Patent ID: 9398908
Filing Date: 2016-07-26
CPC Classification: A61B,F04D,F05B,F28C,F28F,H02P,Y02B,Y10S,Y10T

Claim Text:
1. A wet cooling tower for cooling liquids used in a process, comprising: a cooling tower structure; a motor supported by the cooling tower structure and comprising a rotatable shaft, a stator and bearings that locate and support the rotatable shaft; a fan connected to the rotatable shaft of the motor such that rotation of the rotatable shaft causes rotation of the fan; a sensor to measure vibrations of the bearings and output signals representing the measured vibrations; a device to generate electrical signals that cause rotation of the rotatable shaft of the motor at a predetermined rotational speed in order to rotate the fan, the device having an input for receiving control signals representing the predetermined rotational speed; and a computer external to the motor for processing the signals representing the measured vibrations and in response, generating the control signals for input into the device.