Method for balancing rotating machinery

Details Method for balancing rotating machinery Method for balancing rotating machinery

1990-08-02

1992-12-15

Black, Thomas G.

Boots, shoes, and leggings

364508, 73462, G01M 122

Patent

active

051723255

ABSTRACT:
The invention described here provides a method for obtaining the "best" solution to balancing engine vibration where one or more corrective weights are applied to accessible stage of an engine, while other unbalanced stages remain inaccessible, and hence, no balancing weights can be applied there. The method involves placing balancing weights at accessible stages only, but taking into account vibration at such stages which is created by unbalances at the inaccessible stages. The method is practiced by calculating the angular limits for placing a corrective weight onto an engine stage, followed by calculating the minimum and maximum weight magnitude to be placed on the stage so that overall engine vibration remains below a certain desired level (D). Thereafter, the optimum weight and angular position is determined by minimizing D via a procedure of incremental calculations.

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patent: 4926341 (1990-05-01), Guyot
patent: 4984173 (1991-01-01), Imam et al.

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