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公开(公告)号：US20230002663A1
公开(公告)日：2023-01-05
申请号：US17900637
申请日：2022-08-31
Applicant: KABUSHIKI KAISHA TOSHIBA , TOSHIBA MATERIALS CO., LTD.
Inventor： Takahiro KAWAMOTO , Tomoko EGUCHI , Tomohiro YAMASHITA , Masaya HAGIWARA , Akiko SAITO , Daichi USUI
Abstract: A cold storage material, which has a large specific heat and a small magnetization in an extremely low temperature region and has satisfactory manufacturability, is provided, and a method for manufacturing the same is provided. Further, a refrigerator having high efficiency and excellent cooling performance is provided by filling this refrigerator with the above-described cold storage material. Moreover, a device incorporating a superconducting coil capable of reducing influence of magnetic noise derived from a cold storage material is provided. The cold storage material of embodiments is a granular body composed of an intermetallic compound in which the ThCr2Si2-type structure 11 occupies 80% by volume or more, and has a crystallite size of 70 nm or less.
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公开(公告)号：US20150033763A1
公开(公告)日：2015-02-05
申请号：US14502537
申请日：2014-09-30
Applicant: Kabushiki Kaisha Toshiba
Inventor： Akiko SAITO , Norihiro TOMIMATSU , Tadahiko KOBAYASHI , Shiori KAJI , Ryosuke YAGI
Abstract: A composite material for magnetic refrigeration is provided. The composite material for magnetic refrigeration includes a magnetocaloric effect material having a magnetocaloric effect; and a heat conductive material dispersed in the magnetocaloric effect material. The heat conductive material is at least one selected from the group consisting of a carbon nanotube and a carbon nanofiber.
Abstract translation: 提供了一种用于磁性制冷的复合材料。 用于磁致冷的复合材料包括具有磁热效应的磁热效应材料; 以及分散在磁热效应材料中的导热材料。 导热材料是选自碳纳米管和碳纳米纤维中的至少一种。
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Patent Agency Ranking
公开(公告)号：US20210309904A1
公开(公告)日：2021-10-07
申请号：US17211376
申请日：2021-03-24
Applicant: KABUSHIKI KAISHA TOSHIBA , TOSHIBA MATERIALS CO., LTD.
Inventor： Takahiro KAWAMOTO , Tomoko EGUCHI , Tomohiro YAMASHITA , Masaya HAGIWARA , Akiko SAITO , Daichi USUI
Abstract: A cold storage material, which has a large specific heat and a small magnetization in an extremely low temperature region and has satisfactory manufacturability, is provided, and a method for manufacturing the same is provided. Further, a refrigerator having high efficiency and excellent cooling performance is provided by filling this refrigerator with the above-described cold storage material. Moreover, a device incorporating a superconducting coil capable of reducing influence of magnetic noise derived from a cold storage material is provided. The cold storage material of embodiments is a granular body composed of an intermetallic compound in which the ThCr2Si2-type structure 11 occupies 80% by volume or more, and has a crystallite size of 70 nm or less.
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4.发明申请公开(公告)号：US20170122625A1
公开(公告)日：2017-05-04
申请号：US15263584
申请日：2016-09-13
Applicant: Kabushiki Kaisha Toshiba
Inventor： Masaki ENDO , Akiko SAITO , Koichi HARADA , Norihiro TOMIMATSU
CPC classification number: F25B9/14 , C09K5/14 , F25B2309/003
Abstract: One embodiment provides a cryogenic regenerator material containing as the main constituent at least one compound (A) containing at least one metallic element M and at least one non-metallic element X selected from O, S, N and F. The compound (A) in the cryogenic regenerator material has a half width of a main peak of 0.2 degrees or more obtained by the powder X-ray diffraction measurement.
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公开(公告)号：US20230002662A1
公开(公告)日：2023-01-05
申请号：US17900629
申请日：2022-08-31
Applicant: KABUSHIKI KAISHA TOSHIBA , TOSHIBA MATERIALS CO., LTD.
