Measuring and testing – Liquid analysis or analysis of the suspension of solids in a... – Viscosity
Patent
1981-12-02
1984-08-21
Gill, James J.
Measuring and testing
Liquid analysis or analysis of the suspension of solids in a...
Viscosity
G01N 1112
Patent
active
044662750
ABSTRACT:
An arrangment for measuring the viscosity of a fluid includes a heated, vertical container which receives a vessel filled with the fluid to undergo a viscosity determination. A pair of vertically spaced sensors are mounted in the peripheral wall of the container and are connected with an evaluating mechanism which includes a timer and a computer. The sensors are also connected with a temperature regulating mechanism which regulates the temperature of the fluid by controlling heating of the container. In operation, the fluid is heated on a predetermined temperature. A standard sphere is then permitted to fall through the fluid. When the sphere passes the uppermost sensor, the latter generates an impulse which activates the timer. Similarly, an impulse deactivating the timer is generated when the sphere passes the lowermost sensor. The time required for the sphere to travel between the sensors is fed into the computer which then calculates the viscosity of the fluid from a relationship between viscosity and time. The calculated viscosity may be displayed on a digital indicator. The arrangement is simple to operate and eliminates the need for manual observations to determine the time required for the standard sphere to travel a predetermined distance through the fluid.
REFERENCES:
patent: 2672047 (1954-03-01), Spear
patent: 3368391 (1968-02-01), Harrison et al.
patent: 3772910 (1973-11-01), McGinn et al.
patent: 4027516 (1977-06-01), Ochodnicky et al.
patent: 4048020 (1977-09-01), Romovacek
Gill James J.
Kontler Peter K.
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