公开(公告)号：US10688558B2

公开(公告)日：2020-06-23

申请号：US16001565

申请日：2018-06-06

Applicant: General Electric Company

Inventor： Ananda Barua ,  Sathyanarayanan Raghavan ,  Ken Salas Nobrega ,  Vadim Bromberg ,  Arunkumar Natarajan

IPC: B22F3/00 ,  B33Y10/00 ,  B33Y40/00 ,  B33Y80/00 ,  B29C64/379 ,  B29C64/165 ,  B28B1/00 ,  C04B35/634 ,  C04B35/638 ,  C04B35/622 ,  C04B35/64

Abstract: A setter assembly for use in additive manufacturing a binder-jet part includes a base, a first setter component having a first setter portion and a second setter portion that may be removably coupled to the first setter portion and a plurality of protrusions disposed on and extending away from a surface of the base. The plurality of protrusions may align the base with the first setter component and enable coupling of the first setter component to the base. The setter assembly also includes a second setter component positioned between the base and the first setter component. The second setter component is disposed on the surface and the first setter component, the second setter component, and the base can be assembled onto a printed part such that at least a portion of the printed part is nested between the first setter component and the second setter component.

公开(公告)号：US20190311758A1

公开(公告)日：2019-10-10

申请号：US15663288

申请日：2017-07-31

Applicant: General Electric Company

Inventor： Ananda Barua ,  Arun Karthi Subramaniyan ,  Changjie Sun ,  Daniel Jason Erno ,  Darren Lee Hallman

IPC: G11C11/22 ,  G11C11/41 ,  H01L27/02 ,  H05K1/02 ,  H01M8/04

Abstract: A unit cell structure is provided. The unit cell structure includes a first section and a second section. The first section defines a first load path and includes a first plurality of first unit cells joined together. The second section defines a second load path separate from the first load path and includes a second plurality of second unit cells joined together, each second unit cell of the second plurality of second unit cells nested within and spaced apart from each first unit cell of the first plurality of first unit cells of the first section.

公开(公告)号：US20180087515A1

公开(公告)日：2018-03-29

申请号：US15278860

申请日：2016-09-28

Applicant: General Electric Company

Inventor： Neelesh Nandkumar Sarawate ,  Larry Steven Rosenzweig ,  Sathyanarayanan Raghavan ,  Changjie Sun ,  Ananda Barua ,  Jinjie Shi

IPC: F04D29/02 ,  F04D29/32 ,  C23C30/00

CPC classification number: F04D29/023 ,  C23C4/11 ,  C23C4/134 ,  C23C30/00 ,  F01D5/284 ,  F01D5/288 ,  F02C3/06 ,  F04D29/324 ,  F05D2230/312 ,  F05D2230/90 ,  F05D2240/303 ,  F05D2240/307 ,  F05D2300/2118 ,  F05D2300/501 ,  F05D2300/506 ,  F05D2300/611 ,  Y02T50/672

Abstract: Coating systems for components of a gas turbine engine, such as a compressor blade tip, are provided. The coating system can include a ceramic material disposed along the compressor blade tip and may be used with a bare compressor casing. The ceramic coating is harder than the bare compressor casing and can reduce the rub ratio thereby increasing the lifetime of the compressor blades. Methods are also provided for applying the coating system onto a compressor blade.

公开(公告)号：US20250093848A1

公开(公告)日：2025-03-20

申请号：US18784327

申请日：2024-07-25

Applicant: General Electric Company

Inventor： Steven Donald Atkinson ,  Panagiotis Tsilifis ,  Ananda Barua ,  Vadim Bromberg

IPC: G05B19/4099

Abstract: A method for predicting distortion of a part during sintering in an additive process includes receiving a computerized representation of a complex geometric part, discretizing the computerized representation of the complex geometric part into a plurality of elements, processing the plurality of elements of the computerized representation of the complex geometric part with a machine-learning model configured to predict a distorted geometry of the complex geometric part in response to a sintering process, wherein the machine-learning model is trained to predict distortion of a set of primitive geometric coupons represented by image data fed into the machine-learning model during training, the set of primitive geometric coupons having fewer geometries than the complex geometric part, the complex geometric part comprises a plurality of geometries corresponding to geometries associated with the set of primitive geometric coupons, and generating a computerized representation of the predicted distorted geometry of the complex geometric part.

公开(公告)号：US12103227B2

公开(公告)日：2024-10-01

申请号：US17743674

申请日：2022-05-13

Applicant: General Electric Company

Inventor： Daniel Jason Erno ,  Arunkumar Natarajan ,  Ken Ivcar Salas Nobrega ,  Ananda Barua

IPC: B22F10/68 ,  B22F3/24 ,  B22F10/14 ,  B22F10/28 ,  B22F10/40 ,  B28B1/00 ,  B28B11/22 ,  B29C64/153 ,  B29C64/35 ,  B29C64/393 ,  B33Y10/00 ,  B33Y40/00 ,  B33Y40/20 ,  B33Y50/02 ,  B33Y80/00

CPC classification number: B29C64/153 ,  B22F3/24 ,  B22F10/14 ,  B22F10/28 ,  B22F10/40 ,  B22F10/68 ,  B28B1/001 ,  B28B11/22 ,  B29C64/35 ,  B29C64/393 ,  B33Y10/00 ,  B33Y40/00 ,  B33Y40/20 ,  B33Y50/02 ,  B33Y80/00 ,  B22F2003/247 ,  B22F2202/01 ,  Y10T428/12014 ,  Y10T428/12063 ,  Y10T428/12076 ,  B22F2999/00 ,  B22F10/28 ,  B22F5/10 ,  B22F5/003 ,  B22F2998/10 ,  B22F5/10 ,  B22F10/68 ,  B22F2999/00 ,  B22F3/24 ,  B22F10/68 ,  B22F2202/01

Abstract: An article of manufacture includes a part structure formed via a first additive manufacturing process and a floating structure within the part structure which is mechanically decoupled from the part structure. The floating structure is formed concurrently with the part structure via the first additive manufacturing process.

