Solid material comminution or disintegration – Processes – Miscellaneous
Patent
1982-02-22
1984-06-19
Rosenbaum, Mark
Solid material comminution or disintegration
Processes
Miscellaneous
241 37, 2412592, B02C 714
Patent
active
044549911
ABSTRACT:
An apparatus and method for dynamically monitoring the gap between the refining surfaces of first and second relatively rotating metallic refining members. At least one of the refining members is mounted to a first rotatable shaft which is supported in a housing by lubricated bearing means. When the refining members are in rotating relation, an electrical impedance exists across the gap. The value of the impedance is dependent on the size of the gap. An alternating electrical current is passed through the gap and the voltage across the gap is monitored to provide an indication of the size of the gap. The voltage across the gap can also be used as one input to a circuit which controls the size of the gap by driving an electro/hydraulic system.
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Maguire Joseph M.
Rosenbaum Mark
St. Regis Paper Company
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