JPWO2020067356A1 - 蓄冷材、冷凍機、超電導コイル組込装置及び蓄冷材の製造方法 - Google Patents
蓄冷材、冷凍機、超電導コイル組込装置及び蓄冷材の製造方法 Download PDFInfo
- Publication number
- JPWO2020067356A1 JPWO2020067356A1 JP2020549393A JP2020549393A JPWO2020067356A1 JP WO2020067356 A1 JPWO2020067356 A1 JP WO2020067356A1 JP 2020549393 A JP2020549393 A JP 2020549393A JP 2020549393 A JP2020549393 A JP 2020549393A JP WO2020067356 A1 JPWO2020067356 A1 JP WO2020067356A1
- Authority
- JP
- Japan
- Prior art keywords
- cold storage
- storage material
- refrigerator
- thcr
- comparative example
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000011232 storage material Substances 0.000 title claims abstract description 116
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 7
- 238000001816 cooling Methods 0.000 claims abstract description 24
- 229910000765 intermetallic Inorganic materials 0.000 claims abstract description 23
- 230000005415 magnetization Effects 0.000 claims abstract description 17
- 239000008187 granular material Substances 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 claims description 25
- 239000002245 particle Substances 0.000 claims description 15
- 239000007788 liquid Substances 0.000 claims description 14
- 238000002844 melting Methods 0.000 claims description 8
- 230000008018 melting Effects 0.000 claims description 8
- 230000008569 process Effects 0.000 claims description 6
- 229910052692 Dysprosium Inorganic materials 0.000 claims description 3
- 229910052691 Erbium Inorganic materials 0.000 claims description 3
- 229910052688 Gadolinium Inorganic materials 0.000 claims description 3
- 229910052689 Holmium Inorganic materials 0.000 claims description 3
- 229910052779 Neodymium Inorganic materials 0.000 claims description 3
- 229910052777 Praseodymium Inorganic materials 0.000 claims description 3
- 229910052772 Samarium Inorganic materials 0.000 claims description 3
- 229910052771 Terbium Inorganic materials 0.000 claims description 3
- 229910052775 Thulium Inorganic materials 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 229910052684 Cerium Inorganic materials 0.000 claims description 2
- 229910052693 Europium Inorganic materials 0.000 claims description 2
- 229910052765 Lutetium Inorganic materials 0.000 claims description 2
- 229910052769 Ytterbium Inorganic materials 0.000 claims description 2
- 229910052804 chromium Inorganic materials 0.000 claims description 2
- 239000002826 coolant Substances 0.000 claims description 2
- 229910052802 copper Inorganic materials 0.000 claims description 2
- 229910052741 iridium Inorganic materials 0.000 claims description 2
- 229910052742 iron Inorganic materials 0.000 claims description 2
- 229910052746 lanthanum Inorganic materials 0.000 claims description 2
- 229910052748 manganese Inorganic materials 0.000 claims description 2
- 229910052759 nickel Inorganic materials 0.000 claims description 2
- 229910052763 palladium Inorganic materials 0.000 claims description 2
- 229910052697 platinum Inorganic materials 0.000 claims description 2
- 229910052703 rhodium Inorganic materials 0.000 claims description 2
- 229910052707 ruthenium Inorganic materials 0.000 claims description 2
