Fluid level sensor

Details Fluid level sensor Fluid level sensor

1985-07-03

1986-09-09

Frankfort, Charles

Measuring and testing

Liquid level or depth gauge

Float

73305, 73308, 733225, G01F 2332, G01F 2336

Patent

active

046101659

ABSTRACT:
A fluid level sensor comprising a pivoted float which contains a solid-state inclinometer that produces sensitive electrical output signal responsive to angular displacement of the float from the direction of gravity. The float is capable of resolving very small changes in liquid level in a vessel, and thereby indicating or warning of small leaks from the vessel. A reference inclinometer may also be provided for producing a reference signal to compensate for fluid level signal errors caused by motion of the vessel.

REFERENCES:
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patent: 4505148 (1985-03-01), Zajac
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patent: 4540891 (1985-09-01), Keener et al.
Sperry Data Sheet 41-5710-09-01 Mar. 1985 "Inclinometer Installation and Specifications" Also Data Sheet 61-5740-01-00, Jan. 1985--Sperry, Box 21111, Phoenix AZ 85036-1111.
"Why Does a Ship Float" (Explanation of Shift of Center of Buoyancy), The Way Things Work, Simon & Schuster 1967, (pp. 542, 543).

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