Method and apparatus for measuring viscosity

Measuring and testing – Liquid analysis or analysis of the suspension of solids in a... – Viscosity

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7386481, G01N 1100

Patent

active

056168551

ABSTRACT:
An apparatus for measuring viscosity of liquids includes an external chamber (10) which encloses an internal chamber/duct (20) having an inlet (21) and an outlet (22). Internal chamber (20) houses a fan (30) for forcing air through the duct, a heater (40) for heating air to a desired temperature, a thermal ballast (50) for maintaining the temperature of the air in the duct constant, and a viscometer (72) for measuring viscosity of liquids.

REFERENCES:
patent: 1549898 (1925-08-01), Bader
patent: 2227938 (1941-01-01), Krebs
patent: 3071961 (1963-01-01), Heigl et al.
patent: 3798960 (1974-03-01), Glass
patent: 3992150 (1976-11-01), Retzer
patent: 4495149 (1985-01-01), Iwata et al.
patent: 4530234 (1985-07-01), Cullick et al.

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