- 229910052706 scandium Inorganic materials 0.000 claims description 2
- 229910052719 titanium Inorganic materials 0.000 claims description 2
- 229910052720 vanadium Inorganic materials 0.000 claims description 2
- 229910052727 yttrium Inorganic materials 0.000 claims description 2
- 230000000052 comparative effect Effects 0.000 description 42
- 239000007789 gas Substances 0.000 description 36
- 238000003860 storage Methods 0.000 description 23
- 238000002595 magnetic resonance imaging Methods 0.000 description 17
- 230000008014 freezing Effects 0.000 description 13
- 238000007710 freezing Methods 0.000 description 13
- 238000010438 heat treatment Methods 0.000 description 11
- 239000013078 crystal Substances 0.000 description 9
- 229910052751 metal Inorganic materials 0.000 description 9
- 239000002184 metal Substances 0.000 description 9
- 239000000203 mixture Substances 0.000 description 8
- 239000012071 phase Substances 0.000 description 7
- 238000010791 quenching Methods 0.000 description 7
- 230000000171 quenching effect Effects 0.000 description 7
- 238000002441 X-ray diffraction Methods 0.000 description 6
- 239000010949 copper Substances 0.000 description 6
- 238000005259 measurement Methods 0.000 description 6
- 238000000634 powder X-ray diffraction Methods 0.000 description 6
- 238000007711 solidification Methods 0.000 description 6
- 230000008023 solidification Effects 0.000 description 5
- 238000011049 filling Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- 230000004044 response Effects 0.000 description 4
- 229910052797 bismuth Inorganic materials 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 239000011261 inert gas Substances 0.000 description 3
- 229910052745 lead Inorganic materials 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 239000012798 spherical particle Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 229910000881 Cu alloy Inorganic materials 0.000 description 2
- 238000000137 annealing Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005469 granulation Methods 0.000 description 2
- 230000003179 granulation Effects 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- 238000010583 slow cooling Methods 0.000 description 2
- 239000007790 solid phase Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- GPAAEXYTRXIWHR-UHFFFAOYSA-N (1-methylpiperidin-1-ium-1-yl)methanesulfonate Chemical compound [O-]S(=O)(=O)C[N+]1(C)CCCCC1 GPAAEXYTRXIWHR-UHFFFAOYSA-N 0.000 description 1
- 229910001152 Bi alloy Inorganic materials 0.000 description 1
- 229910000978 Pb alloy Inorganic materials 0.000 description 1
- 238000003991 Rietveld refinement Methods 0.000 description 1
- 101000693961 Trachemys scripta 68 kDa serum albumin Proteins 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000009689 gas atomisation Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000005339 levitation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 229920000314 poly p-methyl styrene Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 206010063401 primary progressive multiple sclerosis Diseases 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- -1 rare earth compounds Chemical class 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 238000003303 reheating Methods 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B9/00—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point
