Fluid flow meters

Details Fluid flow meters Fluid flow meters

1976-05-27

1977-09-27

Ruehl, Charles A.

Measuring and testing

Volume or rate of flow

System

G01F 158

Patent

active

040503038

ABSTRACT:
An electromagnetic flowmeter comprises an iron tube surrounding a non-magnetic electrically insulating tube through which the fluid flows. Windings formed by printed circuit conductors are located on the inner surface of the iron tube and produce a main magnetic field in one direction in the electrode plane and subsidiary magnetic fields in the opposite direction upstream and downstream of the electrode plane.

REFERENCES:
patent: 3373608 (1968-03-01), Ketelsen
patent: 3566687 (1971-03-01), Mittelmann
patent: 3589186 (1971-06-01), Bourg
patent: 3924466 (1975-12-01), Medlar

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