B - Operations – Transporting – 23 – P
Patent
B - Operations, Transporting
23
P
B23P 6/00 (2006.01) H02K 1/26 (2006.01) F01D 5/02 (2006.01)
Patent
CA 2630192
Disclosed is a method of repairing at least one side of a dovetail portion (32) of a generator slot wall (28). The dovetail portion (32) of the slot wall (28) is receptive of at least two adjacent slot wedges (18), and the dovetail portion (32) includes a radial entry surface, an inwardly tapered surface, and an intermediate radial surface. The method includes forming at least one repair groove (36) at least partly along the inwardly tapered surface and in a radial direction along the radial entry surface. The forming removes material from the slot wall (28). At least two adjacent slot wedges (18) are replaced with at least two repair wedges (38). The at least two repair wedges (38) have a butt joint (30) between the adjacent repair wedges (38) and the butt joint (30) is located between adjacent repair grooves.
Company General Electric
Craig Wilson And Company
LandOfFree
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