Method and apparatus for damping contact oscillations of rotating rolls
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United States of America Patent
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Jul 16, 2002
Issued Date -
N/A
app pub date -
Dec 4, 2000
filing date -
Dec 18, 1996
priority date (Note) -
Expired
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Abstract
In a method and apparatus for damping contact oscillations of rotating rolls in a paper machine, but notably in a coater, the rolls are held endways in bearings. At least two rolls form a nip with each other. The damping is carried out actively and the active stimulation (phase-shifted counteroscillation) acts from outside directly and/or indirectly on at least one bearing point of one of the rolls.
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