Automatic tank gauging system with a quasi static reference subs

Details Automatic tank gauging system with a quasi static reference subs Automatic tank gauging system with a quasi static reference subs

1992-04-28

1993-07-20

Williams, Hezron E.

Measuring and testing

Liquid level or depth gauge

73 405R, 367908, G01F 2328

Patent

active

052283399

ABSTRACT:
An apparatus for measuring liquid levels and leak rates in a storage tank, using an acoustic transducer and a quasi-static reference device that positions an acoustic target within a predetermined distance range below the surface of the liquid.

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patent: 4890490 (1990-01-01), Telford
patent: 4928525 (1990-05-01), Aderholt et al.
patent: 4934186 (1990-06-01), McCoy
patent: 5036703 (1991-08-01), Eriksson

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