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    COUPLED MAGNET CURRENTS FOR MAGNETIC FOCUSING
    12.
    发明申请
    COUPLED MAGNET CURRENTS FOR MAGNETIC FOCUSING 有权
    磁耦合磁耦合电流

    公开(公告)号：US20150110251A1

    公开(公告)日：2015-04-23

    申请号：US14061509

    申请日：2013-10-23

    Applicant: General Electric Company

    Inventor： Uwe Wiedmann ,  Antonio Caiafa ,  Dominique Poincloux

    IPC: H01J35/14

    CPC classification number: H01J35/14

    Abstract: Issues related to maintaining the size of a focal spot on the target material of an X-ray source are addressed by linking the currents used in a magnetic focusing system employed in the X-ray source. The size of the focal spot on the target is less sensitive to current changes applied to the magnetic focusing system due to this linkage.

    Abstract translation: 通过连接在X射线源中使用的磁聚焦系统中使用的电流来解决与维持X射线源的目标材料上焦点尺寸有关的问题。 由于这种联动，目标上焦点的大小对施加到磁聚焦系统的电流变化较不敏感。

    SYSTEMS AND METHODS FOR ELECTRON BEAM FOCUSING IN ELECTRON BEAM ADDITIVE MANUFACTURING
    13.
    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.

    Cryogenic fuel power system
    15.
    发明授权
    Cryogenic fuel power system 有权

    公开(公告)号：US10250156B2

    公开(公告)日：2019-04-02

    申请号：US15399287

    申请日：2017-01-05

    Applicant: General Electric Company

    Inventor： Antonio Caiafa

    IPC: F02C7/16 ,  H02K7/18 ,  H02M7/00

    Abstract: A cryogenic fuel power system includes an engine. The cryogenic fuel power system includes a cryogenic fuel supply that supplies cryogenic fuel to be used as fuel by the engine. The cryogenic fuel power system includes a cryogenic bus configured to provide the cryogenic fuel from the cryogenic fuel supply to the engine. The cryogenic fuel power system includes power electronics circuitry that converts power from the engine into a form to be applied to one or more loads. The power electronics circuitry is positioned in thermal communication with the cryogenic bus to transfer heat from the power electronics circuitry to the cryogenic fuel.

    Apparatus and methods to control an electron beam of an X-ray tube
    18.
    发明授权
    Apparatus and methods to control an electron beam of an X-ray tube 有权
    控制X射线管电子束的装置和方法

    公开(公告)号：US09253864B2

    公开(公告)日：2016-02-02

    申请号：US14202520

    申请日：2014-03-10

    Applicant: General Electric Company

    Inventor： Antonio Caiafa ,  Uwe Wiedmann ,  Philippe Ernest ,  Georges William Baptiste ,  Dominique Poincloux ,  Yan Jiang

    IPC: H05G1/50 ,  H05G1/30 ,  H05G1/52 ,  H05G1/58

    CPC classification number: H05G1/50 ,  H05G1/52 ,  H05G1/58

    Abstract: Apparatus and methods to control an electron beam of an x-ray tube are provided. One apparatus includes at least one of (i) a first switching unit having a voltage source and a pair of switches connected in series and configured to switch between open and closed positions to change an output voltage to engage or bypass the voltage source or (ii) a second switching unit connected to a voltage source and having a first pair of switches connected in series and a second pair of switches connected in series, wherein the first and second pair of switches are connected in parallel, and wherein the first and second pairs of switches are configured to switch between open and closed position to change an output voltage generated from the voltage source. The first and second switching units are connected in series and a third switching unit provided that is amplitude controllable.

    Abstract translation: 提供了用于控制X射线管的电子束的装置和方法。 一个装置包括以下至少一个：（i）第一开关单元，其具有电压源和串联连接的一对开关，并且被配置为在打开和关闭位置之间切换以改变输出电压以接合或旁路电压源，或者（ii ）连接到电压源并具有串联连接的第一对开关和串联连接的第二对开关的第二开关单元，其中所述第一和第二对开关并联连接，并且其中所述第一和第二对 的开关被配置为在打开和关闭位置之间切换以改变从电压源产生的输出电压。 第一开关单元和第二开关单元串联连接，第三开关单元设置为可调幅度。

    REDUNDANT ELECTRIC MOTOR DRIVE
    20.
    发明申请
    REDUNDANT ELECTRIC MOTOR DRIVE 有权

    公开(公告)号：US20210257956A1

    公开(公告)日：2021-08-19

    申请号：US16789640

    申请日：2020-02-13

    Applicant: General Electric Company

    Inventor： Antonio Caiafa ,  Di Pan

    IPC: H02P29/028 ,  H02P25/22 ,  H02P27/08 ,  H02P29/50

    Abstract: A system may be provided that may include an integrated motor drive configured to couple to a motor. The integrated motor drive may include a first converter that may be configured to electrically couple with a winding assembly of the motor. The first converter may include at least first conversion circuitry configured to form a first electrical excitation waveform and second conversion circuitry coupled in parallel to the second conversion circuitry and configured to form a second electrical excitation waveform. The first converter may also include a first transformer configured to form a first summation electrical excitation waveform from the first electrical excitation waveform and the second electrical excitation waveform that drives the motor.

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