Vortex flow meter

Details Vortex flow meter Vortex flow meter

1987-03-10

1989-06-13

Goldstein, Herbert

Measuring and testing

Volume or rate of flow

By measuring vibrations or acoustic energy

G01F 132

Patent

active

048380920

ABSTRACT:
A vortex flow meter having a vortex generator comprises a plurality of vortex generating elements installed in a fluid passage perpendicular to the fluid's flow. An upstream-side vortex generating element and a downstream-side vortex generating element are both arranged in parallel at a predetermined interval therebetween in the direction of the fluid's flow. Zero to plural flat plates are arranged in parallel at equal intervals between both vortex generating elements. The representative length portions of the vortex generating elements are located respectively on the surfaces opposed to each other. The frequency ratio of the vortexes generated, when independently arranged, are 0.7 to 0.9 on the standard basis of the upstream-side vortex generating element.

REFERENCES:
patent: 3589185 (1971-06-01), Burgess
patent: 3888120 (1975-06-01), Burgess
patent: 4074571 (1978-02-01), Burgess
patent: 4350047 (1982-09-01), Dewey, Jr. et al.
patent: 4481829 (1984-11-01), Shortridge
patent: 4485679 (1984-12-01), Pitt, Jr.
patent: 4485680 (1984-12-01), Wada

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