Karman vortex flow meter

Details Karman vortex flow meter Karman vortex flow meter

1991-01-29

1993-03-30

Goldstein, Herbert

Measuring and testing

Volume or rate of flow

By measuring vibrations or acoustic energy

G01F 132

Patent

active

051973367

ABSTRACT:
A Karman vortex flow meter for measuring the flow rate of a fluid under test in a pipeline having a base to be secured to the pipeline, and a vortex detector having an axis intended to intersect the pipeline. The vortex detector includes a post, a detector flange at least partially surrounding the post having a free surface, a columnar force receiving part extending from the post into the pipeline for producing a Karman vortex, and a strain detecting element coupled to the free surface for detecting the Karman vortex and producing an output signal corresponding to the detected Karman vortex.

REFERENCES:
patent: 4248098 (1981-02-01), Sawayama et al.
patent: 4526040 (1985-07-01), Matsubara
patent: 4679445 (1987-07-01), Knudsen et al.
patent: 4706503 (1987-11-01), Kamentser
patent: 4782710 (1988-11-01), Nagumo et al.
patent: 4791818 (1988-12-01), Wilde
patent: 4803870 (1989-02-01), Lew
patent: 4926695 (1990-05-01), Kleven et al.
patent: 4984471 (1991-01-01), Storer

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