Differential pressure type liquid level meter

Details Differential pressure type liquid level meter Differential pressure type liquid level meter

1989-03-28

1989-09-26

Cuchlinski, Jr., William A.

Measuring and testing

Liquid level or depth gauge

Hydrostatic pressure type

73708, 165 47, G01F 2316

Patent

active

048691046

ABSTRACT:
A pressure difference type liquid level meter for measuring the quantity of an object liquid includes a liquid receptacle containing the object liquid, a pressure transmitting device including a pressure transmitting liquid for transmitting a pressure from the object liquid to a pressure difference detector so as to compare the transmitted pressure with a reference pressure, and an isothermal device for maintaining at least part of the pressure transmitting liquid at a predetermined temperature.

REFERENCES:
patent: 1123611 (1915-01-01), Stanley
patent: 1944943 (1934-01-01), McNeill
patent: 3232111 (1966-02-01), Kinderman
patent: 3610042 (1971-10-01), Brosius
patent: 3999435 (1976-12-01), Siegel
patent: 4332166 (1982-06-01), Lawford
patent: 4389888 (1983-06-01), Morooka
patent: 4394346 (1983-07-01), Morooka

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