Paper pulp refiner control system and method
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United States of America Patent
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Sep 7, 1999
Grant Date -
N/A
app pub date -
Oct 9, 1998
filing date -
Oct 9, 1997
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A rotary paper pulp refiner system and method includes a rotor having one or more refining elements mounted on a rotating shaft and complimentary non-rotating or stator elements defining with the rotating element a refining gap or gaps through which the paper stock material passes, and which the rotor is mounted for rotation on magnetic bearings that support the rotor shaft for rotation and define the axial and radial running position thereof. Optionally, a movable stator housing wall may also be controlled by a magnetic bearing.
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Cited Art Landscape
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