公开(公告)号：US20240133297A1

公开(公告)日：2024-04-25

申请号：US17973198

申请日：2022-10-24

Applicant: GENERAL ELECTRIC COMPANY

Inventor： Ananda Barua ,  Changjie Sun ,  Christopher Edward Wolfe ,  John Matthew Sassatelli

IPC: F01D5/00 ,  B23P6/00

CPC classification number: F01D5/005 ,  B23P6/007 ,  F05D2230/10 ,  F05D2230/22

Abstract: A method of manufacturing an erosion-shielded turbine blade includes providing a turbine blade for use with a rotary machine. The turbine blade includes an airfoil extending between a root and a tip. The airfoil includes a pressure side and an opposite suction side, and each of the pressure and suction sides extends between a leading edge and a trailing edge. The method also includes printing a green body part by an additive manufacturing process by selectively depositing a binder solution across a particulate erosion-resistant material, and sintering the green body part to produce a post-sintering erosion shield that includes densified erosion-resistant material. The method also includes coupling the erosion shield to the leading edge of the turbine blade.

公开(公告)号：US11919233B2

公开(公告)日：2024-03-05

申请号：US17889852

申请日：2022-08-17

Applicant: General Electric Company

Inventor： Mary Kathryn Thompson ,  Arunkumar Natarajan ,  Kwok Pong Chan ,  Vadim Bromberg ,  Xi Yang ,  Ananda Barua ,  William C. Alberts

IPC: B29C64/165 ,  B29C64/209 ,  B29C64/336 ,  B29K105/00 ,  B33Y10/00

CPC classification number: B29C64/165 ,  B29C64/209 ,  B29C64/336 ,  B33Y10/00 ,  B29K2105/0002 ,  B29K2105/0073 ,  B29K2995/0082

Abstract: Various embodiments provide a method of additively manufacturing a part including depositing a layer of a powder on a working surface, depositing a binder solution on the layer of the powder at first locations, and depositing a sintering aid solution on the layer of the powder at second locations. The sintering aid solution comprises a sintering aid in a solvent. In various embodiments, the sintering aid enables an increased brown strength as compared to parts containing unbound powder. The method enables binders that provide high green strength to be used at the edges of the part, while also balancing a shortened debind time with an increased brown strength. Embodiments in which binder solution is deposited according to a predetermined pattern at second locations are also described.

公开(公告)号：US11787120B2

公开(公告)日：2023-10-17

申请号：US17092524

申请日：2020-11-09

Applicant: GENERAL ELECTRIC COMPANY

Inventor： Ananda Barua

IPC: B29C64/393 ,  G01N3/08 ,  B29C64/153 ,  B22F10/80 ,  B33Y50/02

CPC classification number: B29C64/393 ,  B29C64/153 ,  G01N3/08 ,  B33Y50/02

Abstract: A method of predicting a post-sintering geometry of a green body part includes determining stress differentiating material properties of a material configuration of the green body part by physically measuring the stress differentiating material properties of the material configuration and identifying a plurality of stress regions in the green body part via a first sintering analysis of the green body part. Each stress region is associated with a portion of the green body part subjected to a particular stress state during sintering. The method also includes assigning different sets of stress differentiating material properties to each of the plurality of stress regions to form a stress-simulated green body part and predicting the post-sintering geometry via a second sintering analysis of the stress-simulated green body part.

公开(公告)号：US20220245304A1

公开(公告)日：2022-08-04

申请号：US17162219

申请日：2021-01-29

Applicant: GENERAL ELECTRIC COMPANY

Inventor： Yongxiang Wang ,  Ananda Barua

IPC: G06F30/23 ,  G06T17/20 ,  B29C64/386 ,  B29C64/153

Abstract: A system includes a memory module configured to store a computer model of a part for manufacturing with an additive manufacturing machine, and a processor communicatively coupled to the memory module. The processor is configured to receive the computer model, discretize the computer model into a mesh, predict a deformation behavior the plurality of nodes of the mesh under a simulated sintering process, determine a buckling factor for the part based on the predicted deformation behavior of the mesh, determine whether the buckling factor exceeds a threshold, in response to determining that the buckling factor exceeds the threshold, export the computer model to the additive manufacturing machine for pre-build processing, and in response to determining that the buckling factor does not exceeds the threshold, output, to a display of the system, at least one of an alert that the part is unstable or the buckling factor.

公开(公告)号：US11000900B2

公开(公告)日：2021-05-11

申请号：US16891294

申请日：2020-06-03

Applicant: General Electric Company

Inventor： Ananda Barua ,  Sathyanarayanan Raghavan ,  Ken Salas Nobrega ,  Vadim Bromberg ,  Arunkumar Natarajan

IPC: B33Y10/00 ,  B29C64/379 ,  B29C64/165 ,  B28B1/00 ,  B22F10/00 ,  B33Y40/00 ,  B33Y80/00 ,  C04B35/622 ,  C04B35/634 ,  C04B35/638 ,  C04B35/64

Abstract: A method includes assembling a setter assembly onto a binder-jet printed part, wherein the setter assembly includes a base, a top setter, a bottom setter positioned between the base and the top setter, and a support pin extending between the base and the top setter having a terminus that abuts an inward facing surface of the top setter, such that at least portion of the binder-jet printed part is nested between the top setter and the bottom setter. The method includes heating the binder-jet printed part and the setter assembly to debind or sinter the binder-jet printed part, wherein a length of the support pin decreases in response to the heating to move the top setter toward the base.