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    • 1. 发明授权
    • Quench seal
    • 淬火密封
    • US07503181B2
    • 2009-03-17
    • US11291990
    • 2005-12-02
    • Beat MrazUrs MeierAgnès GlémotDieter Vogel
    • Beat MrazUrs MeierAgnès GlémotDieter Vogel
    • F25B19/00
    • H01F6/04F17C2270/0527F25D19/006G01R33/3804
    • A cryostat configuration comprising an outer shell and a cryocontainer (2) for cryogenic fluid installed therein, wherein the cryocontainer (2) is connected to the outer shell via at least two suspension tubes (16), and with a neck tube (1) whose upper warm end is connected to the outer shell and whose lower cold end is connected to the cryocontainer (2) and into which a cold head (3) of a multi-stage cryocooler is installed, wherein the outer shell, the cryocontainer (2), the suspension tubes (16) and the neck tube (1) delimit an evacuated space, and wherein the cryocontainer (2) is moreover surrounded by at least one radiation shield which is connected to the suspension tubes (16) and optionally to the neck tube (1) of the cryocontainer (2) in a thermally conducting fashion, is characterized by a seal which can be manually and/or automatically actuated to separate the cold end of the neck tube (1) from the cryocontainer (2) in such a manner that fluid flow between the cryocontainer (2) and the neck tube (1) is minimized or completely interrupted. A cryostat configuration of this type ensures safe installation and removal of a cold head (3) into and from a neck tube (1) of a helium container (2).
    • 一种低温恒温器配置,其包括外壳和用于安装在其中的低温流体的低温容器(2),其中所述低温容器(2)经由至少两个悬挂管(16)和颈管(1)连接到外壳,颈管 上部暖端连接到外壳,其下冷端连接到低温容器(2),并安装有多级低温冷却器的冷头(3),其中外壳,低温容器(2) 悬挂管(16)和颈管(1)限定了抽空空间,并且其中低温容器(2)还包括至少一个与悬挂管(16)相连并且可选地连接到颈部的辐射屏蔽 低温容器(2)的管(1)以导热方式,其特征在于可以手动和/或自动致动的密封件,从而将颈管(1)的冷端与低温容器(2)分离 流体在低温容器之间流动的方式 2)和颈管(1)最小化或完全中断。 这种类型的低温恒温器配置确保将冷头(3)安装到氦容器(2)的颈管(1)中和从其中取出。
    • 2. 发明授权
    • NMR apparatus with commonly cooled probe head and cryogenic container and method for the operation thereof
    • 具有通常冷却的探针头和低温容器的NMR装置及其操作方法
    • US07474099B2
    • 2009-01-06
    • US11509778
    • 2006-08-25
    • Johannes BoeselAgnès GlémotDaniel EckertDaniel Guy Baumann
    • Johannes BoeselAgnès GlémotDaniel EckertDaniel Guy Baumann
    • G01V3/00
    • F25D19/006F25B9/10F25B9/145F25B2309/1418F25B2400/17G01R33/31G01R33/3815
    • An NMR apparatus comprising an NMR magnet system disposed in a first cryocontainer (2) of a cryostat (9), and an NMR probe head (1), wherein the first cryocontainer (2) is installed in an evacuated outer jacket and is surrounded by a radiation shield (24) and/or a further cryocontainer (3), wherein a cooling device is provided for cooling the NMR probe head (1) and a cryocontainer (2, 3), which comprises a cold head (4, 4a, 4b, 4c) with several cold stages (12a, 12b, 12c, 18a, 18b, 18c, 19a), wherein one cold stage (12a, 12b, 12c, 18a, 18b, 18c, 19a) is connected to a heat-transferring device, and wherein a cooling circuit is provided between the cooling device and the NMR probe head (1), is characterized in that the cooling device is disposed in a separate, evacuated housing (6) which is positioned directly above the cryostat (9), wherein the heat-transferring device is inserted directly into suspension tubes (29a, 29c) of the cryocontainer (2, 3) and/or is in contact with the radiation shield (24). This effects a simple construction that is efficient for cooling an NMR apparatus.
    • 一种NMR装置,包括设置在低温恒温器(9)的第一低温容器(2)中的NMR磁体系统和NMR探针头(1),其中第一低温容器(2)安装在抽真空的外护套中并被 辐射屏蔽(24)和/或另外的低温容器(3),其中提供冷却装置用于冷却NMR探针头(1)和低温容器(2,3),冷冻装置包括冷头(4,4a, 4b,4c)具有多个冷段(12a,12b,12c,18a,18b,18c,19a),其中一个冷段(12a,12b,12c,18a,18b,18c,19a)连接到传热 装置,并且其中在所述冷却装置和所述NMR探针头(1)之间设置有冷却回路,其特征在于,所述冷却装置设置在分开的真空壳体(6)中,所述外壳直接位于所述低温恒温器(9)的正上方, ,其中所述传热装置直接插入所述低温容器(2,3)的悬挂管(29a,29c)中和/或与所述辐射接触 在屏蔽(24)上。 这实现了用于冷却NMR装置的有效的简单结构。