Drive unit for a granulator
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United States of America Patent
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N/A
Issued Date -
N/A
app pub date -
Oct 11, 2005
filing date -
Apr 9, 2003
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A drive unit for a granulator, in particular an underwater granulator, includes a rotor that is, or can be, connected to a cutting blade of the granulator. The unit is equipped with an electric motor for driving the rotor and radial bearings for supporting the rotor in a housing, in addition to a device for applying an axial force, which presses the cutting blade against a cutting plate during operation. An axial force is applied in as simple a manner as possible with the least possible wear and tear by using a device for applying an axial force that includes at least one magnetic axial bearing, having a first axial bearing part, which is fixed in the housing of the drive unit, and co-operates with an axial bearing part that is displaceably, mounted in the rotor.
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