公开(公告)号：US20240149526A1

公开(公告)日：2024-05-09

申请号：US18313901

申请日：2023-05-08

Applicant: GE Avio S.R.L.

Inventor： Agostino Scialpi ,  Edoardo Maria Peradotto ,  Giuseppe Greco

IPC: B29C64/218 ,  B29C64/153 ,  B29C64/295

CPC classification number: B29C64/218 ,  B29C64/153 ,  B29C64/295 ,  B33Y30/00

Abstract: Methods, apparatus, systems, and articles of manufacture are disclosed to generate a tailored grain size in an additive manufacturing environment. Disclosed herein is an apparatus comprising controller circuitry to determine a configuration for manufacture of a part, the part having a first portion and a second portion, an additive manufacturing machine to manufacture the part according to the configuration, and a force application device to apply a force to the part during manufacture, the force specified in the configuration to produce a desired grain size, the desired grain size including a first grain size and a second grain size, wherein the first portion is formed with the first grain size and the second portion is formed with the second grain size.

公开(公告)号：US11566532B2

公开(公告)日：2023-01-31

申请号：US17471373

申请日：2021-09-10

Applicant: GE Avio S.r.l.

Inventor： Agostino Scialpi ,  Daniele Coutandin ,  Matteo Renato Usseglio ,  Giuseppe Greco

IPC: F01D11/24 ,  B33Y80/00 ,  F01D11/18 ,  F01D25/14

Abstract: A turbine clearance control system is provided. The turbine clearance control system includes a cooling air source and a turbine casing surrounding a portion of a turbine, wherein the turbine casing defines an integral cooling duct within the turbine casing, the integral cooling duct including apertures on an interior surface of the turbine casing.

公开(公告)号：US20220178267A1

公开(公告)日：2022-06-09

申请号：US17471373

申请日：2021-09-10

Applicant: GE Avio S.r.l.

Inventor： Agostino Scialpi ,  Daniele Coutandin ,  Matteo Renato Usseglio ,  Giuseppe Greco

IPC: F01D11/24 ,  B33Y80/00 ,  F01D11/18 ,  F01D25/14

Abstract: A turbine clearance control system is provided. The turbine clearance control system includes a cooling air source and a turbine casing surrounding a portion of a turbine, wherein the turbine casing defines an integral cooling duct within the turbine casing, the integral cooling duct including apertures on an interior surface of the turbine casing.