METHOD FOR CONTROLLING A REGULATED-ROTATION-SPEED LOW-PRESSURE CENTRIFUGAL FAN
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United States of America Patent
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Issued Date -
Jan 19, 2012
app pub date -
Aug 5, 2010
filing date -
Jul 19, 2010
priority date (Note) -
Abandoned
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Abstract
Method for controlling an automatic stall-prevention of a rotation-speed-regulated centrifugal fan. What is essential in the invention is that the control automatics is controlled by means of the automation system of the process, in which control automatics stalling is detected from a function of the electric current, voltage and frequency going to the motor of the centrifugal fan.
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