuchlinski, Jr., William A.
Measuring and testing
Liquid level or depth gauge
Float
73322, 73DIG5, G01F 2362, G01F 2356
Patent
active
050203673
ABSTRACT:
The tank-level gauge comprises an outer tube sealed at its lower end and adapted for attachment to the top wall of a tank. The gauge also comprises two telescoping rods axially movable within the outer tube. A float encircles the outer tube. Magnets respectively attach to the float and to the lower end of the inner gauge rod, whereby a rising level causes such inner rod to rise as well. When the liquid level reaches a predetermined level, the inner gauging rod becomes disconnected and a magnet on the outer gauging rod becomes coupled to the float magnet, whereby the outer gauging rod continues to rise. Indicia on the inner gauging rod provide information on the height of the liquid in the tank from its empty condition to a partly full condition. Indicia on the outer gauging rod provide information on the quantity of liquid in the tank from its partly full condition to its full condition.
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patent: 50581 (1865-10-01), Herris
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patent: 2771774 (1956-11-01), Fornasieri
patent: 4154103 (1979-05-01), FLing
patent: 4248088 (1981-02-01), McGown et al.
patent: 4475290 (1984-10-01), Colditz
patent: 4924703 (1990-05-01), White et al.
Cuchlinski Jr. William A.
Gutierrez Diego F. F.
Midland Manufacturing Corp.
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