Vortex flow meter

Details Vortex flow meter Vortex flow meter

1989-03-14

1990-07-03

Goldstein, Herbert

Measuring and testing

Volume or rate of flow

By measuring vibrations or acoustic energy

G01F 132

Patent

active

049380745

ABSTRACT:
A vortex flow meter comprises a first diaphragm which divides first and second pressure chambers from each other; a second diaphragm which divides third and fourth pressure chambers from each other and is disposed in such a manner that the direction in which the second diaphragm is movable is coincident with that in which the first diaphragm is movable, and that the direction is not coincident with that of the maximum component of an external force which acts on the diaphragms; first and second bridge circuits which make outputs in response to the action of the first and second diaphragms, respectively; and differential amplifiers which perform the differential amplification of the outputs from the first and second bridge circuits.

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