Vortex flow meter

Details Vortex flow meter Vortex flow meter

1984-08-06

1987-08-04

Goldstein, Herbert

Measuring and testing

Volume or rate of flow

By measuring vibrations or acoustic energy

G01F 132

Patent

active

046837604

ABSTRACT:
A vortex flow meter is comprised of a vortex generator provided in a fluid to be measured and a tube member installed in a direction intersecting with it at the downstream side. The tube member includes at least a couple of holes arranged at intervals of predetermined distances in the direction of the shaft. A pressure variation due to the Karman vortex created by the vortex generator is applied to the fluid in the tube member through the above-mentioned holes. A detector for sensing the pressure variation is installed in the tube member. The number of Karman vortexes is counted by the pressure variation detector.

REFERENCES:
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patent: 3564915 (1971-02-01), Tomota et al.
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patent: 3751982 (1973-08-01), Lambert
patent: 3796095 (1974-03-01), Fussell, Jr.
patent: 3940986 (1976-03-01), Yamasaki et al.
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patent: 4173143 (1979-11-01), Venton-Walters
patent: 4257277 (1981-03-01), Klobe
patent: 4416159 (1983-11-01), Williamson et al.
patent: 4440027 (1984-04-01), Focht

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