Sensor for measuring liquid-level changes in storage tanks

Details Sensor for measuring liquid-level changes in storage tanks Sensor for measuring liquid-level changes in storage tanks

1991-03-04

1992-09-15

Yasich, Daniel M.

Measuring and testing

Liquid level or depth gauge

Float

73308, 336136, G01F 2360, H01F 2106

Patent

active

051467844

ABSTRACT:
The improved device for measuring liquid-level changes in storage tanks uses a float to track vertical displacement of the surface of a liquid and a linear variable differential transducer (LVDT) sensor positioned below the surface of the liquid to measure changes in the surface level. The center of gravity of the device is located below the center of buoyancy, thereby minimizing instability of the LVDT sensor.

REFERENCES:
patent: 2359927 (1944-10-01), Melas
patent: 3834234 (1974-09-01), Kobayashi et al.
patent: 4321826 (1982-03-01), Bibbee et al.
patent: 4407159 (1983-10-01), Wytaniec
patent: 4497205 (1985-02-01), Zulauf et al.
patent: 4852054 (1989-07-01), Mastandrea

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