公开(公告)号：US06289681B1

公开(公告)日：2001-09-18

申请号：US09441897

申请日：1999-11-17

申请人： Phillip William Eckels ,  Richard Thomas Hackett ,  Gregory F. Hayworth ,  Xianrui Huang ,  Clifford J. Ginfrida ,  Gregory Alan Lehmann ,  John Scaturro, Jr. ,  Bu-Xin Xu

发明人： Phillip William Eckels ,  Richard Thomas Hackett ,  Gregory F. Hayworth ,  Xianrui Huang ,  Clifford J. Ginfrida ,  Gregory Alan Lehmann ,  John Scaturro, Jr. ,  Bu-Xin Xu

IPC分类号： F17C502

CPC分类号： F17C3/085 ,  F17C2265/033 ,  F17C2270/0509 ,  G01R33/3802 ,  G01R33/3804 ,  G01R33/3806 ,  H01F6/04

摘要： A multi purpose interconnect assembly between upper and lower helium vessels in a recondensing superconducting magnet to provide isothermal connections to extend the ride-through period, and to provide for helium liquid and gas passage, electrical interconnections, and to accommodate differential thermal contraction and expansion.

摘要翻译： 在再冷凝超导磁体中的上和下氦容器之间的多用途互连组件，以提供等温连接以延长穿越周期，并提供氦气和气体通道，电互连，并适应不同的热收缩和膨胀。

公开(公告)号：US6011454A

公开(公告)日：2000-01-04

申请号：US223514

申请日：1998-12-30

申请人： Xianrui Huang ,  Gregory F. Hayworth ,  John Scaturro, Jr.

发明人： Xianrui Huang ,  Gregory F. Hayworth ,  John Scaturro, Jr.

IPC分类号： A61B5/055 ,  G01R33/3815 ,  H01F6/00 ,  H01L39/04 ,  H01F1/00

CPC分类号： H01F6/00 ,  G01R33/3815 ,  Y10S220/901 ,  Y10S505/888

摘要： A suspension system for a superconducting magnet for supporting and spacing the thermal radiation shield and vacuum vessel about the cryogen vessel utilizing a carbon fiber reinforced composite assembly with a first frustro-conical member positioned between the cryogen vessel and radiation shield and a second frustro-conical member extending from the vacuum vessel to overlap the radiation shield with a radially extending connecting member between the interior ends of the members to provide a tortuous generally Z-shaped lengthened thermal path and thermal resistance plus mechanical support in both the axial and radial directions.

摘要翻译： 一种用于超导磁体的悬架系统，用于利用碳纤维增强复合组件来支撑和隔离热辐射屏蔽层和真空容器，所述碳纤维增强复合组件具有位于冷冻剂容器和辐射屏蔽之间的第一截头圆锥形构件和第二截头圆锥形 构件从真空容器延伸以与辐射屏蔽件重叠，在构件的内端之间具有径向延伸的连接构件，以在轴向和径向方向上提供曲折的大致Z形延长的热路径和热阻加上机械支撑。

公开(公告)号：US5973582A

公开(公告)日：1999-10-26

申请号：US195128

申请日：1998-11-18

申请人： Timothy John Havens ,  Chung-Yih Ho ,  Xianrui Huang ,  Steven Ho-Chong Wong ,  Bu-Xin Xu ,  Minfeng Xu

发明人： Timothy John Havens ,  Chung-Yih Ho ,  Xianrui Huang ,  Steven Ho-Chong Wong ,  Bu-Xin Xu ,  Minfeng Xu

IPC分类号： H01F6/00 ,  G01R33/3873 ,  H01F7/00

CPC分类号： G01R33/3873

摘要： In the installation of a superconducting magnet for magnetic resonance imaging at a preselected position in a mobile van, preselected curvilinear magnetic segments are applied to preselected locations on the exterior of the magnet to counteract magnet inhomogeneities in the imaging bore which would otherwise occur because of magnetic material in the van structure.

