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    • 57. 发明授权
    • Dewar and biological magnetism measurement apparatus using the dewar
    • 杜瓦瓶和生物磁测量仪使用杜瓦瓶
    • US06512368B2
    • 2003-01-28
    • US09771659
    • 2001-01-30
    • Hiroyuki TanakaNorihide SahoHitoshi Sasabuchi
    • Hiroyuki TanakaNorihide SahoHitoshi Sasabuchi
    • G01R33035
    • F17C3/08G01R33/0354Y10S505/846
    • A dewar for SQUID is provided. In the dewar for SQUID, an amount of leak gas discharged from absorbent arranged in the upper portion higher than the liquid surface level of liquid helium is small even if the liquid surface level of the liquid helium is lowered. In order to attain the above object, a dewar in accordance with the present invention comprises an inner container for holding a SQUID magnetometer and a coolant, the inner container being made of a non-magnetic and electrically non-conductive material; an outer container for forming a thermal insulating space between the inner container and the outer container, the outer container being made of a non-magnetic and electrically non-conductive material; and a gas absorber provided inside the thermal insulating space, and the dewar further comprises a non-magnetic thermal conductor in contact both with the gas absorber arranged at a level higher than a level of a holding position of the SQUID magnetometer and with a position of the inner container at a level lower than a level of the gas absorber.
    • 提供SQUID的杜瓦瓶。 在SQUID的杜瓦瓶中,即使液体液面的液面降低,排出在高于液氦液面的上部的吸收剂排出的泄漏气体也很少。 为了实现上述目的,根据本发明的杜瓦瓶包括用于保持SQUID磁力计和冷却剂的内部容器,该内部容器由非磁性和非导电材料制成; 外部容器,用于在所述内部容器和所述外部容器之间形成绝热空间,所述外部容器由非磁性和非导电材料制成; 以及设置在绝热空间内的气体吸收器,并且所述杜瓦还包括与气体吸收器接触的非磁性热导体,所述非磁性热导体布置在高于所述SQUID磁强计的保持位置的水平的水平面处, 内部容器处于低于气体吸收器的水平的水平。
    • 58. 发明授权
    • Magnetic purifying apparatus for purifying a fluid
    • 用于净化流体的磁化净化装置
    • US6093318A
    • 2000-07-25
    • US333980
    • 1999-06-16
    • Norihide SahoHisashi IsogamiMinoru MoritaFumitaka HandaKatsuhiko Asano
    • Norihide SahoHisashi IsogamiMinoru MoritaFumitaka HandaKatsuhiko Asano
    • B03C1/027B01D35/06B03C1/00
    • B03C1/027Y10S505/892
    • An improved apparatus for removing magnetic material from a flowing fluid such as water by magnetic separation has a single set of electromagnets which are used with a plurality of magnetic filters for continuous magnetic separation operation alternately without obstructing the flow of the fluid being processed. A high-gradient magnetic filter arrangement which passes through a magnetic field generated by the magnets is made up of at least two magnetic filters separated by a watertight partition. When the fluid being processed is flowing through one of the magnetic filters, the other filter is removed from the flow of the fluid into a magnetic filter housing which is separated from the fluid flow through the magnetic filter by means of partitions. Backwashing of this other magnetic filter is carried out while purification of the fluid being processed by the former magnetic filter continues uninterrupted. Dummy magnetic filters are provided at the outer ends of the magnetic filter arrangement so that whichever of the magnetic filters is removed from the flow of the fluid being processed, the filter matrices do not leave the magnetic field formed by the plurality of magnets, and consequently the magnetic filters can be moved in and out of the magnetic field with a minimal driving force.
    • 用于通过磁分离从流动的流体例如水中除去磁性材料的改进的装置具有单组电磁铁,其与多个用于连续磁选分离操作的磁性过滤器一起使用,而不会妨碍被处理流体的流动。 通过由磁体产生的磁场的高梯度磁性过滤器装置由至少两个由防水分隔件分离的磁性过滤器构成。 当被处理的流体流过磁滤器之一时,另一个过滤器从流体流中移除到磁过滤器壳体中,该磁过滤器壳体通过分隔件与通过磁过滤器的流体流分离。 这个另一个磁性过滤器的反冲洗是在由前一个磁性过滤器处理的流体的净化不间断地继续进行的。 在磁性过滤器装置的外端设置虚拟磁性过滤器,使得从被处理流体的流动中去除了任何磁性过滤器,滤波器矩阵不会离开由多个磁体形成的磁场,因此 磁性过滤器可以以最小的驱动力移入和移出磁场。