Magnetic alignment system for scraped-surface heat exchanger and method
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United States of America Patent
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-
Aug 4, 2009
Grant Date -
May 19, 2005
app pub date -
Nov 19, 2003
filing date -
Nov 19, 2003
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A magnetically aligned scraped-surface heat exchanger and method are provided. A stator includes electromagnetic elements, such as solenoids. A rotor, attached to a shaft of the heat exchanger, rotates within the stator. Sensors detect the position of the rotor, such as a radial or an axial position. The position data is provided to the control circuit. When the position of the rotor is to be re-aligned or adjusted, the control circuit activates or de-activates one or more of the solenoids of the stator to alter or complete a magnetic field through the rotor to re-align the rotor and the shaft attached thereto.
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