Vortex flowmeter

Details Vortex flowmeter Vortex flowmeter

1989-03-01

1990-01-09

Orsino, Joseph A.

Measuring and testing

Volume or rate of flow

By measuring vibrations or acoustic energy

7386124, G01F 132

Patent

active

048919888

ABSTRACT:
Pressure variation produced in a conduit is transmitted through two pressure conduits to two pairs of pressure chambers, the pressure chambers in each pair being partitioned by a diaphragm having a bridge circuit which provides an output related to a deformation of the diaphragm, so that deformations of the diaphragms produce outputs which are opposite in phase and have magnitudes of the same absolute value and which are summed for vortex pressure detection and subtracted for other pressure.

REFERENCES:
patent: 4161878 (1979-07-01), Fussell, Jr.
patent: 4520678 (1985-06-01), Kozrol et al.

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