Disassembly method for a gas turbine

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United States of America Patent

PATENT NO 9776287
APP PUB NO 20150343573A1
SERIAL NO

14727482

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Abstract

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Method for replacing, inspecting, and/or repairing components in front bearing region of gas turbine, the gas turbine having at least one fan module, housing, low-pressure system, and high-pressure system, the low-pressure system having low-pressure compressor, low-pressure turbine, connecting shaft, stub shaft, and an N1 shaft connected to the low-pressure compressor via the stub shaft and the connecting shaft, the connecting shaft supported in the housing via first bearing unit, and the stub shaft supported in the housing via second bearing unit, the method including dismounting the fan module, fixing the N1 shaft in an axial direction relative to the housing using fixing device, and dismounting the stub shaft using guide device, the orientation of which relative to the gas turbine in at least one spatial direction is determined by a component of the remaining gas turbine, this taking place after fixing the N1 shaft and after dismounting the fan module.

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Patent Owner(s)

Patent OwnerAddress
LUFTHANSA TECHNIK AGWEG BEIM JAEGER 193 HAMBURG 22335

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Albert, Rainer Hamburg, DE 40 392
Bobsien, Dennis Quickborn, DE 1 3
Hoehn, Andina Halstenbek, DE 1 3
Pinkowsky, Tanja Hamburg, DE 1 3

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