Precision liquid level sensor

Measuring and testing – Liquid level or depth gauge

Patent

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Details

73304R, 324 585B, G01F 2328

Patent

active

044958072

ABSTRACT:
A precision liquid level sensor utilizes a balanced R. F. bridge, each arm including an air dielectric line. Changes in liquid level along one air dielectric line imbalance the bridge and create a voltage which is directly measurable across the bridge.

REFERENCES:
patent: 2596288 (1952-05-01), Robertson
patent: 3398578 (1968-08-01), Dozer
patent: 3424002 (1969-01-01), Johnson
patent: 3474336 (1969-10-01), Alford
patent: 3703829 (1972-11-01), Dougherty
patent: 3812422 (1974-05-01), DeCarolis
patent: 3832900 (1974-09-01), Ross
patent: 3853005 (1974-12-01), Schendel
"Alternate Liquid Level Measurement Systems" (Fy 1978 Devel. Work), Allied General Nuclear Services, Rep No. Agns 1040,2.2-50, 10/1978, pp.H1-H6.

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