- F25B9/002—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point characterised by the refrigerant
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
- H01F1/012—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials adapted for magnetic entropy change by magnetocaloric effect, e.g. used as magnetic refrigerating material
- H01F1/015—Metals or alloys
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K5/00—Heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants; Materials for the production of heat or cold by chemical reactions other than by combustion
- C09K5/08—Materials not undergoing a change of physical state when used
- C09K5/14—Solid materials, e.g. powdery or granular
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B21/00—Machines, plants or systems, using electric or magnetic effects
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B9/00—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
- H01F1/012—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials adapted for magnetic entropy change by magnetocaloric effect, e.g. used as magnetic refrigerating material
- H01F1/017—Compounds
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F6/00—Superconducting magnets; Superconducting coils
- H01F6/04—Cooling
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F6/00—Superconducting magnets; Superconducting coils
- H01F6/06—Coils, e.g. winding, insulating, terminating or casing arrangements therefor
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/06—Electromagnets; Actuators including electromagnets
- H01F7/20—Electromagnets; Actuators including electromagnets without armatures
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G37/00—Compounds of chromium
- C01G37/006—Compounds containing, besides chromium, two or more other elements, with the exception of oxygen or hydrogen
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Combustion & Propulsion (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electromagnetism (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
- Powder Metallurgy (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
Description
以下、実施形態について詳細に説明する。図1は第1実施形態に係る蓄冷材の結晶構造を示すThCr2Si2型構造11の模型図である。第1実施形態に係る蓄冷材は、ThCr2Si2型構造11が80体積%以上占める金属間化合物からなる粒体であり、結晶子サイズが70nm以下である。
L=Kλ/(βcosθ) (1)(但し、K;Scherrer定数、λ;使用X線の波長)
なお機械的強度は振動試験により評価することができる。
図3は、第2実施形態に係る冷凍機30として例示される2段膨張式のGM冷凍機の断面図である。この冷凍機30は、大径の第1シリンダ31と、この第1シリンダ31と同軸的に接続された小径の第2シリンダ32と、を有している。第1シリンダ31には第1蓄冷器34が往復動自在に配置されており、第2シリンダ32には第2蓄冷器35が往復動自在に配置されている。第1シリンダ31と第1蓄冷器34との間、及び第2シリンダ32と第2蓄冷器35との間には、それぞれシールリング36、37が配置されている。
図4は、第3実施形態に係る超電導コイル組込装置の一例を示す核磁気共鳴診断装置(magnetic resonance imaging;MRI装置)50の断面図である。このMRI装置50による診断は、被検者52が横臥する可動式の台(図示せず)を、トンネル状のボア空間51の中に移動させる。そして、第1電磁石53により静磁場を、第2電磁石54により傾斜磁場を印加する。
