Apparatus for monitoring liquid flow rates

Details Apparatus for monitoring liquid flow rates Apparatus for monitoring liquid flow rates

1981-05-27

1983-08-30

Goldstein, Herbert

Measuring and testing

Volume or rate of flow

Thermal type

G01F 168

Patent

active

044009755

ABSTRACT:
An apparatus adapted to monitor the flow rate of a liquid comprising a conduit through which the liquid is caused to flow; a heater adapted to supply heat at a substantially constant rate to the liquid in the conduit; a temperature control device adapted to maintain the area outside of and adjacent to the conduit at substantially the same temperature as the liquid entering the conduit; and upstream and downstream temperature sensors to sense the temperature of the liquid in the conduit upstream and downstream, respectively, of the place at which the heat is supplied to the liquid, whereby the difference in temperatures sensed by the upstream and downstream temperature sensors is proportional to the flow rate of the liquid in the conduit.

REFERENCES:
patent: 2525197 (1950-10-01), Beams et al.
patent: 2813237 (1957-11-01), Fluegel et al.
patent: 3326040 (1967-06-01), Walsh

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