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1.发明申请Circuit including a superconducting element and a switch, a system including the circuit, and a method of using the system 审中-公开包括超导元件和开关的电路，包括电路的系统以及使用该系统的方法公开(公告)号：US20070263328A1
公开(公告)日：2007-11-15
申请号：US11430662
申请日：2006-05-09
申请人： Philip Jonas , Ronald Hintz , Robert Wilcox , Michael Frantsov , John Rogers
发明人： Philip Jonas , Ronald Hintz , Robert Wilcox , Michael Frantsov , John Rogers
IPC分类号： H02H7/00
CPC分类号： G01R33/3815 , G01R33/288 , H02H7/001 , Y02E40/68
摘要： A switch can be used in conjunction with a superconducting current path to provide a more reliable circuit and system. The switch can be connected in parallel with a portion of the superconducting current path. In one embodiment, the switch may be connected in parallel with an entire superconducting element, such as a persistent current switch, a superconducting coil, or the like, or may be connected in parallel across only a portion of a superconducting element. A method of using the system is also disclosed.
摘要翻译： 开关可以与超导电流路径一起使用，以提供更可靠的电路和系统。 开关可以与超导电流路径的一部分并联连接。 在一个实施例中，开关可以与整个超导元件（例如持续电流开关，超导线圈等）并联连接，或者可以仅跨越超导元件的一部分并联连接。 还公开了一种使用该系统的方法。
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2.发明授权Method and apparatus for connecting high current ramping leads to a superconducting magnet 失效将高电流斜坡导线连接到超导磁体的方法和装置
公开(公告)号：US6005461A
公开(公告)日：1999-12-21
申请号：US99181
申请日：1998-06-18
CPC分类号： H01F6/065 , Y10S505/892
摘要： A superconducting magnet is accessible for ramping within a cryostat by inserting flexible current leads through openings in the cryostat and pushing and twisting these leads inward until connections are made with electrical contacts provided on the superconducting magnet. For each current lead, a permanently installed channel guides the lead as it is pushed through the external opening and extends to make contact with the magnet terminal. The guide channel extends outside of the cryostat and includes an internal or external bend, whereby the overhead space required for the cryostat/magnet assembly may be reduced. After ramping, the leads are withdrawn.
摘要翻译： 超导磁体可通过将低温恒温器中的柔性电流引线插入低温恒温器中的开口，并将这些引线向内推和扭转，直到与超导磁体上提供的电触点连接。 对于每个电流引线，永久安装的通道引导引线，因为它被推动穿过外部开口并延伸以与磁体端子接触。 引导通道延伸到低温恒温器外部并且包括内部或外部弯曲部，从而可以减少低温恒温器/磁体组件所需的顶部空间。 斜坡后，引线撤回。
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公开(公告)号：US5332987A
公开(公告)日：1994-07-26
申请号：US923328
申请日：1992-07-31
CPC分类号： H02N15/00
摘要： A magnetic suspension system and a procedure for operating the system employ a superconducting magnet having a lift coil assembly for developing a magnetic field to interact with the magnetic field of an object to be supported about the superconducting magnet. Smaller and larger magnet coils are provided in the superconducting magnet with counter rotating flow of current to introduce a depression in a potential energy surface above the superconducting magnet, this allowing the object to seek a height at the depression for stably locating the object. The system and methodology employs a set of control coils which are energized to orient and to translate the object to maintain a desired position and orientation. Pairs of the control coils are energized to produce a tilting of the object, as in roll or pitch, or a displacement of the object relative to the vertical axis.
摘要翻译： 磁悬浮系统和用于操作该系统的程序采用具有提升线圈组件的超导磁体，用于显影磁场以与待超导磁体上待支撑物体的磁场相互作用。 在超导磁体中设置较小和较大的磁体线圈，具有反向旋转的电流流动，以在超导磁体上方的势能表面上引入凹陷，这允许物体在凹陷处寻找高度以稳定地定位物体。 系统和方法采用一组控制线圈，其被通电以定向和平移物体以保持期望的位置和取向。 控制线圈的一对通电以产生物体的倾斜，如辊或节距，或物体相对于垂直轴的位移。
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4.发明申请Seat, a chair including a seat, and a method of using a magnetic resonance imaging system including a seat 审中-公开座椅，包括座椅的椅子以及使用包括座椅的磁共振成像系统的方法公开(公告)号：US20080125641A1
公开(公告)日：2008-05-29
申请号：US11500724
申请日：2006-08-08
CPC分类号： A61B5/0555 , A61G15/02 , A61G2203/46 , A61G2210/50 , G01R33/3806 , G01R33/3808
摘要： A seat, a chair, or a combination thereof can be part of or used in conjunction with an MRI system. The seat can be designed to allow for an MRI analysis without requiring insertion of a probe into a cavity of a patient. In one embodiment, the seat and chair can be adapted for use with a cylindrical-type MRI system. The seat and chair may be used with another type of MRI system, such as an open MRI system. The pelvic region or adjacent portion of a patient can be analyzed without the patient having to lie flat.