次に実施例1についてより具体的に説明する。金属間化合物DyCu2Ge2の成分である元素金属を原料とし、量論比で配合し溶融して、ロール急冷法でノズルとロール間の距離を0.5mmに設定し、冷却速度105〜106℃/secで急冷凝固処理した薄片状試料を作製した。そして比較例1として、配合及び溶融の条件を実施例1と共通にし、アーク溶解法を用いて冷却速度102℃/secで徐冷凝固処理したバルク状試料を作製した。
ノズルとロール間の距離を0.6mmにしたこと以外は実施例1と同様の条件で薄片状試料を作製した。
ノズルとロール間の距離を0.7mmにしたこと以外は実施例1と同様の条件で薄片状試料を作製した。
配合及び溶融の条件を比較例1と共通にし、凝固点以下の800℃で1週間熱処理し、バルク状試料を作製した。なおこの比較例2の試料の作製条件は、上記の非特許文献1の開示条件を再現したものである。
凝固点以下の900℃で4日間熱処理したこと以外は比較例2と同様に、バルク状試料を作製した。
凝固点以下の800℃で4日間熱処理したこと以外は比較例2と同様に、バルク状試料を作製した。
凝固点以下の700℃で4日間熱処理したこと以外は比較例2と同様に、バルク状試料を作製した。
配合の条件を実施例1と共通にし、高周波溶解法を用いて冷却速度102℃/secで徐冷凝固処理したバルク状試料を作製した。
組成をDyCu2Si2にしたこと以外は実施例1と同様の条件で薄片状試料を作製した。
組成をDyCu2Si2にしたこと以外は比較例1と同様の条件でバルク状試料を作製した。
凝固点以下の900℃で4日間熱処理したこと以外は比較例7と同様に、バルク状試料を作製した。
組成をGdCu2Si2にしたこと以外は実施例1と同様の条件で薄片状試料を作製した。
組成をGdCu2Si2にしたこと以外は比較例1と同様の条件でバルク状試料を作製した。
凝固点以下の900℃で4日間熱処理したこと以外は比較例9と同様に、バルク状試料を作製した。
組成をPrCu2Si2にしたこと以外は実施例1と同様の条件で薄片状試料を作製した。
組成をPrCu2Si2にしたこと以外は比較例1と同様の条件でバルク状試料を作製した。
凝固点以下の900℃で4日間熱処理したこと以外は比較例11と同様に、バルク状試料を作製した。
組成をNdCu2Si2にしたこと以外は実施例1と同様の条件で薄片状試料を作製した。
組成をNdCu2Si2にしたこと以外は比較例1と同様の条件でバルク状試料を作製した。
凝固点以下の900℃で4日間熱処理したこと以外は比較例13と同様の条件でバルク状試料を作製した。
Claims (6)
- ThCr2Si2型構造が80体積%以上占める金属間化合物からなる粒体であり、結晶子サイズが70nm以下である蓄冷材。
- 請求項1に記載の蓄冷材であって、
前記粒体は、
粒径が0.01mm〜1mmの範囲に含まれ、
投影像の面積をAとし前記投影像に外接する最小の外接円の面積をMとした場合、全ての投影方向において、M/Aで表される形状係数が1.0〜5.0の範囲に含まれる蓄冷材。 - 請求項1又は請求項2に記載の蓄冷材であって、
前記ThCr2Si2型構造において、ThサイトはLa、Ce、Pr、Nd、Pm、Sm、Eu、Gd、Tb、Dy、Ho、Er、Tm、Yb、Lu、Sc及びYからなる群から選択される少なくとも1種の元素で、CrサイトはTi、V、Cr、Mn、Fe、Co、Ni、Cu、Ru、Rh、Pd、Ir及びPtからなる群から選択される少なくとも1種の元素で、SiサイトはSi及びGeから選択される少なくとも1種の元素である蓄冷材。 - 請求項1から請求項3のいずれか1項に記載の蓄冷材を搭載した冷凍機。
- 請求項4に記載の冷凍機を搭載した超電導コイル組込装置であって、冷凍機に搭載されている蓄冷材の外部磁場1000Oe、温度が5K以下における磁化が10emu/g以下である超電導コイル組込装置。
- ThCr2Si2型構造を取り得る金属間化合物の成分元素をその量論比で配合し溶融する工程と、
前記溶融した液体を、動的な冷却媒体に注入し急冷凝固させ粒体にする工程と、を含む蓄冷材の製造方法。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2023154004A JP2023174677A (ja) | 2018-09-28 | 2023-09-20 | 極低温冷凍機、その製造方法及び超電導コイル組込装置 |
JP2023154005A JP2023182630A (ja) | 2018-09-28 | 2023-09-20 | クライオポンプ |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018185628 | 2018-09-28 | ||
JP2018185628 | 2018-09-28 | ||
PCT/JP2019/037995 WO2020067356A1 (ja) | 2018-09-28 | 2019-09-26 | 蓄冷材、冷凍機、超電導コイル組込装置及び蓄冷材の製造方法 |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2023154004A Division JP2023174677A (ja) | 2018-09-28 | 2023-09-20 | 極低温冷凍機、その製造方法及び超電導コイル組込装置 |
JP2023154005A Division JP2023182630A (ja) | 2018-09-28 | 2023-09-20 | クライオポンプ |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2020067356A1 true JPWO2020067356A1 (ja) | 2021-09-24 |
JP7355751B2 JP7355751B2 (ja) | 2023-10-03 |
Family
ID=69950762
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2020549393A Active JP7355751B2 (ja) | 2018-09-28 | 2019-09-26 | 蓄冷材、冷凍機、超電導コイル組込装置及び蓄冷材の製造方法 |
JP2023154005A Pending JP2023182630A (ja) | 2018-09-28 | 2023-09-20 | クライオポンプ |
JP2023154004A Pending JP2023174677A (ja) | 2018-09-28 | 2023-09-20 | 極低温冷凍機、その製造方法及び超電導コイル組込装置 |
Family Applications After (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2023154005A Pending JP2023182630A (ja) | 2018-09-28 | 2023-09-20 | クライオポンプ |
JP2023154004A Pending JP2023174677A (ja) | 2018-09-28 | 2023-09-20 | 極低温冷凍機、その製造方法及び超電導コイル組込装置 |
Country Status (8)
Country | Link |
---|---|
