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    • 1. 发明专利
    • Cryogenic refrigerator
    • 低温冷冻机
    • JP2011141074A
    • 2011-07-21
    • JP2010001518
    • 2010-01-06
    • Toshiba Corp株式会社東芝
    • OTANI YASUMITOSAKA TAIZOSASAKI TAKASHI
    • F25B9/00
    • PROBLEM TO BE SOLVED: To provide a cryogenic refrigerator that improves precooling properties by shortening precooling time, simplifying handleability, and preventing the deterioration or the like due to thermal strain, to the utmost extent with a single refrigerator.
      SOLUTION: The cryogenic refrigerator supplies a refrigerant the pressure of which is raised by a compressor 18 into a coldhead 11 and expands the refrigerant to generate frigidness, and again transfers the refrigerant that have been expanded in the coldhead 11 to the compressor 18 to raise the pressure of the refrigerant. The cryogenic refrigerator includes: a bypass pipe 27 that connects a high-pressure pipe 20, into which the refrigerant pressurized by the compressor 18 is supplied, with a low-pressure pipe 19, with which the refrigerant introduced from the outside of a compressor unit 17 is provided to the compressor 18; a pressure regulating valve 26 that regulates at least one inner pressure of pipes of the high-pressure pipe 20 and the low-pressure pipe 19, and is provided in the bypass pipe 27; an outlet 38 for taking out the refrigerant in the bypass pipe 27 to the outside of the compressor unit 17; an inlet 37 for introducing the refrigerant from the outside of the compressor unit 17 to the inside of the compressor unit 17.
      COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供一种低温冰箱,通过缩短预冷时间,简化操作性,并且通过单个冰箱在最大程度上防止由于热应变引起的劣化等而提高预冷性能。 解决方案:低温冰箱将压缩机18的压力升压到冷头11中并使制冷剂膨胀以产生冷冻,并将已经在冷头11中膨胀的制冷剂传送到压缩机18中的制冷剂 以提高制冷剂的压力。 低温冷冻机包括:将由供给压缩机18加压的制冷剂的高压管20与压缩机单元的外部导入的制冷剂与低压管19连接的旁通管27, 17设置到压缩机18; 调节高压管20和低压管19的管内部压力的压力调节阀26,设置在旁通管27中; 用于将旁通管27中的制冷剂取出到压缩机单元17的外部的出口38; 用于将制冷剂从压缩机单元17的外部引入压缩机单元17的内部的入口37.版权所有(C)2011,JPO&INPIT
    • 2. 发明专利
    • Cooling device, and superconducting device
    • 冷却装置和超导装置
    • JP2009246232A
    • 2009-10-22
    • JP2008092805
    • 2008-03-31
    • Toshiba Corp株式会社東芝
    • YAZAWA TAKASHITAKAHASHI MASAHIKOOTANI YASUMIURATA MASAMI
    • H01L39/04
    • PROBLEM TO BE SOLVED: To easily reduce a time for initially cooling a coolant from a boiling point condition to a sub-cool condition, and to prevent increase of a thermal load on the coolant. SOLUTION: This cooling device includes: a coolant vessel 12 for storing the coolant 11 therein; a heat insulation vessel 13 surrounding the coolant vessel; an injection pipe 14 for injecting the coolant into the coolant vessel; a discharge pipe 15 for discharging an evaporative gas 23 of the coolant evaporated in the coolant vessel into the atmosphere; and a pressurization pipe 16 used for pressurizing a gas 24 different from the coolant to be supplied into the coolant vessel, and having a supply port 22 positioned above the liquid level S of the coolant in the coolant vessel. COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:为了容易地减少初始冷却冷却剂从沸点条件到次冷条件的时间,并且防止冷却剂上的热负荷增加。 解决方案:该冷却装置包括:用于将冷却剂11储存在其中的冷却剂容器12; 围绕冷却剂容器的隔热容器13; 用于将冷却剂注入到冷却剂容器中的注入管14; 排出管15,用于将在冷却剂容器中蒸发的冷却剂的蒸发气体23排放到大气中; 以及加压管16,用于对不同于供给冷却剂容器的冷却剂的气体24进行加压,并且具有位于冷却剂容器内的冷却剂的液面S的上方的供给口22。 版权所有(C)2010,JPO&INPIT
