Vortex shedding flow measuring transducer

Details Vortex shedding flow measuring transducer Vortex shedding flow measuring transducer

1982-11-15

1985-02-26

Rowland, James L.

Measuring and testing

Volume or rate of flow

By measuring vibrations or acoustic energy

G01F 132

Patent

active

045011575

ABSTRACT:
A digital vortex shedding flow measuring transducer (10) includes an optical conductor (20) cantilevered to a conduit (15) accommodating the flow and an optical receiver (35) which intercepts an optical signal from the conductor as the conductor vibrates in response to vortices shed therefrom due to fluid flow thereover.

REFERENCES:
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patent: 3602037 (1971-08-01), Neu
patent: 3796096 (1974-03-01), Sielaff et al.
patent: 3961185 (1976-06-01), Brokenshire et al.
patent: 4011754 (1977-03-01), Pitt
patent: 4206642 (1980-06-01), Bearcroft
patent: 4248098 (1981-02-01), Sawayama et al.
patent: 4307618 (1981-12-01), James et al.
patent: 4359637 (1982-11-01), Perren
patent: 4414471 (1983-11-01), Rines
patent: 4472022 (1984-09-01), Bearcroft et al.
"Vortex Shedding Fluid Flowmeter Using Optical Fibre Sensor", Electronic Letters, Mar. 1981, Lyle et al.

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