Fluid quantity gauging systems

Details Fluid quantity gauging systems Fluid quantity gauging systems

1996-09-19

1997-09-23

Dougherty, Elizabeth L.

Measuring and testing

Liquid analysis or analysis of the suspension of solids in a...

Content or effect of a constituent of a liquid mixture

73290V, G01N 3320

Patent

active

056707100

ABSTRACT:
An ultrasonic fuel gauging system has several ultrasonic transducers mounted on the bottom of a tank, the transducers being unconstrained by any tube or still well so that they each propagate diverging energy upwardly to the fuel surface. Each transducer receives a reflection of its own propagated energy from a region of the fuel surface directly above and also receives energy from others of the transducers reflected from regions of the fuel surface between those directly above the transducers. Using three transducers, the heights of six different regions of the fuel surface can be computed.

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patent: 4596136 (1986-06-01), Zacharias
patent: 4715226 (1987-12-01), Dorr
patent: 4726221 (1988-02-01), Tavlarides et al.
patent: 5036703 (1991-08-01), Eriksson
patent: 5127266 (1992-07-01), Maresca et al.
patent: 5309763 (1994-05-01), Sinclair

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