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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
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。
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2.发明授权
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。
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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。
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公开(公告)号：US07196520B2
公开(公告)日：2007-03-27
申请号：US10904094
申请日：2004-10-22
申请人： Weijun Shen , Minfeng Xu , Bu-Xin Xu
发明人： Weijun Shen , Minfeng Xu , Bu-Xin Xu
IPC分类号： G01V3/00
CPC分类号： G01R33/3873
摘要： An apparatus and method for shimming a magnetic field of a magnet in a volume of interest includes a nonmagnetic holder configured with an array of fluid containing pockets; and a solidified ferromagnetic fluid in each pocket of the array of fluid containing pockets, wherein the solidified ferromagnetic fluid is fabricated from a ferromagnetic fluid, a diluting liquid, a hardener, and an accelerator agent. The ferromagnetic fluid includes a carrier liquid, ferromagnetic particles, and a surfactant.
摘要翻译： 用于对感兴趣的体积中的磁体的磁场进行匀场的装置和方法包括：非磁性保持器，其配置有包含口袋的流体阵列; 以及在包含凹穴的流体阵列的每个凹槽中的固化铁磁流体，其中固化的铁磁流体由铁磁流体，稀释液体，固化剂和促进剂制成。 铁磁流体包括载液，铁磁颗粒和表面活性剂。
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公开(公告)号：US20060208732A1
公开(公告)日：2006-09-21
申请号：US10904094
申请日：2004-10-22
申请人： Weijun Shen , Minfeng Xu , Bu-Xin Xu
发明人： Weijun Shen , Minfeng Xu , Bu-Xin Xu
CPC分类号： G01R33/3873
摘要： An apparatus and method for shimming a magnetic field of a magnet in a volume of interest includes a nonmagnetic holder configured with an array of fluid containing pockets; and a solidified ferromagnetic fluid in each pocket of the array of fluid containing pockets, wherein the solidified ferromagnetic fluid is fabricated from a ferromagnetic fluid, a diluting liquid, a hardener, and an accelerator agent. The ferromagnetic fluid includes a carrier liquid, ferromagnetic particles, and a surfactant.
摘要翻译： 用于对感兴趣的体积中的磁体的磁场进行匀场的装置和方法包括：非磁性保持器，其配置有包含口袋的流体阵列; 以及在包含凹穴的流体阵列的每个凹槽中的固化铁磁流体，其中固化的铁磁流体由铁磁流体，稀释液体，固化剂和促进剂制成。 铁磁流体包括载液，铁磁颗粒和表面活性剂。
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6.发明授权Low AC loss superconductor for a superconducting magnet and method of making same 有权用于超导磁体的低交流损耗超导体及其制造方法公开(公告)号：US07718897B2
公开(公告)日：2010-05-18
申请号：US11419331
申请日：2006-05-19
申请人： Xianrui Huang , Minfeng Xu
发明人： Xianrui Huang , Minfeng Xu
CPC分类号： H01B12/08 , H01F6/04 , H01F6/06 , H01F27/34 , Y02E40/641 , Y10T29/49014
摘要： A low AC loss electrical conductor includes an electrically conductive core surrounded by a first layer of superconductor filaments. A resistive shell surrounds the first layer and an insulation coating radially encloses the resistive shell.
摘要翻译： 低AC损耗电导体包括由第一层超导体细丝围绕的导电芯。 电阻外壳围绕第一层，绝缘涂层径向包围电阻外壳。
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7.发明申请METHOD AND APPARATUS FOR ACTIVELY CONTROLLING QUENCH PROTECTION OF A SUPERCONDUCTING MAGNET 有权用于动态控制超级磁铁猝死保护的方法和装置公开(公告)号：US20080164877A1
公开(公告)日：2008-07-10
申请号：US11621537
申请日：2007-01-09
申请人： Xianrui Huang , Minfeng Xu
发明人： Xianrui Huang , Minfeng Xu
CPC分类号： G01R33/3815 , G01R33/288 , H01F6/02
摘要： A method and apparatus for actively controlling quench protection of a superconducting magnet includes a magnetic resonance imaging (MRI) system and a computer readable storage medium having stored thereon a computer program comprising instructions which when executed by a computer cause the computer to detect a quench condition of the superconducting magnet. The instructions also cause the computer to actively control a quench protection system of the superconducting magnet in response to the detected quench condition.
摘要翻译： 用于主动控制超导磁体的淬火保护的方法和装置包括磁共振成像（MRI）系统和其上存储有计算机程序的计算机可读存储介质，所述计算机程序包括当计算机执行时使计算机检测淬火条件的指令 的超导磁体。 指令还使得计算机响应于检测到的淬火条件主动地控制超导磁体的淬火保护系统。
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8.发明授权
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。
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9.发明授权公开(公告)号：US07876100B2
公开(公告)日：2011-01-25
申请号：US12567846
申请日：2009-09-28
申请人： Xianrui Huang , Minfeng Xu
发明人： Xianrui Huang , Minfeng Xu
IPC分类号： G01V3/00
CPC分类号： G01R33/3815 , G01R33/288 , H01F6/02
摘要： A method and apparatus for actively controlling quench protection of a superconducting magnet includes a magnetic resonance imaging (MRI) system and a computer readable storage medium having stored thereon a computer program comprising instructions which when executed by a computer cause the computer to detect a quench condition of the superconducting magnet. The instructions also cause the computer to actively control a quench protection system of the superconducting magnet in response to the detected quench condition.
摘要翻译： 用于主动控制超导磁体的淬火保护的方法和装置包括磁共振成像（MRI）系统和其上存储有计算机程序的计算机可读存储介质，所述计算机程序包括当计算机执行时使计算机检测淬火条件的指令 的超导磁体。 指令还使得计算机响应于检测到的淬火条件主动地控制超导磁体的淬火保护系统。
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10.发明申请A LOW AC LOSS SUPERCONDUCTOR FOR A SUPERCONDUCTING MAGNET AND METHOD OF MAKING SAME 有权一种用于超级磁体的低交流损耗超导体及其制造方法公开(公告)号：US20070268101A1
公开(公告)日：2007-11-22
申请号：US11419331
申请日：2006-05-19
申请人： Xianrui Huang , Minfeng Xu
发明人： Xianrui Huang , Minfeng Xu
IPC分类号： H01F6/00
CPC分类号： H01B12/08 , H01F6/04 , H01F6/06 , H01F27/34 , Y02E40/641 , Y10T29/49014
摘要： A low AC loss electrical conductor includes an electrically conductive core surrounded by a first layer of superconductor filaments. A resistive shell surrounds the first layer and an insulation coating radially encloses the resistive shell.
摘要翻译： 低AC损耗电导体包括由第一层超导体细丝围绕的导电芯。 电阻外壳围绕第一层，绝缘涂层径向包围电阻外壳。
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