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11.发明公开公开(公告)号：US20240230249A9
公开(公告)日：2024-07-11
申请号：US17971022
申请日：2022-10-21
Applicant: General Electric Company
Inventor： Daniel Jason Erno , Sathyanarayanan Raghavan
CPC classification number: F28F7/02 , B33Y80/00 , F28D7/0008 , F28D2021/004
Abstract: An additively manufactured heat exchanger assembly formed of a lattice structure with a plurality of shell structure unit cells. The plurality of shell structure unit cells each include at least one junction and a plurality of connectors coupled to the junction. The junction and the plurality of connectors form an integral surface. The heat exchanger assembly further includes a fluid boundary wall defined within the lattice structure to define an active heat exchanger portion. The active heat exchanger portion includes at least one working fluid contained within the fluid boundary wall. Further, at least one of the plurality of shell structure unit cells extends through and beyond the fluid boundary wall. Further, the shell structure unit cells may be isotropic.
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12.发明公开公开(公告)号：US20240133641A1
公开(公告)日：2024-04-25
申请号：US17971022
申请日：2022-10-20
Applicant: General Electric Company
Inventor： Daniel Jason Erno , Sathyanarayanan Raghavan
CPC classification number: F28F7/02 , B33Y80/00 , F28D7/0008 , F28D2021/004
Abstract: An additively manufactured heat exchanger assembly formed of a lattice structure with a plurality of shell structure unit cells. The plurality of shell structure unit cells each include at least one junction and a plurality of connectors coupled to the junction. The junction and the plurality of connectors form an integral surface. The heat exchanger assembly further includes a fluid boundary wall defined within the lattice structure to define an active heat exchanger portion. The active heat exchanger portion includes at least one working fluid contained within the fluid boundary wall. Further, at least one of the plurality of shell structure unit cells extends through and beyond the fluid boundary wall. Further, the shell structure unit cells may be isotropic.
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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.
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公开(公告)号：US10940535B2
公开(公告)日：2021-03-09
申请号：US16003988
申请日：2018-06-08
Applicant: General Electric Company
Inventor： Ananda Barua , Sathyanarayanan Raghavan , Ken Salas Nobrega , Arunkumar Natarajan , Vadim Bromberg , Raymond Floyd Martell , Meghan J. Borz
Abstract: A binder jet printed article includes a part having a top portion, a bottom portion, and an overhang extending from the top portion and a support structure formed around the part that may block deformation of the part during post-printing thermal processing. The support structure includes a skid positioned adjacent to the bottom portion that may support the part, a first plurality of support features disposed along an outer perimeter of the skid, and a second plurality of support features disposed on the top portion of the printed part. The first and second plurality of support features form a lattice around the printed part such that the printed part is nested within the support structure.
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公开(公告)号：US20200248559A1
公开(公告)日：2020-08-06
申请号：US16263596
申请日：2019-01-31
Applicant: General Electric Company
Inventor： Sathyanarayanan Raghavan , Gautam Suresh Naik , Prabhjot Singh , Zachary John Snider , Changjie Sun
Abstract: A turbine shroud for turbine systems are disclosed. The shrouds may include a unitary body including a support portion coupled directly to a turbine casing of the turbine system, and forward hook(s) and aft hook(s) formed integral with the support portion. The unitary body may also include an intermediate portion formed integral with and extending from the support portion. The intermediate portion may include a non-linear segment extending from the support portion, and a forward segment formed integral with the non-linear segment. The forward segment of the intermediate portion may be positioned axially upstream of the forward hook(s). Additionally the unitary body may include a seal portion formed integral with the intermediate portion, opposite the support portion. The seal portion may include a forward end formed integral with the intermediate portion. The forward end may be positioned axially upstream of the forward hook(s).
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Patent Agency Ranking
公开(公告)号：US20190375006A1
公开(公告)日：2019-12-12
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 , B33Y40/00 , B33Y80/00 , B33Y10/00 , B29C64/165 , B29C64/379 , B28B1/00 , C04B35/622 , C04B35/634 , C04B35/638 , 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.
