Eccentric viscometer for testing biological and other fluids

Details Eccentric viscometer for testing biological and other fluids Eccentric viscometer for testing biological and other fluids

1975-04-30

1976-09-14

Queisser, Richard C.

Measuring and testing

Liquid analysis or analysis of the suspension of solids in a...

Cleaning or foaming ability

23230B, 73 9, 73 54, 128 2W, G01N 1100, G01N 3316

Patent

active

039799450

ABSTRACT:
A device for determining the rheological properties of a liquid comprises an inner bearing member having a horizontally disposed outer cylindrical surface and an outer bearing member having a horizontally disposed inner cylindrical surface, each cylindrical surface constituting a bearing surface of predetermined grit. A liquid sample is introduced between the inner and outer cylindrical surfaces, which are disposed eccentrically relative to one another. Relative mechanical movement of the members, which is related to both shear and displacement of the liquid disposed between them, provides an indication of the rheological properties of the liquid.

REFERENCES:
patent: 1184880 (1916-05-01), Schleher, Jr.
patent: 2427289 (1947-09-01), Lancaster
patent: 2878670 (1959-03-01), Martin
patent: 2953016 (1960-09-01), Seitz, Jr.
patent: 3115034 (1963-12-01), De Hart
patent: 3552198 (1971-01-01), Friedland
benis; A. M. et al., Rheology of Biological Systems, I11, Thomas, 1973, Chap. 9, pp. 218-259.

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