Back to results
US 11,708,770 B2Granted
Turbine casing component and repair method therefor
AssigneeGeneral Electric Company
InventorsKrzysztof Dynak, Sharon Trombly Swede, Junyoung Park, Marek Miekus, Tomasz Michal Szewczyk, Robert Lebkowski
Life of this patent
Estimating the term…
Abstract
A casing component is configured to form part of a flow path in a turbine. The casing component includes a base made of nodular cast iron, and a repaired region in the base. The repaired region includes a butter layer applied on the base and a fill layer applied on the butter layer.
Claims11
A casing component configured to form part of a flow path in a turbine, the casing component comprising:
- a base made of nodular cast iron;
- and
- a repaired region in the base, the repaired region comprised of a butter layer applied on the base and a fill layer applied on the butter layer.
A method for repairing a casing component that forms part of a flow path in a turbine, the method comprising:
- applying a butter layer on a base material, the butter layer applied with a first interpass temperature;
- applying a fill layer on the butter layer, the fill layer applied with a second interpass temperature;
- and
- wherein the first interpass temperature is lower than the second interpass temperature.
1 more element
Dependencies are inferred from the claim text.