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1. 发明授权

US5512870A Superconducting switch 失效
标题翻译：超导开关
公开(公告)号：US5512870A
公开(公告)日：1996-04-30
申请号：US514331
申请日：1995-08-11
申请人： Lembit Salasoo , Evangelos T. Laskaris , Richard A. Ranze
发明人： Lembit Salasoo , Evangelos T. Laskaris , Richard A. Ranze
IPC分类号： H01F6/06 , H01L39/20
CPC分类号： H01F6/06 , H01L39/20 , Y10S505/879
摘要： A superconductive switch has a first layer of a superconductive coil wire wound around a shaft clockwise from the first end to the middle and counterclockwise from the middle to the second end. A second layer of the wire is wound around the first layer in identical fashion. A third layer of the wire is wound around the second layer counterclockwise from the first end to the middle and clockwise from the middle to the second end. An electrical heater is located between the first and second layers, and a stratum of electrical insulation, discrete from that of the coil wire, is located between the second and third layers.
摘要翻译：超导开关具有从第一端到中间顺时针缠绕在轴上的超导线圈线的第一层，并且从中间到第二端逆时针旋转。电线的第二层以相同的方式围绕第一层缠绕。线的第三层从第一端到中间逆时针缠绕第二层，并且从中间到第二端顺时针缠绕。电加热器位于第一和第二层之间，并且电绝缘层与线圈线的绝缘层位于第二层和第三层之间。

2. 发明授权

US5552372A Ceramic superconducting lead resistant to breakage 失效
公开(公告)号：US5552372A
公开(公告)日：1996-09-03
申请号：US439168
申请日：1995-05-11
申请人： Robert A. Ackermann , Kenneth G. Herd , Evangelos T. Laskaris , Richard A. Ranze
发明人： Robert A. Ackermann , Kenneth G. Herd , Evangelos T. Laskaris , Richard A. Ranze
IPC分类号： B32B5/22 , F17C13/00 , F25D19/00 , G01R33/3815 , H01F6/06 , B32B9/00
CPC分类号： B32B5/22 , F25D19/006 , G01R33/3815 , H01F6/04 , H01F6/065 , Y10S428/93 , Y10S505/701 , Y10T428/24917 , Y10T428/249951 , Y10T428/2929 , Y10T428/2958
摘要： A superconductive lead assembly for a superconductive device (e.g., magnet) cooled by a cryocooler coldhead having first and second stages. A first ceramic superconductive lead has a first end flexibly, dielectrically, and thermally connected to the first stage and a second end flexibly, dielectrically, and thermally connected to the second stage. A jacket of open cell material (e.g., polystyrene foam) is in general surrounding compressive contact with the first ceramic superconductive lead, and a rigid support tube generally surrounds the jacket. This protects the first ceramic superconductive lead against shock and vibration while in the device. The rigid support tube has a first end and a second end, with the second end thermally connectable to the second stage.

3. 发明授权

US5571606A Ceramic superconducting lead resistant to breakage 失效
公开(公告)号：US5571606A
公开(公告)日：1996-11-05
申请号：US440160
申请日：1995-05-12
申请人： Robert A. Ackermann , Kenneth G. Herd , Evangelos T. Laskaris , Richard A. Ranze
发明人： Robert A. Ackermann , Kenneth G. Herd , Evangelos T. Laskaris , Richard A. Ranze
IPC分类号： B32B5/22 , F17C13/00 , F25D19/00 , G01R33/3815 , H01F6/06 , B32B9/00
CPC分类号： B32B5/22 , F25D19/006 , G01R33/3815 , H01F6/04 , H01F6/065 , Y10S428/93 , Y10S505/701 , Y10T428/24917 , Y10T428/249951 , Y10T428/2929 , Y10T428/2958
摘要： A superconductive lead assembly for a superconductive device (e.g., magnet) cooled by a cryocooler coldhead having first and second stages. A first ceramic superconductive lead has a first end flexibly, dielectrically, and thermally connected to the first stage and a second end flexibly, dielectrically, and thermally connected to the second stage. A jacket of open cell material (e.g., polystyrene foam) is in general surrounding compressive contact with the first ceramic superconductive lead, and a rigid support tube generally surrounds the jacket. This protects the first ceramic superconductive lead against shock and vibration while in the device. The rigid support tube has a first end and a second end, with the second end thermally connectable to the second stage.

