Flow monitoring

Details Flow monitoring Flow monitoring

1977-12-23

1978-11-14

Goldstein, Herbert

Measuring and testing

Volume or rate of flow

Weir type

G01F 120

Patent

active

041250206

ABSTRACT:
A probe adapted to fit into the end of a sewer or water pipe or conduit is provided with a weir plate and with a bubble tube for sensing the depth of flow over the weir and thus, determining the flow rate. A V-notch weir plate is made up of a pair of partially overlapping pieces individually joined to flexible supporting means, and one or both disjoined therefrom at the overlap. The angle of the V varies upon flexing of the supporting means, as when compressed for insertion into a pipe, and the apex of the V is at the beginning of the overlap, above the invert of the pipe when in place. The bubble tube has one or more bubble outlets at the apex level but preferably spaced upstream somewhat. Except for the weir plate itself all parts of the probe inside the pipe lie along the pipe wall for minimum disturbance of the flow.

REFERENCES:
patent: 1190400 (1916-07-01), Giele
patent: 3301050 (1967-01-01), McNulty
patent: 4034607 (1977-01-01), Martig, Jr.

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