Apparatus for metering liquid flow

Details Apparatus for metering liquid flow Apparatus for metering liquid flow

1981-06-04

1984-02-28

Chamblee, Hugh R.

Measuring and testing

Liquid level or depth gauge

73304C, 119 1417, G01F 2300, A01J 700

Patent

active

044335776

ABSTRACT:
An inlet tube, connected to a source of liquid, such as milk, supplies liquid to the top of a container. An orifice at the bottom of the container permits drainage from the container into an outlet tube. The level of liquid in the container is related to the instantaneous flow rate, in a known manner, as long as the pressure in the container, above the liquid surface, equals the pressure in the outlet tube after the orifice. A conduit connects the upper portion of the container, at a point above the liquid therein, and the outlet tube, below the orifice, to equalize the pressure therebetween, as well as to act as an overflow bypass. Various types of sensors may be used to determine the level of liquid in the container. A signal, representative of the sensed liquid level, is developed and processed to represent the flow rate.

REFERENCES:
patent: 2361738 (1944-10-01), Bird
patent: 3623366 (1971-11-01), Rowell
patent: 4090407 (1978-05-01), Shuler et al.
patent: 4173892 (1979-11-01), Khurgin
patent: 4175514 (1979-11-01), Souza et al.
patent: 4185586 (1980-01-01), Flocchini
patent: 4231324 (1980-11-01), Schletter
patent: 4325028 (1982-04-01), Takahashi

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