摘要翻译： 座椅，椅子或其组合可以与MRI系统一起使用或与MRI系统一起使用。 座椅可以设计成允许进行MRI分析，而不需要将探针插入患者的腔中。 在一个实施例中，座椅和椅子可适用于圆柱形MRI系统。 座椅和椅子可以与另一种类型的MRI系统一起使用，例如开放MRI系统。 可以分析患者的骨盆区域或相邻部分，而不必使患者平躺。
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5.发明申请Magnetic resonance imaging system, a gradient coil, and a method of using the system 审中-公开磁共振成像系统，梯度线圈和使用该系统的方法公开(公告)号：US20080039714A1
公开(公告)日：2008-02-14
申请号：US11500703
申请日：2006-08-08
IPC分类号： A61B5/05
CPC分类号： A61B5/0555
摘要： A cylindrical MRI system can be configured such that a patient does not have to be in a lying position during analysis. In a particular embodiment, the patient can sit during analysis. The cylindrical MRI system can be oriented such that a central axis is not parallel to the floor, and in one embodiment, is substantially perpendicular to the floor. In one embodiment, the cylindrical MRI system can be configured to allow an object to contact the patient when the patient is within the analyzing region, even when the primary magnet is at field. In another aspect, an MRI system can include a primary magnet and a gradient coil with different types of shapes. In still another aspect, an MRI system can include a gradient coil that includes a combination of portions having different shapes.
摘要翻译： 可以配置圆柱形MRI系统，使得患者在分析期间不必处于卧位。 在特定实施例中，患者可以在分析期间坐下。 圆柱形MRI系统可以被定向为使得中心轴线不平行于地板，并且在一个实施例中，基本上垂直于地板。 在一个实施例中，当患者处于分析区域内时，即使当主磁体在场时，圆柱形MRI系统也可以被配置为允许物体接触患者。 在另一方面，MRI系统可以包括具有不同类型形状的初级磁体和梯度线圈。 在另一方面，MRI系统可以包括梯度线圈，其包括具有不同形状的部分的组合。
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公开(公告)号：US5659250A
公开(公告)日：1997-08-19
申请号：US616488
申请日：1996-03-19
IPC分类号： G01R33/383 , H01F7/02 , G01V3/00
CPC分类号： H01F7/0278 , G01R33/383
摘要： A permanent magnet assembly having a central elliptical bore, suitable for reception of a patient in an MRI system, is formed of a plurality of elliptically shaped sections disposed along an axis of the bore. Each section is subdivided into a plurality of segments in which each segment is constructed of bricks of magnetic material. Each brick has the shape of a right parallel piped. In any one of the segments, all of the bricks are arranged parallel to a common plane which is parallel to the bore axis. The bricks are magnetized with magnetization vector oriented in a common direction perpendicular to the plane. Full bricks are employed throughout all of the segments with the exception of a plurality of bricks along a surface of the bore wherein truncation of one or more of the bricks may be required to attain a desired homogeneity to a dipole magnetic field within the field. Directions of magnetization of the various segments vary in a symmetrical pattern about the bore to attain the desired field within the bore while minimizing any magnetic field outside of the assembly. This reduces overall weight of the assembly, and reduces the manufacturing cost.
