Flexible probe with separation adjustment

Measuring and testing – Liquid level or depth gauge

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Details

738665, G01F 2328

Patent

active

059101881

ABSTRACT:
A probe (16) for use in measuring the level of fluid (12) in a tank (14) based on time-domain reflectometry detection utilizes a pair of flexible conductors (26, 28). The conductors (26, 28) may be removably placed in the tank (14) in a mounting bracket (32) secured to the tank (14), by sliding the conductors (26, 28) into the bracket (32), at one of a plurality of spacings. The selection of spacing of the conductors (26, 28) is based on the type of fluid utilized in the tank (14). The conductors (26, 28) are flexible to allow conformance to the contour of the tank (14).

REFERENCES:
patent: 3398578 (1968-08-01), Dozer
patent: 3703829 (1972-11-01), Dougherty
patent: 4166388 (1979-09-01), Sun et al.
patent: 5103672 (1992-04-01), Terry, Jr. et al.
patent: 5136249 (1992-08-01), White et al.
patent: 5457990 (1995-10-01), Oswald et al.
patent: 5609059 (1997-03-01), McEwan
Time Domain Reflectometry for Liquid Level Measurements by George D. Lehmkuhl, Down Chemical U.S.A., RFP-1902, Aug. 21, 1972.
Continuous Liquid Level Measurements with Time-Domain Reflectometry by J.E. Cruz et al., Advances in Cryogenic Engineering, 1973.

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