Flow monitoring

Details Flow monitoring Flow monitoring

1978-01-11

1980-09-09

Myracle, Jerry W.

Measuring and testing

Volume or rate of flow

Mass flow by imparting angular or transverse momentum to the...

364510, 73227, G01F 152

Patent

active

042211271

ABSTRACT:
Gravity flow of liquid in sewer pipes or similar conduits is determined in the absence of a weir, flume, or similar flow-rating device by sensing the depth of the liquid in the pipe, converting such depth to the corresponding rate of flow through the pipe in accordance with a known relationship of depth to flow and without performing any mental computation, and providing a readable indication of instantaneous flow rate, and/or optionally integrating the flow rate over time, recording such flow rate and/or the integrated flow, printing out one or the other, or both, etc. Apparatus for doing so includes a pressure sensor, a depth-to-flow converter, and usually a separate indicator/recorder. Unlike systems utilizing flumes or weirs, this apparatus and this method can accommodate sludge deposited in a pipe or other conduit to be monitored.

REFERENCES:
patent: 1492829 (1924-05-01), Buckley
patent: 3638490 (1972-02-01), Buettner
patent: 3681988 (1972-08-01), McNulty
patent: 3727459 (1973-04-01), Buettner
patent: 3866028 (1975-02-01), Schontzler et al.
patent: 4026151 (1977-05-01), Fitzgerald
patent: 4058011 (1977-11-01), Martig

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