General Electric Company
Unitary body turbine shrouds including shot peen screens integrally formed therein and turbine systems thereof

Abstract:

Turbine shrouds including shot peen screens integrally formed therein. The shroud may include a unitary body having a support portion coupled directly to a turbine casing of the turbine system, an intermediate portion integral with and extending away from the support portion, and a seal portion integral with the intermediate portion, opposite the support portion. The unitary body may also include an inlet opening(s) formed in the support portion, a plenum(s) in fluid communication with the inlet opening(s), and a cooling passage extending through the seal portion and in fluid communication with the plenum(s). Additionally, the unitary body may include a shot peen screen(s) positioned within the plenum(s) and extending within the intermediate portion. The shot peen screen(s) may include a plurality of voids formed therethrough and may prevents shot from passing through the shot peen screen(s) when performing a shot peening process on the unitary body.