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US 8,176,740 B2Granted
Method of refurbishing a seal land on a turbomachine transition piece and a refurbished transition piece
AssigneeGeneral Electric Company
InventorsJere Allen Johnson, Prahlad Kalidas
Life of this patent
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Abstract
A method of refurbishing a seal land on a transition piece of a turbomachine includes applying a wear strip to a wall surface of the seal land, and covering the wear strip with a slot protector.
Claims9
A refurbished transition piece for a turbomachine comprising:
- a main body having a first end that extends to a second end through an intermediate portion;
- a seal land extending about a portion of at least one of the first and second ends, the seal land including first and second opposing side walls joined by a third wall that collectively define a slot, at least one of the first and second opposing side walls and third wall being blended to an even thickness;
- a wear strip formed from a nickel-based alloy welded to at least one of the first, second and third walls;
- and
- a slot protector formed from a cobalt-based alloy welded to the wear strip, the slot protector providing abrasion resistance to the seal land.
2 more elements
Dependencies are inferred from the claim text.