摘要翻译： 具有适于在MRI系统中接收患者的中心椭圆形孔的永磁体组件由沿着孔的轴线设置的多个椭圆形部分形成。 每个部分被细分为多个段，其中每个段由磁性材料的砖构成。 每个砖都有一个平行管道的形状。 在任何一个区段中，所有的砖都平行于平行于钻孔轴线的公共平面布置。 在与垂直于平面的共同方向上取向的磁化矢量磁化这些砖。 除了沿着孔的表面的多个砖之外，所有部分都采用全砖，其中可能需要截断一个或多个砖以获得对场内的偶极磁场的期望的均匀性。 各个段的磁化方向以围绕孔的对称图案变化，以在孔内达到期望的场，同时最小化组件外部的任何磁场。 这降低了组件的总体重量，并降低了制造成本。
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公开(公告)号：US20020097052A1
公开(公告)日：2002-07-25
申请号：US09767299
申请日：2001-01-23
IPC分类号： G01V003/00
CPC分类号： G01R33/385
摘要： A cylindrical magnet assembly for use in magnetic resonance imaging apparatus has a radially compact construction which eliminates prior manufacturing steps. Recesses are formed in insulation layers for receiving complimentary shaped bus bars. Because the bus bars are dimensioned to fit flush within the recesses, they do not add to the radial growth of the magnet assembly.
摘要翻译： 用于磁共振成像设备的圆柱形磁体组件具有径向紧凑的结构，其消除了先前的制造步骤。 在绝缘层中形成有用于接纳互补形状的母线的凹口。 因为母线的尺寸被设计成适合于凹槽内的齐平，它们不会增加磁体组件的径向生长。
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公开(公告)号：US5939964A
公开(公告)日：1999-08-17
申请号：US926183
申请日：1997-09-09
申请人： Paul Domigan
发明人： Paul Domigan
CPC分类号： H01F7/0278 , H05H7/04 , H01J2223/0873
摘要： A magnetic array for periodic magnetic devices is formed as a series of pole modules each constructed from rectangular components. Field strengths in excess of 2.0 T are achieved by surrounding each pole module on all available sides with magnet blocks. Less magnet material is used than in prior modules that produced equal field strengths and magnet material is more efficiently used by reducing the material scrap associated with manufacture of prior art pole and magnet designs.
摘要翻译： 用于周期性磁性器件的磁阵列形成为由矩形部件构成的一系列极模块。 超过2.0T的场强通过围绕所有可用侧面上的磁体块的每个极模块来实现。 使用比现有模块产生相等的场强更少的磁体材料，并且通过减少与现有技术的磁极和磁体设计的制造相关的材料碎屑更有效地使用磁体材料。
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公开(公告)号：US5360566A
公开(公告)日：1994-11-01
申请号：US972819
申请日：1992-11-06
申请人： Richard Stevenson
发明人： Richard Stevenson
IPC分类号： C09K5/04
CPC分类号： C09K5/045 , C09K2205/106 , C09K2205/12
摘要： A non-toxic, non-flammable refrigerant for use in a closed cycle refrigeration system comprising a major component constituting between 75% and 95% by volume of the refrigerant and a minor component comprising between 5% and 25% by volume of the refrigerant. The major component consists of hydrocarbon, either a single hydrocarbon or mixtures of hydrocarbons. The minor component consists of constituents serving as both refrigerant and as flame retardants.
摘要翻译： 一种用于封闭循环制冷系统的无毒的不可燃制冷剂，其包含构成制冷剂的75体积％至95体积％的主要组分和包含制冷剂的5体积％至25体积％的次要组分。 主要组分由烃，单一烃或烃混合物组成。 次要组分由用作制冷剂和阻燃剂的组分组成。
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10.发明授权Superconductors having controlled laminar pinning centers, and method of manufacturing same 失效具有控制层压钉扎中心的超导体及其制造方法
公开(公告)号：US4803310A
公开(公告)日：1989-02-07
申请号：US45386
申请日：1987-05-04
CPC分类号： H01L39/2406 , H01L39/14 , Y10S505/887 , Y10T29/49014
摘要： A multifilament superconductor having continuous, non-random pinning centers and including a plurality of parallel superconductive subfilaments of uniform cross-sectional area, the subfilaments being embedded in generally hexagonal pinning jackets, and the pinning jackets together forming a structure having a honeycomb-like cross-section, the jackets having a wall thickness that is substantially an integral multiple of the coherence length of the subfilaments in a predetermined field, the jackets together forming a plurality of continuous paths for fluxoids across the superconductor, whereby total pinning density of said superconductor is substantially increased, and the critical field strength of the superconductor is enhanced.
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