Arrangement for measuring the level of liquified gases

Details Arrangement for measuring the level of liquified gases Arrangement for measuring the level of liquified gases

1990-11-28

1994-03-15

Walton, George L.

Fluid handling

Liquid level responsive or maintaining systems

Electrical characteristic sensing

62 492, 73295, 116109, 116227, 137558, 257 87, 340619, G01F 2322, G05D 912, F16K 3700

Patent

active

052938964

ABSTRACT:
A semiconductor sensor detects the existence of liquified gases by immersion or approaching the liquid. A high signal amplitude of the sensor permits a simple signal evaluation of high reliability. The sensor permits the realization of filling level measuring devices or level control devices for liquified gases.

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patent: 5041883 (1991-08-01), Lindquist et al.
Ben'yaminovich et al., "A Liquid nitrogen level regulator", Jun. 1972, vol. 12 No. 3 (GB).
Sandhu et al. "An Inexpensive Automatic Liquid Nitrogen Level Control System using an Integrated Circuit", Mar./Apr. 1971 pp. 424-425.

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