US (3) | US20210309904A1 (ja) |
EP (1) | EP3858944A4 (ja) |
JP (3) | JP7355751B2 (ja) |
CN (2) | CN112752824B (ja) |
CA (1) | CA3112908A1 (ja) |
IL (1) | IL281571A (ja) |
RU (1) | RU2771034C1 (ja) |
WO (1) | WO2020067356A1 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7321732B2 (ja) * | 2019-03-18 | 2023-08-07 | 株式会社東芝 | 蓄冷材粒子、蓄冷器、冷凍機、超電導磁石、核磁気共鳴イメージング装置、核磁気共鳴装置、クライオポンプ、及び、磁界印加式単結晶引上げ装置 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2609747B2 (ja) * | 1989-07-31 | 1997-05-14 | 株式会社東芝 | 蓄冷材およびその製造方法 |
JPH11325628A (ja) * | 1998-05-11 | 1999-11-26 | Toshiba Corp | 蓄冷材および蓄冷式冷凍機 |
JP2013189543A (ja) * | 2012-03-13 | 2013-09-26 | Toyama Univ | 磁気冷凍材料、蓄冷材料及びそれを用いた冷凍システム |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1515546A (en) * | 1923-05-09 | 1924-11-11 | Milton W Browne | Cold-storage system |
JPH06101915A (ja) | 1992-09-18 | 1994-04-12 | Mitsubishi Electric Corp | 蓄冷材及びその製造方法 |
EP1384961B1 (en) * | 1994-08-23 | 2013-04-10 | Kabushiki Kaisha Toshiba | Regenerator material for extremely low temperatures and regenerator for extremely low temperatures using the same |
JP3677818B2 (ja) | 1995-06-29 | 2005-08-03 | アイシン精機株式会社 | 蓄冷器 |
EP0947785B1 (en) * | 1997-10-20 | 2003-04-23 | Kabushiki Kaisha Toshiba | Cold-accumulating material and cold-accumulating refrigerator |
CN101477864B (zh) * | 2008-10-15 | 2011-11-23 | 瑞科稀土冶金及功能材料国家工程研究中心有限公司 | 具有大磁热效应的稀土磁制冷材料及其制备工艺 |
CN102383018B (zh) * | 2011-11-10 | 2013-08-07 | 杭州电子科技大学 | 一种稀土-铬-硅基磁制冷材料的制备方法 |
CN102978422B (zh) * | 2012-11-23 | 2014-12-17 | 北京科技大学 | 具有大磁热效应的稀土-镍-硅材料的制备方法和用途 |
EP3312254B1 (en) * | 2015-06-19 | 2021-08-04 | Kaneka Corporation | Cold storage material composition, cold storage material, and transport container |
-
2019
- 2019-09-26 JP JP2020549393A patent/JP7355751B2/ja active Active
- 2019-09-26 EP EP19867391.5A patent/EP3858944A4/en active Pending
- 2019-09-26 CN CN201980063190.2A patent/CN112752824B/zh active Active
- 2019-09-26 RU RU2021111919A patent/RU2771034C1/ru active
- 2019-09-26 WO PCT/JP2019/037995 patent/WO2020067356A1/ja unknown
- 2019-09-26 CN CN202211265113.5A patent/CN115574481A/zh active Pending
- 2019-09-26 CA CA3112908A patent/CA3112908A1/en active Pending
-
2021
- 2021-03-16 IL IL281571A patent/IL281571A/en unknown
- 2021-03-24 US US17/211,376 patent/US20210309904A1/en active Pending
-
2022
- 2022-08-31 US US17/900,637 patent/US20230002663A1/en active Pending
- 2022-08-31 US US17/900,629 patent/US20230002662A1/en active Pending
-
2023
- 2023-09-20 JP JP2023154005A patent/JP2023182630A/ja active Pending
- 2023-09-20 JP JP2023154004A patent/JP2023174677A/ja active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2609747B2 (ja) * | 1989-07-31 | 1997-05-14 | 株式会社東芝 | 蓄冷材およびその製造方法 |
JPH11325628A (ja) * | 1998-05-11 | 1999-11-26 | Toshiba Corp | 蓄冷材および蓄冷式冷凍機 |
JP2013189543A (ja) * | 2012-03-13 | 2013-09-26 | Toyama Univ | 磁気冷凍材料、蓄冷材料及びそれを用いた冷凍システム |
Non-Patent Citations (5)
Title |
---|
D.C. DOS REIS ET AL.: "Journal of Magnetism and Magnetic Materials", MAGNETIC AND MAGNETOCALORIC PROPERTIES OF DYMN2SI2 COMPOUND WITH MULTIPLE MAGNETIC PHASE TRANSITION, vol. 424, JPN6019049092, 4 October 2016 (2016-10-04), pages 84 - 88, ISSN: 0005092023 * |
