Unit used in an apparatus for measuring the viscosity of a fluid

Details Unit used in an apparatus for measuring the viscosity of a fluid Unit used in an apparatus for measuring the viscosity of a fluid

1995-04-11

1996-10-29

Chilcot, Richard

Measuring and testing

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

Viscosity

73 5413, G01N 1106

Patent

active

055698433

ABSTRACT:
The disclosure herein describes a unit used in an apparatus for measuring the viscosity of a fluid contained in a recipient; the unit includes a vertically displaceable piston at the upper end of which is provided a lifting plate while the lower end is equipped with a spherical head displaceably received in a cup immerged in the fluid. As the piston is lifted, fluid is drawn into the cup. After being raised, the piston is allowed to fall under gravity and the fluid in the cup is expelled through a small clearance between the spherical head and the inner cylindrical wall of the cup. The time required for the piston plate to contact and actuate a switch is proportional to the viscosity of the fluid.

REFERENCES:
patent: 4388823 (1983-06-01), Garnaud et al.
patent: 4517830 (1985-05-01), Gunn
patent: 4868849 (1989-09-01), Wright
patent: 5327778 (1994-07-01), Park
patent: 5388447 (1995-02-01), Fitch et al.

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