Method and apparatus for examining and determining the viscosity

Details Method and apparatus for examining and determining the viscosity Method and apparatus for examining and determining the viscosity

1992-07-27

1993-12-14

Williams, Herzon E.

Measuring and testing

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

Viscosity

G01N 1102

Patent

active

052691748

ABSTRACT:
This invention presents a method and an apparatus for examining and determining the viscosity of a liquid sealed in a container by applying a centrifugal force to the container, detecting a change in the surface form of said liquid by the means of a sensor, and measuring either a lapse of time from the application of centrifugal force to the time when the output voltage of the sensor reaches a predetermined level or a voltage output of the sensor upon a predetermined lapse of time from the application of a centrifugal force, thereby examining and determining the viscosity of the liquid to find out whether there is any quality change in the liquid without destroying the container.

REFERENCES:
patent: 3824841 (1974-08-01), Bull
patent: 4848900 (1989-07-01), Kuo et al.
Azimov, A., "Soviet Inventions Illustrated", Week 8843 88-306354/43 (1988).

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