4. 发明授权

US6150819A Laminate tiles for an MRI system and method and apparatus for manufacturing the laminate tiles 有权
标题翻译：用于MRI系统的层叠瓦片以及用于制造层压瓦片的方法和装置
公开(公告)号：US6150819A
公开(公告)日：2000-11-21
申请号：US198510
申请日：1998-11-24
申请人： Evangelos T. Laskaris , William D. Barber , Bulent Aksel , Richard A. Ranze
发明人： Evangelos T. Laskaris , William D. Barber , Bulent Aksel , Richard A. Ranze
IPC分类号： A61B5/055 , G01R33/383 , H01F7/02 , H01F7/20 , H01F41/02 , G01V3/00
CPC分类号： G01R33/383 , H01F41/0226 , H01F7/0278 , H01F7/20 , Y10T29/49078
摘要： A laminate tile pole piece for an MRI, a method and an apparatus for manufacturing laminate tile metal pole pieces for an MRI. Each laminate tile has a trapezoidal or annular sector shape. The trapezoidal shape allows the tiles to be attached side by side to form a multiple concentric ring pole piece without using oddly shaped edge filler tiles needed to fill a circular pole piece with square tiles. The laminate tiles are formed by unwinding a metal ribbon, guiding the ribbon through an adhesive bath, winding the ribbon on a polygonal bobbin, such as a rectangular bobbin, to form a coil with at least one flat side, removing the coil from the bobbin, cutting the coil into laminate bars and shaping the laminate bars into trapezoidal or annular sector shaped laminate tiles. The apparatus contains an adhesive bath, a polygonal shaped bobbin, bobbin side plates for guiding the ribbon onto the bobbin and pressure plates for controlling the thickness of the coil. The apparatus also contains a cutting tool for cutting the coil into laminate bars after the coil is removed from the bobbin and a water jet to shape the laminate bars into trapezoidal or annular sector shaped laminate tiles.
摘要翻译：用于MRI的叠层瓦片极片，用于制造用于MRI的层压瓦片金属极片的方法和装置。每个层压砖具有梯形或环形扇形。梯形形状允许瓦片并排连接以形成多个同心圆极片，而不使用填充具有方形瓦片的圆形极片所需的奇怪形状的边缘填充瓦。通过展开金属带来形成层压瓦片，通过粘合剂浴引导带状物，将带卷绕在诸如矩形线轴的多边形线轴上以形成具有至少一个平坦侧面的线圈，将线圈从线轴将线圈切割成层压棒，并将层压棒成型为梯形或环形扇形形状的层压瓦片。该装置包括粘合剂浴，多边形线轴，用于将带引导到线轴上的线轴侧板和用于控制线圈厚度的压板。该设备还包括一个切割工具，用于在将线圈从筒管上取下并将水射流成形为梯形或环形扇形层压瓦片之后将线圈切割成层压棒。

5. 发明授权

US5552211A Ceramic superconducting lead resistant to breakage 失效
标题翻译：陶瓷超导导线耐破坏
公开(公告)号：US5552211A
公开(公告)日：1996-09-03
申请号：US440159
申请日：1995-05-12
申请人： Robert A. Ackermann , Kenneth G. Herd , Evangelos T. Laskaris , Richard A. Ranze
发明人： Robert A. Ackermann , Kenneth G. Herd , Evangelos T. Laskaris , Richard A. Ranze
IPC分类号： B32B5/22 , F17C13/00 , F25D19/00 , G01R33/3815 , H01F6/06 , B32B9/00
CPC分类号： B32B5/22 , F25D19/006 , G01R33/3815 , H01F6/04 , H01F6/065 , Y10S428/93 , Y10S505/701 , Y10T428/24917 , Y10T428/249951 , Y10T428/2929 , Y10T428/2958
摘要： A superconductive lead assembly for a superconductive device (e.g., magnet) cooled by a cryocooler coldhead having first and second stages. A first ceramic superconductive lead has a first end flexibly, dielectrically, and thermally connected to the first stage and a second end flexibly, dielectrically, and thermally connected to the second stage. A jacket of open cell material (e.g., polystyrene foam) is in general surrounding compressive contact with the first ceramic superconductive lead, and a rigid support tube generally surrounds the jacket. This protects the first ceramic superconductive lead against shock and vibration while in the device. The rigid support tube has a first end and a second end, with the second end thermally connectable to the second stage.
摘要翻译：一种用于超导装置（例如，磁体）的超导引线组件，其由具有第一和第二级的低温冷却器冷头冷却。第一陶瓷超导引线具有柔性，介电和热连接到第一级的第一端，以及柔性地，介电地且热连接到第二级的第二端。开孔材料（例如，聚苯乙烯泡沫）的夹套通常围绕与第一陶瓷超导导线的压力接触，并且刚性支撑管通常围绕护套。这样可以保护第一个陶瓷超导导线免受器件中的冲击和振动。刚性支撑管具有第一端和第二端，第二端与第二级热连接。

