Electromagnetic flowmeter

Details Electromagnetic flowmeter Electromagnetic flowmeter

1985-04-01

1988-02-23

Ruehl, Charles A.

Measuring and testing

Volume or rate of flow

By measuring electrical or magnetic properties

7386112, G01F 160

Patent

active

047262362

ABSTRACT:
This invention realizes an electromagnetic flowmeter detector of a short inter-face distance having a measuring tube with at least one pair of electrodes disposed mutually opposingly on the inner surface of a non-magnetic pipe through which fluid passes, and a coil section including coils wound in a toroidal form, facially symmetrically with respect to a first plane including a fluid axis and the first plane being orthogonal to a second plane including the electrodes and the fluid axis, around a magnetic core of a cylinder shape disposed concentrically with a gap on the outside of the measuring tube.

REFERENCES:
patent: 3490282 (1970-01-01), Wada
patent: 3681986 (1972-08-01), Wyatt
patent: 3739640 (1973-06-01), Folts
patent: 4470309 (1984-09-01), Wada

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