L. GONDEK ET AL.: "ACTA PHYSICA POLONICA A", LOW-TEMPERATURE SPECIFIC HEAT AND MAGNETOCALORIC EFFECT IN RCU2GE2 R=(DY-TM) COMPOUNDS, vol. 122, no. 2, JPN6019049095, 2012, pages 391 - 393, ISSN: 0005092025 * |
MO, ZHAO-JUN ET AL.: "Journal of Applied Physics", MAGNETIC PROPERTIES AND MAGNETOCALORIC EFFECT IN THE RCU2SI2 AND RCU2GE2 (R=HO, ER) COMPOUNDS, vol. 115, no. 073905, JPN6019049091, 21 February 2014 (2014-02-21), ISSN: 0005092022 * |
S.M. YUSUF: "Journal of Applied Physics", MAGNETIC PROPERTIES AND MAGNETOCALORIC EFFECT IN INTERMETALLIC COMPOUNDS NDMN2-XCOXSI2, vol. 111, no. 093914, JPN6019049094, 7 May 2012 (2012-05-07), ISSN: 0005092024 * |
須藤一 ほか, 金属組織学, JPN6019049097, 31 August 1972 (1972-08-31), pages 69 - 73, ISSN: 0005092026 * |
Also Published As
Publication number | Publication date |
---|---|
CN115574481A (zh) | 2023-01-06 |
EP3858944A4 (en) | 2022-06-22 |
EP3858944A1 (en) | 2021-08-04 |
JP2023174677A (ja) | 2023-12-08 |
WO2020067356A1 (ja) | 2020-04-02 |
JP7355751B2 (ja) | 2023-10-03 |
CA3112908A1 (en) | 2020-04-02 |
JP2023182630A (ja) | 2023-12-26 |
US20210309904A1 (en) | 2021-10-07 |
US20230002662A1 (en) | 2023-01-05 |
RU2771034C1 (ru) | 2022-04-25 |
CN112752824B (zh) | 2022-11-04 |
US20230002663A1 (en) | 2023-01-05 |
CN112752824A (zh) | 2021-05-04 |
IL281571A (en) | 2021-05-31 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US20080104967A1 (en) | Regenerator Material, Regenerator and Regenerative Cryocooler | |
US6467277B2 (en) | Cold accumulating material, method of manufacturing the same and refrigerator using the material | |
JP2023182630A (ja) | クライオポンプ | |
JP3769024B2 (ja) | 極低温用蓄冷材、それを用いた極低温用蓄冷器、および冷凍機 | |
EP0947785B1 (en) | Cold-accumulating material and cold-accumulating refrigerator | |
JP6495546B1 (ja) | HoCu系蓄冷材並びにこれを備えた蓄冷器及び冷凍機 | |
JPH11325628A (ja) | 蓄冷材および蓄冷式冷凍機 | |
JP6377880B1 (ja) | 希土類蓄冷材並びにこれを備えた蓄冷器及び冷凍機 | |
JP5578501B2 (ja) | 蓄冷材、蓄冷器及び極低温蓄冷式冷凍機 | |
US6334909B1 (en) | Cold-accumulating material and cold-accumulating refrigerator using the same | |
JP4582994B2 (ja) | 蓄冷材、その製造方法および蓄冷式冷凍機 | |
JP3751646B2 (ja) | 蓄冷材料およびこれを用いた冷凍機 | |
WO2022224783A1 (ja) | 磁性蓄冷材粒子、蓄冷器、冷凍機、クライオポンプ、超電導磁石、核磁気共鳴イメージング装置、核磁気共鳴装置、磁界印加式単結晶引上げ装置、及び、ヘリウム再凝縮装置 | |
JP4568170B2 (ja) | 極低温用蓄冷材の製造方法および極低温用蓄冷器の製造方法 | |
JP2004143341A (ja) | 蓄冷材およびこれを用いた蓄冷式冷凍機 | |
JP2004099822A (ja) | 蓄冷材およびこれを用いた蓄冷式冷凍機 | |
JPH11294882A (ja) | 蓄冷材および蓄冷式冷凍機 | |
JP4253686B2 (ja) | 冷凍機 | |
TW386107B (en) | Magnetic hold-over material for extremely low temperature and refrigerator using the same |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20220518 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20230214 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20230412 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20230627 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20230804 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20230822 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20230921 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 7355751 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |