Fluid flowmeter

Details Fluid flowmeter Fluid flowmeter

1975-09-18

1977-04-12

Goldstein, Herbert

Measuring and testing

Volume or rate of flow

Thermal type

G01F 168

Patent

active

040167593

ABSTRACT:
Apparatus for measuring the flow of fluids by thermal means. A flow meter of the heated conduit type is operated in a constant temperature mode to produce two output signals, one proportional to the differential temperature between two points in the fluid and the other proportional to the power required to maintain that temperature differential constant. The power is a measure of the mass flow and the heat capacity of the fluid.

REFERENCES:
patent: 2446283 (1948-08-01), Hulsberg
patent: 2729976 (1956-01-01), Laub
patent: 2994222 (1961-08-01), Laub
patent: 3116639 (1964-01-01), Bird
patent: 3181357 (1965-05-01), Benson
patent: 3363462 (1968-01-01), Sabin
patent: 3680377 (1972-08-01), Lightner
patent: 3942378 (1976-03-01), Olmstead

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