G - Physics – 01 – N
Patent
G - Physics
01
N
73/100
G01N 11/00 (2006.01)
Patent
CA 1207559
ABSTRACT This invention involves an apparatus and a method involving such apparatus for making rapid viscometric measurements of fluids at high shear rates and high temperatures, said apparatus comprising: a) container means for housing a sample fluid and movable piston means, b) inlet means for providing a sample to said container, c) capillary tube outlet means located at one end of said container means, said capillary tube means having a temperature control means, d) piston means movably positioned within said container. e) constant speed motor means connected with piston drive means for moving said piston through said container at a constant speed to force sample fluid through the outlet capillary at a constant volumetric flow rate, f) pressure transducer means for measuring the pressure generated in said container at the capillary tube entrance, and g) the container means being adapted with heating means for heating sample fluid to a selected temperature.
448238
Borden Ladner Gervais Llp
Imperial Oil Limited
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