公开(公告)号：US11035248B1

公开(公告)日：2021-06-15

申请号：US16693856

申请日：2019-11-25

Applicant: General Electric Company

Inventor： Zachary John Snider ,  Evan John Dozier ,  Claire Fridtjof Lang

IPC: F01D11/08 ,  F01D25/12 ,  B24C1/10 ,  B24C3/32

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.

公开(公告)号：US20190176232A1

公开(公告)日：2019-06-13

申请号：US15836337

申请日：2017-12-08

Applicant: General Electric Company

Inventor： Evan John Dozier ,  Rajendra Madhukar Kelkar

IPC: B22F3/105 ,  B22F1/00 ,  B22F3/15 ,  G06F17/50 ,  B33Y50/02

Abstract: A structure is provided. The structure defines a first direction, a second direction, and a third direction, the three directions orthogonal to each other. The structure includes a first section, a second section, and a third section. The first section includes a plurality of unit cells joined together, wherein the first section has a first average tensile strength and a first average crack growth resistance. The second substantially solid section is within and surrounding each unit cell of the plurality of first section unit cells, wherein the second section has a second average tensile strength and a second average crack growth resistance, the second average tensile strength different from the first average tensile strength and the second average crack growth resistance different from the first average crack growth resistance. The third section surrounds the first section and the second section.