Signal generator for electromagnetic flowmeter

Details Signal generator for electromagnetic flowmeter Signal generator for electromagnetic flowmeter

1980-01-22

1981-09-22

Ruehl, Charles A.

Measuring and testing

Volume or rate of flow

By measuring electrical or magnetic properties

G01F 158

Patent

active

042903122

ABSTRACT:
A signal generator for reducing the influence of fluctuations in flow rate distribution in a fluid passing through the flow tube of an electromagnetic flowmeter, which fluid intercepts a magnetic field therein to induce an emf which is transferred to the meter electrodes, thereby yielding a signal as a function of flow rate. To this end, the tube is provided with auxiliary electrodes disposed at arbitrary positions at which the potentials developed thereon are equal to each other when the existing flow rate distribution is symmetrical with respect to the flow tube axis, the auxiliary electrodes being interconnected.

REFERENCES:
patent: 2733604 (1956-02-01), Coulter
patent: 3589186 (1971-06-01), Bourg et al.

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