Continuously operating capillary rheometer apparatus with minimi

Details Continuously operating capillary rheometer apparatus with minimi Continuously operating capillary rheometer apparatus with minimi

1990-07-03

1992-12-22

Williams, Hezron E.

Measuring and testing

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

Viscosity

G01N 1104

Patent

active

051725851

ABSTRACT:
A capillary rheometer for measuring the viscosity of a liquid contained in a vessel in either a continuous or discontinuous fashion provides timely and accurate measures of viscosity. Pressure sensing means are disposed at one or both ends of a capillary. The capillary is fed fluid by a metering pump, which in turn is fed fluid by a supply pump, the inlet of which is configured for attachment with a fluid sampling port of the vessel and the outlet of which is configured to return sample fluid which was not directed through the capillary back to the liquid or the vessel respectively. The output end of the capillary may be connected to a pump for withdrawing fluid from the capillary. The supply pump and the metering pump may be adjusted independently of each other.

REFERENCES:
patent: 2700891 (1955-02-01), Shafer
patent: 3116630 (1964-01-01), Piros
patent: 3559464 (1971-02-01), Foust et al.
patent: 4442704 (1984-04-01), Swearingen
patent: 4817416 (1989-04-01), Blanch et al.
patent: 4932242 (1990-06-01), Kawashima et al.

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