6. 发明授权

US5574001A Ceramic superconducting lead resistant to breakage 失效
公开(公告)号：US5574001A
公开(公告)日：1996-11-12
申请号：US439170
申请日：1995-05-11
申请人： Robert A. Ackermann , Kenneth G. Herd , Evangelos T. Laskaris , Richard A. Ranze
发明人： Robert A. Ackermann , Kenneth G. Herd , Evangelos T. Laskaris , Richard A. Ranze
IPC分类号： B32B5/22 , F17C13/00 , F25D19/00 , G01R33/3815 , H01F6/06 , B32B9/00
CPC分类号： B32B5/22 , F25D19/006 , G01R33/3815 , H01F6/04 , H01F6/065 , Y10S428/93 , Y10S505/701 , Y10T428/24917 , Y10T428/249951 , Y10T428/2929 , Y10T428/2958
摘要： A superconductive lead assembly for a superconductive device (e.g., magnet) cooled by a cryocooler coldhead having first and second stages. A first ceramic superconductive lead has a first end flexibly, dielectrically, and thermally connected to the first stage and a second end flexibly, dielectrically, and thermally connected to the second stage. A jacket of open cell material (e.g., polystyrene foam) is in general surrounding compressive contact with the first ceramic superconductive lead, and a rigid support tube generally surrounds the jacket. This protects the first ceramic superconductive lead against shock and vibration while in the device. The rigid support tube has a first end and a second end, with the second end thermally connectable to the second stage.

7. 发明授权

US5253413A Method for making a superconducting joint for a superconducting magnet which images human limbs 失效
标题翻译：制造超导磁体超导接头的方法，该超导磁体对人体肢体进行成像
公开(公告)号：US5253413A
公开(公告)日：1993-10-19
申请号：US347
申请日：1993-01-04
申请人： Bizhan Dorri , Evangelos T. Laskaris , Kenneth G. Herd , Richard A. Ranze
发明人： Bizhan Dorri , Evangelos T. Laskaris , Kenneth G. Herd , Richard A. Ranze
IPC分类号： H01L39/02 , H01L39/24
CPC分类号： H01L39/02 , Y10S505/925 , Y10S505/926 , Y10S505/927 , Y10T29/49014 , Y10T29/49194
摘要： This invention relates to a superconducting joint which is more commonly referred to as, a pigtail joint, for use in superconducting magnets. Such structures of this type, generally, exhibit total superconducting behavior at temperatures below the transition value of the superconducting joint and have high electrical resistance at temperatures above the transition point of the superconducting joint.
摘要翻译：本发明涉及一种超导接头，该超导接头通常被称为用于超导磁体的辫状接头。这种类型的这种结构通常在低于超导接头的转变值的温度下表现出全超导行为，并且在高于超导接头的转变点的温度下具有高的电阻。

8. 发明申请

US20100277170A1 HEAT PIPE COOLED SUERCONDUCTING MAGNETS WITH CERAMIC COIL FORMS 有权
标题翻译：热管冷却带陶瓷线圈的磁铁
公开(公告)号：US20100277170A1
公开(公告)日：2010-11-04
申请号：US12268205
申请日：2008-11-10
申请人： Xianrui Huang , Bulent Aksel , Kathleen M. Amm , Evangelos T. Laskaris , Ernst W. Stautner , Paul S. Thompson , Anbo Wu , Minfeng Xu , Yan Zhao
发明人： Xianrui Huang , Bulent Aksel , Kathleen M. Amm , Evangelos T. Laskaris , Ernst W. Stautner , Paul S. Thompson , Anbo Wu , Minfeng Xu , Yan Zhao
IPC分类号： G01R33/48 , G01R33/44
CPC分类号： G01R33/3815 , G01R33/3802 , G01R33/3804
摘要： A system and method for a magnetic resonance (MR) imaging system includes a coil form, at least one magnet positioned about the coil form and configured to generate a magnetic field, at least one gradient coil for manipulating the magnetic field generated by the at least one magnet by way of a gradient field, and a heat pipe thermally connected to the coil form and having a cryogen therein. The MR imaging system also includes a cryocooler connected to the heat pipe to cool the heat pipe and the cryogen, wherein the coil form is comprised of a thermally conductive material in which eddy currents are substantially reduced during operation of the at least one gradient coil. The present invention has been described in terms of the preferred embodiment, and it is recognized that equivalents, alternatives, and modifications, aside from those expressly stated, are possible and within the scope of the appending claims.
摘要翻译：用于磁共振（MR）成像系统的系统和方法包括线圈形式，围绕线圈形状定位并被配置为产生磁场的至少一个磁体，至少一个梯度线圈，用于操纵由至少一个通过梯度场的一个磁体，以及热连接到线圈形式并且在其中具有冷冻剂的热管。 MR成像系统还包括连接到热管以冷却热管和冷冻剂的低温冷却器，其中线圈形式由导热材料组成，其中涡流在至少一个梯度线圈的操作期间显着减小。已经根据优选实施例描述了本发明，并且认识到除了明确说明的那些之外的等同物，替代方案和修改是可能的并且在所附权利要求的范围内。

