Measuring and testing – Liquid analysis or analysis of the suspension of solids in a... – Viscosity
Patent
1982-03-01
1984-05-15
Swisher, S. Clement
Measuring and testing
Liquid analysis or analysis of the suspension of solids in a...
Viscosity
G01N 1112
Patent
active
044480601
ABSTRACT:
A viscosity measuring method and viscometer device for remotely determining viscosity of fluids within an enclosed container. The viscometer device comprises a vertically-oriented tubular probe which contains a tube enclosed by multiple adjacent electromagnetic coils, and the tube contains a movable magnetizable core-float member. When measuring viscosity of a fluid, the movable core-float member is first magnetically lifted to the upper end of the tube by sequential energizing and deenergizing of the electromagnetic coils, then the core-float is allowed to fall freely through the fluid to the lower end of the tube. The fluid viscosity is determined by the elapsed time for the core-float to fall through the fluid. The viscosity measuring method and viscometer device is particularly useful inside a reactor containing fluid and operated at high pressure and temperature conditions.
REFERENCES:
patent: 3717026 (1973-02-01), Ito
J. B. Irving et al., An Automated High Pressure Viscometer, J. Phys. E. (G.B.), vol. 4, No. 3, Mar. 1971, pp. 232-236.
L. H. Abbot et al., A System for Viscosity Measurements etc., A.S.L.E. Transactions, vol. 24, 1, 125-131, Jan. 1981.
HRI Inc.
Mallare Vincent A.
Swisher S. Clement
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