Electromagnetic flowmeter

Details Electromagnetic flowmeter Electromagnetic flowmeter

1990-09-12

1992-06-30

Eisenzopf, Reinhard J.

Measuring and testing

Volume or rate of flow

By measuring electrical or magnetic properties

7386115, G01F 158

Patent

active

051252767

ABSTRACT:
A pair of magnetic field generating units and a pair of measuring electrodes are mounted on a measuring pipe. The pair of magnetic field generating units generate a substantially functional distribution magnetic field in the measuring pipe. Each magnetic field generating unit has a plurality of coils. A turn ratio of the plurality of coils is substantially equal to a turn ratio of pieces obtained by dividing a sin distribution coil into N portions when the number of coils is given as N (N is an integer of 2 or more). The plurality of coils are constituted by, e.g., coils with pole pieces and saddle coils.

REFERENCES:
patent: 3373608 (1968-03-01), Ketelsen
patent: 4137765 (1979-02-01), Matsushita
patent: 4470309 (1984-09-01), Wada
patent: 4809559 (1989-03-01), Kasai

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