Digital viscometer with frictionless bearing

Details Digital viscometer with frictionless bearing Digital viscometer with frictionless bearing

2005-09-06

2005-09-06

Williams, Hezron (Department: 2856)

Measuring and testing

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

Viscosity

C073S054230, C073S054260, C073S054270, C073S054370, C073S054380

Reexamination Certificate

active

06938464

ABSTRACT:
Viscometer (80) with a sample cup (42) rotatable by a pulley (26) and a timing belt (30) to shear a tested fluid thus imparting torque to a bob (44) mounted on a shaft (10) supported via a frictionless bearing (58), an optical distance sensor assembly (12) measures the distance to an arm (70) which is connected to the top of shaft (10). This distance information is further converted to the viscosity of the tested fluid.

REFERENCES:
patent: 2484761 (1949-10-01), Stock
patent: 3435666 (1969-04-01), Fann
patent: 4062225 (1977-12-01), Murphy, Jr. et al.
patent: 4077252 (1978-03-01), Stutz et al.
patent: 4175425 (1979-11-01), Brookfield
patent: 5535619 (1996-07-01), Brookfield
patent: 5763766 (1998-06-01), Robinson

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