Obstacle assembly for vortex type flowmeter

Details Obstacle assembly for vortex type flowmeter Obstacle assembly for vortex type flowmeter

1976-06-18

1977-06-21

Goldstein, Herbert

Measuring and testing

Volume or rate of flow

System

G01F 168

Patent

active

040303551

ABSTRACT:
A flowmeter including a flow tube forming a conduit for the fluid to be measured and an obstacle assembly mounted therein capable of generating strong, stabilized fluidic oscillations which are sensed to produce a signal whose frequency is accurately proportional to the flow rate of the fluid passing through the tube, regardless of fluid turbulence or other disturbing factors. The obstacle assembly is formed by a vortex-shedding front section which is mounted across the flow tube, and a vortex-stabilizing rear section supported behind the front section to define a gap therebetween. The rear section has a central opening therein to permit the passage of fluid therethrough to smooth out turbulence and thereby create an orderly trail of vortices.

REFERENCES:
patent: 3564915 (1971-02-01), Tomota et al.
patent: 3927566 (1975-12-01), Zanker
patent: 3948097 (1976-04-01), Kurita et al.

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