摘要翻译： 在用于在移动式货车中的预选位置安装用于磁共振成像的超导磁体的情况下，将预选的曲线磁段施加到磁体外部的预选位置以抵消成像孔中的磁体不均匀性，否则将由于磁性而发生 货车结构材料。

公开(公告)号：US06717781B2

公开(公告)日：2004-04-06

申请号：US09682589

申请日：2001-09-25

申请人： Minfeng Xu ,  Xianrui Huang ,  Bu-Xin Xu ,  Jinhua Huang

发明人： Minfeng Xu ,  Xianrui Huang ,  Bu-Xin Xu ,  Jinhua Huang

IPC分类号： H02H700

CPC分类号： H01F6/02 ,  H01F6/008 ,  H02H7/001 ,  Y02E40/68

摘要： A superconducting magnet electrical circuit is provided for quench protection. A superconducting coil assemblage is provided including a plurality of spatially separated main and secondary magnet coil portions. The main magnet coil portions are connected in series to form at least one main coil series circuit. The secondary magnet coil portions are also connected in a series to form at least one secondary coil series circuit. At least one temperature limiting circuit is also provided. The temperature limiting circuit may be a quench heater circuit or a quench resistor circuit. The temperature limiting circuit has a plurality of quench heaters or a plurality of quench resistors connected with the superconducting coil assemblage. A superconductive switch is coupled with the superconducting coil assemblage.

摘要翻译： 提供超导磁体电路用于淬火保护。 提供了包括多个空间分离的主和次级磁体线圈部分的超导线圈组件。 主电磁线圈部分串联连接以形成至少一个主线圈串联电路。 次级电磁线圈部分也被串联连接以形成至少一个次级线圈串联电路。 还提供至少一个温度限制电路。 温度限制电路可以是淬火加热器电路或淬火电阻电路。 温度限制电路具有与超导线圈组合件连接的多个骤冷加热器或多个骤冷电阻器。 超导开关与超导线圈组合连接。

公开(公告)号：US06181137B2

公开(公告)日：2001-01-30

申请号：US09360712

申请日：1999-07-26

申请人： Timothy John Havens ,  Xianrui Huang ,  Robert Sethfield Smith ,  Steven Ho-Chong Wong ,  Michele Ogle ,  Bu-Xin Xu ,  Minfeng Xu

发明人： Timothy John Havens ,  Xianrui Huang ,  Robert Sethfield Smith ,  Steven Ho-Chong Wong ,  Michele Ogle ,  Bu-Xin Xu ,  Minfeng Xu

IPC分类号： G01V300

CPC分类号： G01R33/387

摘要： A method for shimming a magnetic resonance imaging magnet requiring higher magnetic field homogneity on a small imaging volume and by magnetic field measurements on a larger volume providing small measurement error and practical field strength measurements and utilizing the spherical harmonic coefficients of the measurements.

摘要翻译： 一种用于对在小成像体积上需要较高磁场均匀性的磁共振成像磁体进行匀场的方法以及通过较大体积的磁场测量来提供小的测量误差和实际的场强度测量并利用测量的球谐函数。

公开(公告)号：US06147844A

公开(公告)日：2000-11-14

申请号：US223650

申请日：1998-12-30

申请人： Xianrui Huang ,  Phillip William Eckels

发明人： Xianrui Huang ,  Phillip William Eckels

IPC分类号： G01R33/3815 ,  H02H7/00

CPC分类号： G01R33/3815 ,  H02H7/001 ,  Y02E40/68

摘要： A quench protection circuit for the series connected but spatially separated magnet coils of a superconducting magnet utilizes a parallel circuit of multiple heaters and reverse connected diodes shunting portions of the series connected magnets coils with the heaters physically positioned in thermal contact with other coils in the series circuit to thermally transfer a heat quenching action in any coil to all coils, along with a shunting current through the diodes to shunt peak currents upon coil quenching to avoid undesired spot temperature rise and enable controlled quenching of the entire magnet upon quenching of any coil.

摘要翻译： 用于超导磁体的串联但空间分离的磁体线圈的骤冷保护电路利用多个加热器和反向连接的二极管的并联电路来分流串联连接的磁体线圈的部分，其中加热器物理地定位成与串联中的其它线圈热接触 电路将任何线圈中的热淬火作用传递到所有线圈，以及通过二极管的分流电流，以在线圈淬火时分流峰值电流，以避免不期望的点温升高，并使得能够在任何线圈淬火时控制整个磁体的淬火。

公开(公告)号：US5999076A

公开(公告)日：1999-12-07

申请号：US223513

申请日：1998-12-30

申请人： Robert Henry Becker, Jr. ,  Gregory F. Hayworth ,  Kenneth Gordon Herd ,  Xianrui Huang ,  Peter Angus Morgan ,  Richard Andrew Ranze ,  Minfeng Xu

发明人： Robert Henry Becker, Jr. ,  Gregory F. Hayworth ,  Kenneth Gordon Herd ,  Xianrui Huang ,  Peter Angus Morgan ,  Richard Andrew Ranze ,  Minfeng Xu

IPC分类号： G01R33/3873 ,  G01V3/00

CPC分类号： G01R33/3873

摘要： A passive shimming system for a superconducting magnet to improve bore magnetic homogeneity includes a plurality of axially extending non-magnetic drawers each including a plurality of pockets along the drawer with a securable cover for each pocket to enclose the selected ferromagnetic shim disks and compressible spring material to enable individual access and shimming of selected pockets.