Inventor： Takahiro KAWAMOTO , Tomoko EGUCHI , Tomohiro YAMASHITA , Masaya HAGIWARA , Akiko SAITO , Daichi USUI
Abstract: A cold storage material, which has a large specific heat and a small magnetization in an extremely low temperature region and has satisfactory manufacturability, is provided, and a method for manufacturing the same is provided. Further, a refrigerator having high efficiency and excellent cooling performance is provided by filling this refrigerator with the above-described cold storage material. Moreover, a device incorporating a superconducting coil capable of reducing influence of magnetic noise derived from a cold storage material is provided. The cold storage material of embodiments is a granular body composed of an intermetallic compound in which the ThCr2Si2-type structure 11 occupies 80% by volume or more, and has a crystallite size of 70 nm or less.
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公开(公告)号：US20140116067A1
公开(公告)日：2014-05-01
申请号：US14147693
申请日：2014-01-06
Applicant: KABUSHIKI KAISHA TOSHIBA
Inventor： Shinya SAKURADA , Akiko SAITO , Tadahiko KOBAYASHI , Hideyuki TSUJI
IPC: F25B21/00
CPC classification number: F25B21/00 , C22C38/005 , C22C45/02 , H01F1/015
Abstract: Magnetic materials, having: a composition represented by a general formula: (R1-yXy)x(Fe1-aMa)100-x where, R is at least one of element selected from the group consisting of La, Ce, Pr, Nd, Sm, Gd, Tb, Dy, Ho, Er, Tm, Yb and Y, X is at least one of element selected from the group consisting of Ti, Zr and Hf, M is at least one of element selected from the group consisting of V, Cr, Mn, Ni, Cu, Zn, Nb, Mo, Ta, W, Al, Si, Ga and Ge, x is a value satisfying 4≦x≦20 atomic %, y is a value satisfying 0.01≦y≦0.9, and a is a value satisfying 0≦a≦0.2, wherein the magnetic material includes a Th2Ni17 crystal phase or a TbCu7 crystal phase as a main phase, that are useful for magnetic refrigeration.
Abstract translation: 磁性材料，具有以下通式表示的组成：（R1-yXy）x（Fe1-aMa）100-x其中，R是选自La，Ce，Pr，Nd中的至少一种元素， Sm，Gd，Tb，Dy，Ho，Er，Tm，Yb和Y中的至少一种，X是选自Ti，Zr和Hf中的至少一种元素，M是选自以下的元素中的至少一种： V，Cr，Mn，Ni，Cu，Zn，Nb，Mo，Ta，W，Al，Si，Ga和Ge，x是满足4＆nlE; x＆nlE; 20原子％的值，y是满足0.01＆nlE; y＆ ; 0.9，a是满足0＆lt; nlE; a＆nlE; 0.2的值，其中所述磁性材料包括可用于磁性制冷的Th2Ni17晶相或TbCu7晶相作为主相。
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公开(公告)号：US20130232993A1
公开(公告)日：2013-09-12
申请号：US13872452
申请日：2013-04-29
Applicant: KABUSHIKI KAISHA TOSHIBA
Inventor： Akiko SAITO , Tadahiko KOBAYASHI , Shiori KAJI
IPC: F25B21/00
CPC classification number: F25B21/00 , F25B2321/002 , F28F13/003 , F28F13/06 , Y02B30/66
Abstract: According to one embodiment, a heat exchanger includes a container, and a plurality of heat exchange components. The container is fed with a heat transport medium. The plurality of heat exchange components is provided with a prescribed spacing inside the container. The plurality of heat exchange components is provided along a flowing direction of the heat transport medium so as not to overlap at least partly as viewed in the flowing direction of the heat transport medium.
Abstract translation: 根据一个实施例，热交换器包括容器和多个热交换部件。 容器中装有热传输介质。 多个热交换部件在容器内设有规定的间隔。 多个热交换部件沿着传热介质的流动方向设置，以便在热传输介质的流动方向上至少部分地不重叠。
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