Flowmeter

Details Flowmeter Flowmeter

1985-06-28

1987-02-10

Goldstein, Herbert

Measuring and testing

Volume or rate of flow

With indirect temperature or density compensation

73198, 7386152, 73 32R, 73 55, G01F 136, G01N 926, G01N 1104

Patent

active

046415351

ABSTRACT:
A method and apparatus for measuring flow parameters of an unknown fluid uses four pressure sensors at fixed, spaced locations within a cylindrical member having a constricted and a full diameter portion. The constricted portion has a smooth surface of transition at its entry, internal corrugations, and a sharp increase to the full diameter at its exit. There are no moving parts. All flow parameters can be calculated from the four pressure measurements taken at the entry and exit of the constricted portion and two aligned but separated locations spaced from the sharp increase to full diameter.

REFERENCES:
patent: 1863090 (1932-06-01), Albersheim et al.
patent: 2023568 (1935-12-01), Albersheim et al.
patent: 3487688 (1970-01-01), Magliozzi
patent: 3839914 (1974-10-01), Modisette et al.
patent: 3926050 (1975-12-01), Turner et al.
patent: 3952577 (1976-04-01), Hayes et al.
patent: 4231262 (1980-11-01), Boll et al.

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