摘要翻译： 用于超导磁体的被动匀场系统用于改善钻孔磁性均匀性包括多个轴向延伸的非磁性抽屉，每个抽屉均包括沿着抽屉的多个凹穴，每个凹槽具有用于每个口袋的安全盖，以封闭选定的铁磁垫片盘和可压缩的弹簧材料 以允许个人对所选口袋的访问和匀场。

公开(公告)号：US06078234A

公开(公告)日：2000-06-20

申请号：US112613

申请日：1998-07-09

申请人： Xianrui Huang ,  John Scaturro, Jr. ,  Peter L. Sue

发明人： Xianrui Huang ,  John Scaturro, Jr. ,  Peter L. Sue

IPC分类号： A61B5/055 ,  G01Q80/00 ,  G01R33/38 ,  G01R33/3815 ,  H01F6/00 ,  H01F7/20 ,  H01F1/00

CPC分类号： B82Y15/00 ,  G01R33/3815 ,  G01R33/3804 ,  Y10S505/892

摘要： A superconducting magnet utilizing a pair of donut-shaped annular magnet assemblies including in each a cryogen pressure vessel with a non-magnetic cylindrical divider forming pairs of concentric chambers. Pairs of axial non-magnetic strut members spaced about the interior of the pressure vessel extend at an angle within the concentric chambers between the end flanges of each assembly to resist forces generated within and between the pair of magnet assemblies.

摘要翻译： 一种超导磁体，其利用一对圆环形环形磁体组件，每个环形磁体组件包括在每个具有形成成对的同心腔的非磁性圆柱形分隔器的冷冻剂压力容器中。 在压力容器内部间隔开的轴对非磁性支柱构件对在每个组件的端部凸缘之间的同心腔内以一定角度延伸，以抵抗在一对磁体组件内部和之间产生的力。

公开(公告)号：US6147579A

公开(公告)日：2000-11-14

申请号：US441836

申请日：1999-11-17

申请人： William Louis Einziger ,  Xianrui Huang ,  Gregory Alan Lehmann ,  John Arthur Urbahn

发明人： William Louis Einziger ,  Xianrui Huang ,  Gregory Alan Lehmann ,  John Arthur Urbahn

IPC分类号： F17C13/00 ,  F17C13/08 ,  G01R33/3815 ,  H01F6/06 ,  H01F5/00

CPC分类号： H01F6/06 ,  F17C13/001 ,  F17C13/087 ,  G01R33/3815 ,  F17C2203/03 ,  F17C2203/0308 ,  F17C2203/0687 ,  F17C2223/0161 ,  Y10S505/892

摘要： A non-uniform multi-layer thermally insulating blanket assembly for use in a superconducting magnet in the tapered space between the thermal radiation shield and a conical support assembly includes three steps at different thicknesses provided by multiple blankets with layer staking and blanket positioning.

摘要翻译： 用于热辐射屏蔽和锥形支撑组件之间的锥形空间中的超导磁体的不均匀的多层热绝缘毯组件包括由具有层桩和覆盖定位的多个毯子提供的不同厚度的三个步骤。

公开(公告)号：US08033121B2

公开(公告)日：2011-10-11

申请号：US12246800

申请日：2008-10-07

申请人： Xianrui Huang ,  Paul Shadforth Thompson ,  David Thomas Ryan ,  Gregory Alan Lehmann ,  Timothy John Havens

发明人： Xianrui Huang ,  Paul Shadforth Thompson ,  David Thomas Ryan ,  Gregory Alan Lehmann ,  Timothy John Havens

IPC分类号： F17C7/02

CPC分类号： G01R33/3815 ,  Y10T29/49359

摘要： A low eddy current cryogen circuit for superconducting magnets including at least a first cooling coil made of an electrically conducting material and having at least one electrical isolator incorporated in the first cooling coil. The electrical isolator is located to inhibit induced eddy current loops due to inductive coupling of the first cooling coil with eddy current inducing field sources.

摘要翻译： 一种用于超导磁体的低涡流制冷剂回路，包括至少由导电材料制成的第一冷却盘管，并具有并入第一冷却盘管中的至少一个电气隔离器。 电隔离器位于通过第一冷却线圈与涡流感应场源的感应耦合来抑制感应涡流环路。