Method and apparatus for balancing gas turbine engines

Details Method and apparatus for balancing gas turbine engines Method and apparatus for balancing gas turbine engines

2004-12-21

2008-05-13

Look, Edward K. (Department: 3745)

Rotary kinetic fluid motors or pumps

With sound or vibratory wave absorbing or preventing means...

C416S144000, C416S500000

Reexamination Certificate

active

07371042

ABSTRACT:
A method, system, and balanced rotating assembly are provided for field balancing an assembly including a power turbine. The method, system and assembly includes coupling the power turbine to a load, identifying a first balancing plane that is aft of the power turbine, and identifying a second balancing plane that is forward of the power turbine. A balancing correction is determined at each of the first and second balancing planes. A balance weight is mounted at the first balancing plane based on the balancing correction determined for the first balancing plane, and a balance weight is mounted at the second balancing plane based on the balancing correction determined for the second balancing plane, wherein each balance weight is coupled to at least two respective bolt head without removing the bolts.

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Search Report; Place of Search—Munich; Reference No. 134519/11195; Application No./Patent No. 05257856.4-2315; Dated Dec. 22, 2006; 6 pgs.

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