    • 3. 发明专利
    • Superconducting apparatus
    • 超级设备
    • JP2007273740A
    • 2007-10-18
    • JP2006097813
    • 2006-03-31
    • Toshiba Corp株式会社東芝
    • YAZAWA TAKASHIOTANI YASUMIURATA MASAMIKYODO MAKOTO
    • H01L39/04H01F6/04H01F6/06
    • PROBLEM TO BE SOLVED: To provide a superconducting apparatus ensuring higher bubble-eliminating function, reducing the thickness of the vessel composition, preventing reduction in insulation resistance and dielectric breakdown, and realizing a compact structure and reduction in weight. SOLUTION: As the bubble eliminating means for eliminating bubbles (a) generated with heat generated, when a superconducting material 11 is converted into a normal conducting material, a vessel formed of a porous material or a vessel, opening in the lower direction arranged at the upper part of a superconducting material within a coolant, is provided within or in the external side of the vessel. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种确保更高的气泡消除功能的超导装置,减小容器组成的厚度,防止绝缘电阻和绝缘击穿的降低,并且实现紧凑的结构和减轻重量。 解决方案:作为用于消除产生的产生的气泡(a)的气泡消除装置,当超导材料11转换成正常导电材料时,由多孔材料或容器形成的容器,沿下方开口 布置在冷却剂内的超导材料的上部,设置在容器的外侧或外侧。 版权所有(C)2008,JPO&INPIT
    • 4. 发明专利
    • Superconducting current limiting device and power system
    • 超导电流限制器件和电源系统
    • JP2007236108A
    • 2007-09-13
    • JP2006054804
    • 2006-03-01
    • Toshiba Corp株式会社東芝
    • YAZAWA TAKASHIOTANI YASUMIURATA MASAMISUGAWARA RYOICHI
    • H02H9/02H01F6/06
    • Y02E40/69
    • PROBLEM TO BE SOLVED: To provide a superconducting current limiting device and a power system capable of effectively inhibiting a voltage sag by generating sufficient resistance even in the event of a small voltage sag in the power system. SOLUTION: This superconducting current limiting device includes: a superconducting current limiter 4 provided with a superconducting element and connected to an interconnecting line for interconnecting two power systems 1, 2; a detector 5 for detecting a voltage drop in the interconnecting line; a control device 6 for receiving a detection signal from the detector 5, and outputting an operation signal when the voltage drop in the tie line is greater than a set value; a resistance generation increasing circuit 8 for increasing the resistance value of the superconducting current limiter 4; and a switch 7 for receiving the operation signal, and operating the resistance generation increasing circuit 8. COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供一种超导限流装置和能够有效地抑制电压骤降的电力系统,即使在电力系统中的电压骤降小的情况下也产生足够的电阻。 该超导电流限制装置包括:超导限流器4,其设置有超导​​元件并连接到用于互连两个电力系统1,2的互连线; 用于检测互连线中的电压降的检测器5; 控制装置6,用于从检测器5接收检测信号,当连线中的电压降大于设定值时,输出操作信号; 用于增加超导限流器4的电阻值的电阻产生增加电路8; 以及用于接收操作信号的开关7,以及操作电阻产生增加电路8.版权所有(C)2007,JPO&INPIT
    • 5. 发明专利
    • Nmr probe
    • NMR探针
    • JP2004301773A
    • 2004-10-28
    • JP2003097327
    • 2003-03-31
    • Institute Of Physical & Chemical ResearchToshiba Corp株式会社東芝独立行政法人理化学研究所
    • MAEDA HIDEAKIYOKOYAMA SHIGEYUKIOTANI YASUMITAKAHASHI MASAHIKOKURIYAMA TORU
    • G01R33/32F25B9/02
    • PROBLEM TO BE SOLVED: To obtain higher NMR sensitivity for an NMR probe, by realizing higher freezing efficiency and stably maintaining the RF coil over a long period.
