Flowmeter

Details Flowmeter Flowmeter

1976-06-07

1977-03-15

Goldstein, Herbert

Measuring and testing

Volume or rate of flow

System

250227, G01F 132

Patent

active

040117545

ABSTRACT:
In a vortex shedder the rate of flow is determined from the rate at which vortices are shed from a bluff body normally incorporating flexible capacitor plates at its sides which produce a signal when each vortex is detected. In this flowmeter the bluff body is a mere solid body and the vortices are detected downstream with an unclad section of optical fiber the attenuation of which changes in the presence of a vortex because of the change of refractive index associated with a vortex.

REFERENCES:
patent: 2813424 (1957-11-01), Liepmann et al.
patent: 2869366 (1959-01-01), Nitikman

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