System for balancing loads on a thrust bearing of a gas turbine

Details System for balancing loads on a thrust bearing of a gas turbine System for balancing loads on a thrust bearing of a gas turbine

1996-01-02

1998-06-02

Noland, Thomas P.

Measuring and testing

Instrument proving or calibrating

Dynamometer

415 20, 415104, 36457105, 701100, G01L 2500

Patent

active

057602891

ABSTRACT:
A process for periodically calibrating an algorithm in a control unit of a system for balancing loads on a thrust bearing of a gas turbine engine rotor is disclosed involving the steps of initializing a calibration of the control unit algorithm, causing the engine to attain a crossover condition, measuring the residual load on the rotor thrust bearing, calculating a residual load on the rotor thrust bearing by means of the control unit algorithm, comparing the measured residual load and the calculated residual load on the rotor thrust bearing to determine a difference therebetween, and modifying the control unit algorithm to compensate for the difference between the measured and calculated residual loads on the rotor thrust bearing.

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