Vortex flowmeter with external sensor

Details Vortex flowmeter with external sensor Vortex flowmeter with external sensor

1974-02-26

1976-03-30

Goldstein, Herbert

Measuring and testing

Volume or rate of flow

System

G01F 132

Patent

active

039466086

ABSTRACT:
A vortex flowmeter for installation in a water or other line requiring periodic flow rate testing. The flowmeter includes a flow tube forming a passage for the fluid to be metered and an obstacle assembly mounted in the tube and capable of generating fluidic oscillations causing a deflectable section of the assembly to vibrate at a corresponding frequency proportional to flow rate. The vibrations of the deflectable section are transmitted to a coupling point outside of the flow tube, whereby flow rate may be determined by an external sensor engaging the coupling point to produce a signal which is fed to a portable test set serving to convert the signal into a flow rate reading.

REFERENCES:
patent: 1935445 (1933-11-01), Heinz
patent: 2383405 (1945-08-01), Merrell et al.
patent: 2548809 (1951-04-01), Norman
patent: 2809520 (1957-10-01), Richard, Jr.
patent: 2813424 (1957-11-01), Liepmann et al.
patent: 3116639 (1969-01-01), Bird
patent: 3452594 (1969-07-01), Dale
patent: 3683691 (1972-08-01), Kivenson
patent: 3722273 (1971-01-01), Yamasaki
patent: 3796095 (1974-03-01), Fussell, Jr.
Yamasaki et al., "The Karman Vortex Flowmeter", in J. Soc. Inst. Control (Japan), Vol. No. 3, Mar. '71, pp. 173 & 178.

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