      SOLUTION: The NMR probe is constituted of a GM/JT refrigerator unit 39, a probe head 41 in which an RF coil 27 as a cooled body is contained, and an insulation pipe 40 connecting the two, and a first JT valve 4 of the refrigerator unit 39 is arranged adjacent to a GM refrigerator 18 for pre-cooling in the unit 39. A second JT valve 5 is attached upstream of the RF coil 27 of the probe head 41. The expansion pressure of the first JT valve 4 is set at super-critical pressure or higher, and the coolant is made super-critical pressure helium so that pressure loss in the insulation pipe 40 is reduced and gas/liquid separation in the insulation pipe 40 is prevented. Furthermore, the expansion pressure of the second JT valve 5 is set below the super-critical pressure and helium mist of the gas-liquid mixture is generated so that the latent heat of the mist is utilized, to cool the RF coil 27 as the cooled body, to 4 to 5 Kelvin.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 解决问题:通过实现更高的冷冻效率和长期稳定地维持RF线圈,为了获得NMR探针的更高的NMR灵敏度。 解决方案:NMR探头由GM / JT冰箱单元39,其中容纳有作为冷却体的RF线圈27的探头41和连接两者的绝缘管40和第一JT阀 冰箱单元39的4被布置成与用于在单元39中预冷却的GM冷冻机18相邻。第二JT阀5附接在探头41的RF线圈27的上游。第一JT阀的膨胀压力 4设定为超临界压力以上,冷却剂成为超临界压力氦,使得绝缘管40中的压力损失降低,并且防止了绝缘管40中的气/液分离。 此外,第二JT阀5的膨胀压力设定在超临界压力以下,产生气液混合物的氦雾,使得利用雾气的潜热,冷却作为冷却的 身体,以4至5开尔文。 版权所有(C)2005,JPO&NCIPI
    • 6. 发明专利
    • COLD STORAGE REFRIGERATOR
    • JPH11257771A
    • 1999-09-24
    • JP6511098
    • 1998-03-16
    • TOSHIBA CORP
    • HATAKEYAMA HIDEOOTANI YASUMINAKAGOME HIDEKISASAKI TAKASHI
    • F25B9/14F25B9/00
    • PROBLEM TO BE SOLVED: To obtain a cold storage refrigerator having a final stage expansion space defined by a cylinder and a displacer in which refrigeration loss due to the gap between the cylinder and the displacer is eliminated by embedding a tubular body for suppressing difference of thermal shrinkage made of same material as the cylinder concentrically to the displacer. SOLUTION: A two-stage expansion Gifford-MacMahon GM refrigerating machine having a design cooling temperature lower than 5K at the final, i.e., second, cooling stage comprises a refrigerating machine cold head containing a displacer in a cylinder reciprocally in the direction orthogonal to the direction of gravity. A cylinder 14 of different diameter is fitted with a second displacer 18 in which a cold accumulator 25 is disposed. Refrigeration loss is suppressed by fixing a tubular body 26 for suppressing the difference of thermal shrinkage made of same material as the cylinder 14 in a fluid channel 24 constituting a second stage cold accumulator 25 concentrically to the second displacer 18.
    • 7. 发明专利
    • COLD STORAGE REFRIGERATING MACHINE
    • JPH11257769A
    • 1999-09-24
    • JP6511398
    • 1998-03-16
    • TOSHIBA CORP
    • OTANI YASUMIHATAKEYAMA HIDEONAKAGOME HIDEKISASAKI TAKASHI
    • F25B9/00F25B9/14
    • PROBLEM TO BE SOLVED: To enhance refrigerating efficiency of a refrigerating machine comprising cold accumulators and expansion units arranged in multistage with a target temperature being set lower than 5K in the final cooling stage by specifying the volume of the final stage cold accumulator being occupied by refrigerant gas with respect to the expansion volume of a final stage expansion unit. SOLUTION: A two-stage expansion, two-stage cooling Gifford-MacMahon GM refrigerating machine having a design cooling temperature lower than 5K comprises a cold head 2 substantially disposed in a vacuum container 1, and a gas supply system 4 disposed in room temperature atmosphere. The cold head 2 comprises a displacer 12 contained in a stepped cylinder 11 reciprocally in the direction of gravity. The displacer 12 comprises first and second displacers 16, 18 of different diameter and cold accumulators 23, 25 of first and second stages are formed, respectively, in the displacers 16, 18. Volume of the second stage cold accumulator 25 is set 1.5-4 times as large as the expansion volume formed in a second expansion chamber 17.
    • 9. 发明专利
    • 冷凍機
    • 冷冻机
    • JP2015052426A
    • 2015-03-19
    • JP2013185607
    • 2013-09-06
    • 株式会社東芝Toshiba Corp
    • OGAWA TAKANARIOTANI YASUMIFUJII HIDENORI
    • F25B9/14
    • 【課題】実施形態は、冷凍機全体のエネルギー損失を小さくすることができ、運転効率の向上が図れる冷凍機を提供することである。【解決手段】蓄冷器を介して一端側に高温側の圧縮部、他端側に低温側の膨張部が配設されるスターリングサイクルの冷凍機である。シリンダ7a内に配設され、作動媒体を駆動する圧縮膨張兼用ピストン7bの一面側を圧縮器7c、その裏面側を膨張器7dとして機能させる圧縮膨張兼用部7を前記圧縮部5と前記膨張部6との間に配設させた。【選択図】図2
    • 要解决的问题:提供一种能够降低整个冷冻机的能量损失并且提高运行效率的冷冻机。解决方案:冷冻机是一端的斯特林循环,其高温 侧压缩部分设置在另一侧,低温侧膨胀部分经由冷冻器设置。 压缩/膨胀组合部分7,其中布置在气缸7a中以致动操作介质的压缩/膨胀组合活塞7b的一个表面侧用作压缩机7c,并且其后表面侧用作膨胀器7d, 压缩机部件5和膨胀部件6。