Liquidometer

Details Liquidometer Liquidometer

1991-04-29

1993-11-23

Goldstein, Herbert

Measuring and testing

Volume or rate of flow

Tank type

73861, 73304R, 128771, G01F 300

Patent

active

052633705

ABSTRACT:
A liquidometer composed of a siphon for emitting a sample liquid stored in a reservoir and a liquid level sensor for sensing the level of the sample remained in the reservoir. The siphon further includes a pair of sensors for counting the number of emission thereof, while the liquid level sensor includes two rows of resistive film with a plurality of sensing elements embedded therein. Outside the liquidometer, there are provided a counter connected to the emission sensor, a level calculator connected to the liquid level sensor, and a calculator coupled to both. A gross amount of the sample liquid having been measured for a period of hours is obtained by adding together a count signal from the counter which represents the quantity of the sample liquid fully stored in the reservoir and a signal from the level counter which represents the liquid level of the remaining sample liquid. Moreover, variations in the quantity of the sample for a predetermined period is computed by the calculator in response to its internal clock.

REFERENCES:
patent: 3919455 (1975-11-01), Sigdell et al.
patent: 4169377 (1979-10-01), Scheib
patent: 4343316 (1982-08-01), Jespersen
patent: 4346596 (1982-08-01), Diamant et al.
patent: 4485762 (1984-12-01), Sutton et al.
patent: 4589280 (1986-05-01), Carter et al.
patent: 4758409 (1988-07-01), Uffenheimer
patent: 5148708 (1992-09-01), Murata et al.

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