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    QUENCH PROTECTION APPARATUS FOR SUPERCONDUCTING MAGNET SYSTEM
    1.
    发明申请
    QUENCH PROTECTION APPARATUS FOR SUPERCONDUCTING MAGNET SYSTEM 审中-公开

    公开(公告)号：US20170250018A1

    公开(公告)日：2017-08-31

    申请号：US15519773

    申请日：2015-10-09

    Applicant: General Electric Company

    Inventor： Minfeng Xu ,  Evangelos Laskaris ,  Weijun Shen ,  Jian-She Wang ,  Anbo Wu ,  Ye Bai ,  Yunxing Song

    IPC: H01F6/02 ,  H01F6/04 ,  G01R33/3815 ,  H01F6/06

    CPC classification number: H01F6/02 ,  G01R33/3815 ,  H01F6/04 ,  H01F6/06

    Abstract: A quench protection apparatus includes a number N of superconducting coils and a heater matrix. The number N of superconducting coils are electrically coupled in series. The heater matrix module includes the number N of heater units. The number N of heater units is electrically coupled in parallel with the number N of superconducting coils respectively. A number M of the heater units each includes at least the number N of heaters. Each superconducting coil is thermally coupled with at least one heater of each of the number M of the heater units. The number of N-M of the heater units each includes at least one heater. Each of the number M of superconducting coils correspondingly coupled with the number M of the heater units is thermally coupled with at least one heater of each of the number N-M of the heater units. A superconducting magnet system protected by above quench protection apparatus is also provided.

    Systems and methods for cooling a superconducting switch using dual cooling paths
    2.
    发明授权
    Systems and methods for cooling a superconducting switch using dual cooling paths 有权

    公开(公告)号：US11309110B2

    公开(公告)日：2022-04-19

    申请号：US16289182

    申请日：2019-02-28

    Applicant: General Electric Company

    Inventor： Susumu Mine ,  Ye Bai ,  Anbo Wu ,  Minfeng Xu ,  Paul St. Mark Shadforth Thompson

    IPC: H01F6/04 ,  G01R33/3815 ,  H01F6/00

    Abstract: A persistent current switch system is presented. One embodiment of the persistent current switch system includes a vacuum chamber having a winding unit and dual cooling paths. The dual cooling paths are configured to circulate a coolant flow. The dual cooling paths are defined by a first cooling path and a second cooling path. The first cooling path includes a solid thermal component disposed in direct contact with the winding unit and the second cooling path includes a cooling tube disposed in direct contact with the winding unit and configured to circulate a coolant therein. The dual cooling paths cool the temperature of the winding unit below the threshold temperature to transition the persistent current switch system from the first mode to the second mode. A method of for cooling a winding unit in a persistent current switch system and a switching system including dual cooling paths are also disclosed.

    SYSTEMS AND METHODS FOR ELECTRON BEAM FOCUSING IN ELECTRON BEAM ADDITIVE MANUFACTURING
    3.
    发明申请
    SYSTEMS AND METHODS FOR ELECTRON BEAM FOCUSING IN ELECTRON BEAM ADDITIVE MANUFACTURING 有权

    公开(公告)号：US20220037105A1

    公开(公告)日：2022-02-03

    申请号：US16944836

    申请日：2020-07-31

    Applicant: General Electric Company

    Inventor： John Scott Price ,  Ye Bai ,  Antonio Caiafa ,  Vasile Bogdan Neculaes ,  Uwe Wiedmann

    IPC: H01J29/68 ,  B29C64/273 ,  H01J37/30 ,  B29C64/153

    Abstract: A system for melting, sintering, or heat treating a material is provided. The system includes a cathode, an anode, and a focus coil assembly having a quadrupole magnet. The quadrupole magnet includes four poles and a yoke. The four poles are spaced apart and surround a beam cavity. Each of the four poles includes a pole face proximate the beam cavity and an end opposite the pole face. The first and third poles are aligned along an x-axis and configured to have a first magnetic polarity at their respective pole faces and a second magnetic polarity opposite the first magnetic polarity at their respective ends. The second and fourth poles are aligned along a y-axis and configured to have the second magnetic polarity at their respective pole faces and the first magnetic polarity at their respective ends. The yoke surrounds the poles and is coupled to the poles.

