Viscometer

Details Viscometer Viscometer

1978-06-21

1979-11-27

Ruehl, Charles A.

Measuring and testing

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

Viscosity

G01N 1114

Patent

active

041754255

ABSTRACT:
A viscometer of the type has a chamber within which there are concentric, open ended cylindrical elements, one within the other. A drive is provided to rotate one of the elements and the inner element, which is free to turn, has one end of a readout rod connected axially thereto. The readout rod extends freely through a tube which seals the rod against the fluid flowing through the chamber and its other end is outside the viscometer with the rotor of a readout device connected thereto. The major percentage of the wanted torsional resistance against the turning of the inner element relative to the other element is provided by a resilient device which also ensures lateral stability for the inner element thus enabling the rod-sealing tube to offer but a minor percentage of such resistance. The readout rod is held by a bearing adjacent its outer end and close to the center of gravity of the rotor.

REFERENCES:
patent: 2519378 (1950-08-01), Kilpatrick
patent: 2817231 (1957-12-01), Barstow
patent: 3122914 (1964-03-01), Stabe et al.
patent: 3349606 (1967-10-01), Merrill et al.
patent: 3435666 (1969-04-01), Fann
patent: 3986388 (1976-10-01), Stolzy

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