Flow monitoring

Details Flow monitoring Flow monitoring

1976-12-10

1978-09-05

Goldstein, Herbert

Measuring and testing

Volume or rate of flow

Weir type

73302, 73701, 73714, 73729, G01F 120

Patent

active

041110447

ABSTRACT:
Liquid flow in an open channel is monitored by sensing pressure of overlying liquid as depth thereof, transmitting changes in the sensed depth to means for characterizing depth as flow, and indicating the liquid flow so characterized. The pressure sensing and the transmittal of changes in sensed depth are accomplished pneumatically, via a bubbler tube and bellows plus self-balancing cam-and-valve means for controlling rotation of an air motor.

REFERENCES:
patent: 1015556 (1912-01-01), Gibson
patent: 1268130 (1918-06-01), Ledoux
patent: 1975710 (1934-10-01), Borden
patent: 1977498 (1934-10-01), Staegemann
patent: 2559436 (1951-07-01), Isserstedt
patent: 3476538 (1969-11-01), Tretheway
patent: 3780581 (1973-12-01), Acre et al.
patent: 3993418 (1976-11-01), Simmons

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