    Current lead for cryogenic apparatus
    4.
    发明授权
    Current lead for cryogenic apparatus 有权
    当前铅低温装置

    公开(公告)号：US09552906B1

    公开(公告)日：2017-01-24

    申请号：US14841746

    申请日：2015-09-01

    Applicant: GENERAL ELECTRIC COMPANY

    Inventor： Susumu Mine ,  Evangelos Trifon Laskaris ,  Minfeng Xu ,  Ye Bai

    IPC: H01B12/04 ,  H01B12/16 ,  G01R15/20 ,  G05B11/01

    CPC classification number: G05B11/01 ,  G01R15/202 ,  H01F6/065 ,  H02G15/34 ,  Y02E40/648

    Abstract: In embodiments of the invention, a superconductor lead is configured to have less ohmic heating by its own current and less heat conduction from room temperature to cryogenic temperature, where a cryogenic apparatus is located. The superconducting lead with no ohmic resistance and low thermal conductivity disclosed herein maximizes current capacity by placing superconductors in parallel, each having equal current. Thus, the resistances are controlled to provide uniform current distribution through each superconductor of the high temperature superconducting (HTS) lead.

    Abstract translation: 在本发明的实施例中，超导体引线被配置为通过其自身电流具有较小的欧姆加热，并且在室温至低温温度下具有较少的热传导，其中定位有低温设备。 本文公开的不具有欧姆电阻和低热导率的超导引线通过平行放置超导体而各自具有相等的电流来最大化电流容量。 因此，控制电阻以通过高温超导（HTS）引线的每个超导体提供均匀的电流分布。

    Systems and methods for electron beam focusing in electron beam additive manufacturing
    5.
    发明授权
    Systems and methods for electron beam focusing in electron beam additive manufacturing 有权

    公开(公告)号：US12148592B2

    公开(公告)日：2024-11-19

    申请号：US18497508

    申请日：2023-10-30

    Applicant: General Electric Company

    Inventor： John Scott Price ,  Ye Bai ,  Antonio Caiafa ,  Vasile Bogdan Neculaes ,  Uwe Wiedmann

    IPC: H01J29/68 ,  B29C64/153 ,  B29C64/273 ,  H01J37/30 ,  H01J37/305 ,  B33Y30/00

    Abstract: A system for melting, sintering, or heat treating a material is provided. The system includes a cathode, an anode, and a focus coil assembly having a quadrupole magnet. The quadrupole magnet includes four poles and a yoke. The four poles are spaced apart and surround a beam cavity. Each of the four poles includes a pole face proximate the beam cavity and an end opposite the pole face. The first and third poles are aligned along an x-axis and configured to have a first magnetic polarity at their respective pole faces and a second magnetic polarity opposite the first magnetic polarity at their respective ends. The second and fourth poles are aligned along a y-axis and configured to have the second magnetic polarity at their respective pole faces and the first magnetic polarity at their respective ends. The yoke surrounds the poles and is coupled to the poles.

    Quench protection apparatus for superconducting magnet system
    9.
    发明授权
    Quench protection apparatus for superconducting magnet system 有权

    公开(公告)号：US10586638B2

    公开(公告)日：2020-03-10

    申请号：US15519773

    申请日：2015-10-09

    Applicant: General Electric Company

    Inventor： Minfeng Xu ,  Evangelos Laskaris ,  Weijun Shen ,  Jianshe Wang ,  Anbo Wu ,  Ye Bai ,  Yunxing Song

    IPC: H01F6/02 ,  G01R33/3815 ,  H01F6/04 ,  H01F6/06

    Abstract: A quench protection apparatus includes a number N of superconducting coils and a heater matrix. The number N of superconducting coils are electrically coupled in series. The heater matrix module includes the number N of heater units. The number N of heater units is electrically coupled in parallel with the number N of superconducting coils respectively. A number M of the heater units each includes at least the number N of heaters. Each superconducting coil is thermally coupled with at least one heater of each of the number M of the heater units. The number of N-M of the heater units each includes at least one heater. Each of the number M of superconducting coils correspondingly coupled with the number M of the heater units is thermally coupled with at least one heater of each of the number N-M of the heater units. A superconducting magnet system protected by above quench protection apparatus is also provided.

    MAGNETIC CELL ISOLATION TECHNIQUES
    10.
    发明申请
    MAGNETIC CELL ISOLATION TECHNIQUES 审中-公开

    公开(公告)号：US20190169594A1

    公开(公告)日：2019-06-06

    申请号：US15829615

    申请日：2017-12-01

    Applicant: General Electric Company

    Inventor： Xiaohua Zhang ,  Susumu Mine ,  Ye Bai ,  Reginald Smith ,  Minfeng Xu ,  Weston Griffin ,  Kenneth Conway

    IPC: C12N13/00 ,  C12M1/00 ,  B03C1/28

    Abstract: Provided are techniques that may include a disposable magnetic cell isolation holder having one or more passages that accommodate a magnetic retention material to facilitate magnetic cell isolation without adjustment of magnetic field parameters between isolation procedures using different magnetic particle sizes. When the magnetic cell isolation holder is coupled to a magnetic field generator, a first passage corresponding to a smaller particle size is positioned in a magnetic field where the magnetic field characteristics are different relative to a second passage, of a second holder or in the same holder, for use with another bead size.

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