Measuring and testing – Liquid analysis or analysis of the suspension of solids in a... – Viscosity
Patent
1995-10-16
1996-10-15
Williams, Hezron E.
Measuring and testing
Liquid analysis or analysis of the suspension of solids in a...
Viscosity
73 5435, 7386208, G01N 1116, G01N 1114, G01M 1900
Patent
active
055656218
ABSTRACT:
Exemplary stacked component tapered bearing simulator device, the principles of which can be applied more broadly in such instrumentation as dynamometers and viscometers, can have a stator block with a sample receiving bore; a rotor complementary to the stator block bore extending axially into the bore to define a thin measuring gap, the rotor having a drive shaft extending axially upward from it; a motor, which can rotate in response to torque from a test sample present in the thin gap and which drives the shaft and rotor along a rotation axis; a part for sensing the torque, fixable to the motor, and connectable to a platform that is vertically adjustable by an elevator mechanism, which generally, externally bounds the axis of rotation of the motor, drive shaft, and rotor. Preferably, the elevator mechanism has a threaded arrangement with an anti-rotation device with a first set of threads residing with the platform, which is restrained from rotating by the anti-rotation device but is allowed to move vertically, and a second set of threads for mating with the first set of threads residing with at least one rotatable member separate from but threadedly engagable with the set of platform threads.
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ASTM D 4683-90.
Hydrick, Lubricants World, Dec. 1994, pp. 7, 10-11 & 14.
Tannas Co., Catalog, Midland, Mich., 1994, pp. 2 & 3.
Miiller Gregory C.
Selby Theodore W.
Rudy Christopher John
Tannas Co.
Wiggins J. David
Williams Hezron E.
Yates William Miller
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