System for continuous monitoring of the density of cryogenic liq

Details System for continuous monitoring of the density of cryogenic liq System for continuous monitoring of the density of cryogenic liq

1974-09-09

1976-01-20

Queisser, Richard C.

Measuring and testing

Specific gravity or density of liquid or solid

62 49, 62125, 62129, 324 61R, G01N 900, F17C 1302

Patent

active

039330303

ABSTRACT:
A system has been invented for the continuous determination of density of cryogenic liquids such as LPG and LNG to within .+-. 0.1% or better using differential capacitance measurements. This system would allow the detection of incipient density inversions in storage tanks and the accurate determination of quantities transferred from ship to shore to customers.

REFERENCES:
patent: 3010319 (1961-11-01), Sontheimer
patent: 3222918 (1965-12-01), Kuntz et al.
patent: 3276214 (1966-10-01), Wilson et al.
patent: 3633372 (1972-01-01), Kimmel
patent: 3638442 (1972-02-01), Hedstrom
patent: 3665209 (1972-05-01), Webb et al.
patent: 3728897 (1973-04-01), Wallman
patent: 3813924 (1974-06-01), Agar

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