Fluidic oscillator flowmeter

Details Fluidic oscillator flowmeter Fluidic oscillator flowmeter

1978-10-12

1981-01-13

Goldstein, Herbert

Measuring and testing

Volume or rate of flow

By measuring vibrations or acoustic energy

G01F 100

Patent

active

042442303

ABSTRACT:
A fluidic oscillator flowmeter employs a fluidic oscillator wherein the frequency is proportional to flow through the oscillator. The oscillating flow is divided into two discrete paths, facilitating the counting of the frequency and the transduction of the frequency into a flow measurement indication. In one embodiment the flowmeter may be inserted into a large flow stream, wherein it utilizes only a small portion of the measured flow and presents a streamlined profile to the flow to minimize pressure losses. Alternatively, the entire measured flow may be passed through the flowmeter.

REFERENCES:
patent: 3500849 (1970-03-01), McLeod, Jr.
patent: 3640133 (1972-02-01), Adams
patent: 3690171 (1972-09-01), Tippetts et al.
patent: 3885434 (1975-05-01), Williamson
patent: 4085615 (1978-04-01), Haefner
patent: 4184636 (1980-01-01), Bauer

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