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公开(公告)号：US11308249B2
公开(公告)日：2022-04-19
申请号：US16457147
申请日：2019-06-28
Applicant: General Electric Company
Inventor： Sathyanarayanan Raghavan , Ananda Barua , Evan Dozier , Joseph Block , Brendon Leary , Prabhjot Singh , Arvind Rangarajan , Changjie Sun , Dean Robinson
IPC: G06F30/20 , B29C64/393 , B29C64/40 , B33Y40/00 , B33Y50/02 , G06F119/08 , G06F119/18
Abstract: A method, medium, and system to receive a specification defining a model of a part to be produced by an additive manufacturing (AM) process; execute an AM simulation on the model of the part to determine a prediction of thermal distortions to the part; execute a topology optimization (TO) to create TO supports that counteract the predicted thermal distortions; generate at least one rule-based support based on a geometry of the part to interface with the part at one or more regions other than the TO supports; combining the TO supports and the at least one rule-based support to generate a set of hybrid supports; save a record of the set of hybrid supports; and transmit the record of the set of hybrid supports to an AM controller to control an AM system to generate a support structure for an AM production of the part.
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18.发明申请公开(公告)号：US20220032549A1
公开(公告)日：2022-02-03
申请号：US16943793
申请日：2020-07-30
Applicant: General Electric Company
Inventor： Brian Scott McCarthy , Aymeric Moinet , Evan John Dozier , Sathyanarayanan Raghavan , Michael Evans Graham , Tyler Nathaniel Nelson , Rajesh Kartik Bollapragada
IPC: B29C64/393 , B33Y10/00 , B33Y30/00 , B33Y50/02
Abstract: An additive manufacturing system includes a control system communicatively coupled to a consolidation device and configured to control operation of the consolidation device. The control system is configured to generate a model of a component. The model includes a plurality of elements and at least one region of interest. The control system is also configured to apply a strain load to at least one element of the plurality of elements and generate a build characteristic contribution profile for at least one element of the plurality of elements. The build characteristic contribution profile represents an effect of the strain load applied to the at least one element on a build characteristic of at least one location within the at least one region of interest. The control system is further configured to adjust a build parameter for a location within the component relating to the at least one element of the plurality of elements based on the build characteristic contribution profile.
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公开(公告)号：US11182520B2
公开(公告)日：2021-11-23
申请号：US16456333
申请日：2019-06-28
Applicant: General Electric Company
Inventor： Sathyanarayanan Raghavan , Ananda Barua , Prabhjot Singh , Arvind Rangarajan , Changjie Sun , Dean Robinson
IPC: G06F30/20 , B29C64/393 , B29C64/40 , B33Y40/00 , B33Y50/02 , G06F119/08 , G06F119/18
Abstract: A method, medium, and system to execute an additive manufacturing (AM) simulation on a model of a part; determine, based on the AM simulation, a prediction of a temperature and displacement distribution in the part at a particular time in the AM process; apply the predicted temperature and displacement distributions in the part as a boundary conditions on a support design space to determine a temperature distribution throughout the support design space; and execute a thermal-structural topology optimization based on the determined temperature and displacement distributions throughout the support design space to determine a distribution of material in the design space for a thermal support structure to interface with the part that optimally reduces a thermal gradient in the part with a minimum of material and results in the generation of an optimized AM support structure.
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公开(公告)号：US10927693B2
公开(公告)日：2021-02-23
申请号：US16263596
申请日：2019-01-31
Applicant: General Electric Company
Inventor： Sathyanarayanan Raghavan , Gautam Suresh Naik , Prabhjot Singh , Zachary John Snider , Changjie Sun
Abstract: A turbine shroud for turbine systems may include a unitary body including a support portion coupled directly to a turbine casing of the turbine system, and forward hook(s) and aft hook(s) formed integral with the support portion. The unitary body may also include an intermediate portion formed integral with and extending from the support portion. The intermediate portion may include a non-linear segment extending from the support portion, and a forward segment formed integral with the non-linear segment. The forward segment of the intermediate portion may be positioned axially upstream of the forward hook(s). Additionally the unitary body may include a seal portion formed integral with the intermediate portion, opposite the support portion. The seal portion may include a forward end formed integral with the intermediate portion. The forward end may be positioned axially upstream of the forward hook(s).
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