Viscometer

Horology: time measuring systems or devices – Time interval – Electrical or electromechanical

Patent

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Details

73304R, G01F 2300, G04F 800

Patent

active

049166786

ABSTRACT:
A capillary tube viscometer is provided in which the viscosity of a fluid can be measured at a temperature above the normal boiling point of at least one component in the fluid. The fluid is heated to the desired temperature in a sealed viscometer which is constructed so as to withstand high pressure. The fluid is then allowed to flow through a capillary tube and the time required for the fluid to flow through the capillary tube is measured. The viscosity of the fluid is then calculated based on the Hagen-Poiseuille law.

REFERENCES:
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patent: 3495214 (1970-02-01), Wishart
patent: 3713328 (1973-01-01), Aritomi
patent: 3798960 (1974-03-01), Glass
patent: 3964037 (1976-06-01), Lamphere
patent: 4010650 (1977-03-01), Piatkowski et al.
patent: 4090408 (1978-05-01), Hedrick
patent: 4145927 (1979-03-01), Larson
patent: 4149231 (1979-04-01), Bukosky et al.

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