US 11,708,770 B2
Turbine casing component and repair method therefor
Krzysztof Dynak, Warsaw (PL); Sharon Trombly Swede, Greenville, SC (US); Junyoung Park, Greenville, SC (US); Marek Miekus, Warsaw (PL); Tomasz Michal Szewczyk, Warsaw (PL); and Robert Lebkowski, Warsaw (PL)
Assigned to General Electric Company, Schenectady, NY (US)
Appl. No. 17/594,369
Filed by General Electric Company, Schenectady, NY (US)
PCT Filed Apr. 13, 2020, PCT No. PCT/US2020/027893
§ 371(c)(1), (2) Date Oct. 13, 2021,
PCT Pub. No. WO2020/214514, PCT Pub. Date Oct. 22, 2020.
Claims priority of application No. 19461528 (EP), filed on Apr. 17, 2019.
Prior Publication US 2022/0220862 A1, Jul. 14, 2022
Int. Cl. F01D 25/00 (2006.01); B23P 6/00 (2006.01); F01D 11/08 (2006.01); F01D 25/24 (2006.01)
CPC F01D 25/005 (2013.01) [B23P 6/007 (2013.01); F01D 11/08 (2013.01); F01D 25/24 (2013.01); F05D 2230/31 (2013.01); F05D 2230/80 (2013.01); F05D 2300/111 (2013.01); F05D 2300/171 (2013.01)] 11 Claims
OG exemplary drawing
 
1. 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.