Methods and apparatus for balancing a rotor

Details Methods and apparatus for balancing a rotor Methods and apparatus for balancing a rotor

2006-06-19

2008-10-14

Lau, Tung S (Department: 2863)

Data processing: measuring, calibrating, or testing

Measurement system

Orientation or position

Reexamination Certificate

active

07437264

ABSTRACT:
A method for balancing a rotor of a rotary machine, wherein the rotor includes at least two rotor blades and a rotor shaft, includes receiving at least one measurement of either a load, an acceleration, or a displacement that pertains to at least one bending moment acting on the rotor shaft, determining at least one value of the at least one bending moment acting on the rotor shaft based, at least in part, on the received at least one measurement, and determining a pitch offset angle value of at least one rotor blade that facilitates reducing the at least one bending moment acting on the rotor shaft.

REFERENCES:
patent: 4589782 (1986-05-01), Park
patent: 4596470 (1986-06-01), Park
patent: 6850821 (2005-02-01), Weitkamp
patent: 2004/0042897 (2004-03-01), Pietricola

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