Apparatus for automatically measuring the viscosity of liquids

Details Apparatus for automatically measuring the viscosity of liquids Apparatus for automatically measuring the viscosity of liquids

1981-03-10

1983-06-21

Ciarlante, Anthony V.

Measuring and testing

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

Viscosity

G01N 1112

Patent

active

043888232

ABSTRACT:
The apparatus for measuring the viscosity of liquids comprises an inclined viscosimetric tube (1) enclosing a ball (3). A device is provided for measuring the duration of fall of the ball (3) in the tube (1). An electromagnet (8) adjacent the tube (1) has poles (9) which set up along the tube (1) a gradient of a magnetic field allowing the automatic rising of the ball (3). The apparatus is used mainly for measuring the viscosity and the time of the coagulation of blood.

REFERENCES:
patent: 2252572 (1941-08-01), Lang
patent: 2320218 (1943-05-01), Buckley
patent: 2778220 (1957-01-01), Kuhlmann et al.
patent: 2957338 (1960-10-01), Kennedy et al.
patent: 3368391 (1968-02-01), Harrison
patent: 3677070 (1972-07-01), Norcross
patent: 3967934 (1976-07-01), Seitz et al.
A Viscometer with Magnetic Lift, by N. V. Belonenko, in Industrial Lab., vol. 41, No. 1, pp. 64, 92, Jan. 1975 translation from U.S.S.R., Jul. 1975.
"Soviet Journal of Instrumentation and Control", No. 6, Jun. 1969, An Automatic Sphere Viscometer, by A. N. Melekhin and N. K. Chertkou.
Review of Scientific Instruments, vol. 48, No. 7, Jul. 1977, "Small-Volume, Inclined, Falling-Ball Viscometer", by R. H. Geils and R. C. Keezer.

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