9. 发明申请

US20100242500A1 THERMAL SWITCH FOR SUPERCONDUCTING MAGNET COOLING SYSTEM 审中-公开
标题翻译：超级磁铁冷却系统用热开关
公开(公告)号：US20100242500A1
公开(公告)日：2010-09-30
申请号：US11530267
申请日：2006-09-08
申请人： Evangelos T. Laskaris , Kathleen M. Amm , David Thomas Ryan , Xianrui Huang , J. Anne Ryan
发明人： Evangelos T. Laskaris , Kathleen M. Amm , David Thomas Ryan , Xianrui Huang , J. Anne Ryan
IPC分类号： F25B19/00 , G01R33/48
CPC分类号： F28D15/02 , F17C2270/0527 , F25D19/006 , H01F6/04 , Y02E60/321
摘要： The present invention provides an apparatus and method for automatically disconnecting a cryocooler from a cold mass reservoir of a MR system. A cryocooler thermal link includes a first end plate configured to be thermally connected to a cryocooler and a second end plate configured to be thermally connected to a cold mass. A wall encloses a space between the first and the second end plates, the wall having a first end attached to the first end plate and a second end attached to the second end plate. A working fluid is positioned in the space.
摘要翻译：本发明提供了一种用于将低温冷却器与MR系统的冷质储存器自动断开的装置和方法。低温冷却器热连接件包括构造成热连接到低温冷却器的第一端板和被配置为热连接到冷块的第二端板。壁围绕第一和第二端板之间的空间，壁具有附接到第一端板的第一端和附接到第二端板的第二端。工作流体位于空间中。

10. 发明授权

US5574417A Open MRI magnet with homogeneous imaging volume 失效
标题翻译：打开具有均匀成像体积的MRI磁体
公开(公告)号：US5574417A
公开(公告)日：1996-11-12
申请号：US547002
申请日：1995-10-23
申请人： Bizhan Dorri , Evangelos T. Laskaris
发明人： Bizhan Dorri , Evangelos T. Laskaris
IPC分类号： G01R33/38 , G01R33/3815 , H01F7/22 , G01V3/00
CPC分类号： G01R33/3806 , G01R33/3815
摘要： An open magnetic resonance imaging (MRI) magnet having first and second spaced-apart superconductive coil assemblies each including a toroidal-shaped coil housing containing a superconductive main coil. A generally annular-shaped permanent magnet array is associated with each coil assembly, being generally coaxially aligned with the associated coil assembly and being spaced radially inward and radially apart from the associated coil assembly's superconductive main coil. The permanent magnet arrays overcome the gross magnetic field distortions in the imaging volume of the superconductive main coils (created by the open space between the magnet's superconductive coil assemblies) to produce a magnetic field of high uniformity within the imaging volume.
摘要翻译：一种具有第一和第二间隔开的超导线圈组件的开放式磁共振成像（MRI）磁体，每个包括包含超导主线圈的环形线圈壳体。大致环形的永磁体阵列与每个线圈组件相关联，其大体上与相关联的线圈组件同轴对准并且相对于相关联的线圈组件的超导主线圈径向向内和径向间隔开。永磁体阵列克服了超导主线圈（由磁体超导线圈组件之间的开放空间产生）的成像体积中的总磁场失真，从而在成像体积内产生高均匀性的磁场。

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