Device for on-line automatic fluid injection balancing system

Details Device for on-line automatic fluid injection balancing system Device for on-line automatic fluid injection balancing system

1991-08-09

1994-08-30

Black, Thomas G.

Boots, shoes, and leggings

364463, 73468, G06F 1546, G01M 120

Patent

active

053434080

ABSTRACT:
Disclosed is a method and device for automatic dynamic balancing operations on machine lines so as to compensate unbalance in a rotor. Vibration signals of the rotor obtained by a transducer and revolution signals generated by a revolution detector in reaction to the rotor during rotation are fed into a band pass filter and amplifier. The processed signals are then converted into digital signals by means of a digital dynamic balancing close-loop controller. The value and location of unbalance present in the rotor are calculated by a calculating unit. Based on the unbalance value and the speed of revolution of the rotor, whether a suitable amount of fluid is needed to be injected into compensation chambers in the rotor, which is coaxial with the rotor, to eliminate the unbalance of the rotor can be determined. This balancing operation is repeated automatically until the unbalance value is less than a predetermined tolerance value.

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