Method and device for determining the homogeneity of magnetic di

Details Method and device for determining the homogeneity of magnetic di Method and device for determining the homogeneity of magnetic di

1978-05-22

1981-01-06

Cline, William R.

Fluid handling

Processes

With control of flow by a condition or characteristic of a...

137115, 73 61R, 118689, 324204, G01R 3312

Patent

active

042430593

ABSTRACT:
In order to determine the homogeneity of a magnetic dispersion, part of the dispersion is conducted through a measuring cell prior to its application to a base, the size, number and type of those regions of the magnetic dispersion which interfere with the homogeneity being determined with the aid of magnetic measurements. The measuring cell contains a magnetic head, a magnetic dispersion is made to flow in a stream of constant cross section past the air gap of the magnetic head, and a magnetic field at least partially penetrating the magnetic dispersion is produced. From the characteristics of the amplified output voltage of the magnetic head the various parameters of the inhomogeneities in the magnetic dispersion can then be ascertained.

REFERENCES:
patent: 2948847 (1960-08-01), Bravenec et al.
patent: 4131081 (1978-12-01), Terashima

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