Open channel flow meter

Details Open channel flow meter Open channel flow meter

1976-01-12

1976-12-14

Goldstein, Herbert

Measuring and testing

Volume or rate of flow

System

73215, G01F 700

Patent

active

039967980

ABSTRACT:
In an open channel in which liquid flows, there are provided a first flow velocity measuring device and a second liquid level or height measuring device. At flows above a predetermined level the first and second devices are coupled to give a flow quantity readout. Below the predetermined flow level the height measuring device is automatically uncoupled from the velocity measuring device and is coupled to a computer in which the output of the height measuring device is substituted in a known formula relating height with flow quantity to give a flow quantity readout, the readouts for all levels being substantially continuous.

REFERENCES:
patent: 3638490 (1972-02-01), Buettner
patent: 3681988 (1972-08-01), McNulty
patent: 3908458 (1975-09-01), Pannullo

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