Integrated fan drive system for cooling tower
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United States of America Patent
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Dec 3, 2013
Issued Date -
N/A
app pub date -
Jan 19, 2012
filing date -
Oct 10, 2007
priority date (Note) -
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Abstract
A drive system for driving a fan in a wet cooling tower, wherein the fan has a fan hub and fan blades attached to the fan hub. The drive system has a high-torque, low speed permanent magnet motor having a motor casing, a stator and a rotatable shaft, wherein the rotatable shaft is configured for connection to the fan hub. The drive system includes a variable frequency drive device to generate electrical signals that effect rotation of the rotatable shaft of the motor in order to rotate the fan.
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