Viscometer usable in situ in large reactor vessels
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United States of America Patent
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-
Jul 2, 1996
Grant Date -
N/A
app pub date -
Dec 14, 1994
filing date -
Dec 14, 1994
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A viscometer (10) has a spindle (12) mounted on a rotatable shaft (14) which is, in turn, contained in a tubular rotatable shaft (16) which is within a fixed hollow shaft (18). The latter is suspended from a flange (20) that mates with a flange (22) of an access port (24) of a reactor vessel (RV). There is a base for an external tower (21) that carries a motor (M) and gearing (G) to drive the rotatable shafts (14, 16). A torque interconnection between the rotatable shafts allows angular deflection between them and a transducer (28) picks up such deflection.
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