Flowmeter

Details Flowmeter Flowmeter

1980-02-11

1982-04-06

Ruehl, Charles A.

Measuring and testing

Volume or rate of flow

By measuring vibrations or acoustic energy

7386112, 7386113, G01F 132

Patent

active

043229824

ABSTRACT:
A flowmeter for measuring the flow of liquid metal in a conduit has a tubular drag body which extends diametrically into the conduit and terminates, with a closed end, within the flowing liquid. The drag body which generates vortexes in the flow, accommodates a magnet that generates a magnetic field in the liquid metal. The potential difference induced in the liquid and being a function of the flow velocity and the frequency of vortex detachment, is sensed by electrodes which are situated within the drag body and, for the purpose of being exposed directly to the liquid, project through respective bores provided in the drag body. The electrodes are bonded gastight to the drag body.

REFERENCES:
patent: 3736798 (1973-06-01), Wood et al.
patent: 3775673 (1973-11-01), Watanabe
patent: 4145924 (1979-03-01), Muller
Appell, et al., "Solid State Current Meters", Sep. 1973.
Bonfig-Technische Durchflus-Messung-pp. 146-148, 1977.
Clayton-Modern Developments in Flow Measurement-pp. 359-360, 1972.

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