Apparatus and method for measuring viscosity
Patent
·
OSTI ID:865770
The present invention is directed to an apparatus and method for measuring the viscosity of a fluid. This apparatus and method is particularly useful for the measurement of the viscosity of a liquid in a harsh environment characterized by high temperature and the presence of corrosive or deleterious gases and vapors which adversely affect conventional ball or roller bearings. The apparatus and method of the present invention employ one or more flexural or torsional bearings to suspend a bob capable of limited angular motion within a rotatable sleeve suspended from a stationary frame.
- Research Organization:
- N L INDUSTRIES INC
- DOE Contract Number:
- AC04-77ET27144
- Assignee:
- NL Industries, Inc. (New York, NY)
- Patent Number(s):
- US 4571988
- OSTI ID:
- 865770
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
/73/
adversely
adversely affect
affect
angular
apparatus
ball
bearings
bob
capable
characterized
conventional
corrosive
deleterious
directed
employ
environment
flexural
fluid
frame
gases
harsh
limited
liquid
measurement
measuring
method
motion
particularly
particularly useful
presence
roller
roller bearing
roller bearings
rotatable
sleeve
stationary
stationary frame
suspend
suspended
temperature
torsional
useful
vapors
viscosity
adversely
adversely affect
affect
angular
apparatus
ball
bearings
bob
capable
characterized
conventional
corrosive
deleterious
directed
employ
environment
flexural
fluid
frame
gases
harsh
limited
liquid
measurement
measuring
method
motion
particularly
particularly useful
presence
roller
roller bearing
roller bearings
rotatable
sleeve
stationary
stationary frame
suspend
suspended
temperature
torsional
useful
vapors
viscosity