Axial flow viscometer
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United States of America Patent
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May 7, 2019
Grant Date -
Jan 18, 2018
app pub date -
Mar 18, 2015
filing date -
Mar 18, 2015
priority date (Note) -
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Abstract
Systems and methods for measuring the viscosity of a fluid comprises an oscillation cylinder having an inner surface, wherein the oscillation cylinder includes a fluid; a fixed piston having a first stopper disposed within the oscillation cylinder and forming a seal with the inner surface; an adjustable piston having a second stopper disposed within the oscillation cylinder and forming a seal with the inner surface; a chamber defined between the first stopper and second stopper; a bob formed within the chamber having a sensor which measures an axial shear force induced by the oscillating cylinder which is indicative of the apparent viscosity of the fluid in the chamber; and a motor capable of linearly translating the oscillation cylinder.
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