公开(公告)号：US20180003060A1

公开(公告)日：2018-01-04

申请号：US15198754

申请日：2016-06-30

Applicant: GENERAL ELECTRIC COMPANY

Inventor： Don Mark LIPKIN ,  Todd William DANKO

IPC: F01D5/00 ,  B23P6/04 ,  F01D5/02

CPC classification number: F01D5/005 ,  B23P6/002 ,  B23P6/045 ,  F01D5/02 ,  F01D25/285 ,  F05D2220/32 ,  F05D2230/72 ,  F05D2230/80 ,  Y02T50/672

Abstract: The present invention is directed to in situ methods for maintaining turbine assemblies. One such method includes: disposing a maintenance apparatus on the rotor; positioning the maintenance apparatus proximate to the damaged region by rotating the rotor; and repairing the damaged region by operating a repair tool disposed on the apparatus. Another method includes: disposing a maintenance apparatus on the stator; positioning the damaged region proximate to the maintenance apparatus by rotating the rotor; and repairing the damaged region by operating a repair tool disposed on the apparatus.