Portable viscometer

Details Portable viscometer Portable viscometer

1994-12-14

1996-04-02

Williams, Hezron E.

Measuring and testing

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

Viscosity

73 5428, G01N 1114

Patent

active

055030033

ABSTRACT:
Viscometer with a spindle (4) mounted on a shaft (8) supported via axially spaced, e.g. three inches, bearings (12,14) and driving a transducer rotary member via a stiff rotationally resilient member, the latter providing substantially all the resistive torque to viscous drag imparted to the spindle by an outer driven rotating member (6) when the spindle and rotating member are immersed in a liquid whose viscosity is to be measured, the viscometer being constructed with a handle (38) that encloses motor drive and electronic components of the viscometer, these features, as a whole, providing explosion protection and portability of the viscometer with sensitivity appropriate to portable usage.

REFERENCES:
patent: 2027903 (1936-01-01), Dintilhac
patent: 2553844 (1951-05-01), Buchdahl et al.
patent: 2643543 (1953-06-01), Herzog
patent: 2660885 (1953-12-01), Evans
patent: 3435666 (1969-04-01), Fann
patent: 3886789 (1975-06-01), Brookfield
patent: 4175425 (1979-11-01), Brookfield
patent: 4448061 (1984-05-01), Brookfield
patent: 4571988 (1986-02-01), Murphy
patent: 5167143 (1992-12-01), Brookfield
Title: Apparatus for Studying the Rheological Behavior of Carbonaceous Materials at Elevated Temperature and Pressure Authors: Garratt, G. W.; Rand, B.; Whitehouse, S. Source: Fuel V 67 N 2 Feb. 1988 P 238-241.

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