JP2005090854A - 極低温蓄冷器及び冷凍機 - Google Patents
極低温蓄冷器及び冷凍機 Download PDFInfo
- Publication number
- JP2005090854A JP2005090854A JP2003324378A JP2003324378A JP2005090854A JP 2005090854 A JP2005090854 A JP 2005090854A JP 2003324378 A JP2003324378 A JP 2003324378A JP 2003324378 A JP2003324378 A JP 2003324378A JP 2005090854 A JP2005090854 A JP 2005090854A
- Authority
- JP
- Japan
- Prior art keywords
- regenerator
- refrigerator
- stage
- cryogenic
- gos
- 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.)
- Pending
Links
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
- F25B2309/00—Gas cycle refrigeration machines
- F25B2309/14—Compression machines, plants or systems characterised by the cycle used
- F25B2309/1413—Pulse-tube cycles characterised by performance, geometry or theory
-
- 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
- F25B2309/00—Gas cycle refrigeration machines
- F25B2309/14—Compression machines, plants or systems characterised by the cycle used
- F25B2309/1415—Pulse-tube cycles characterised by regenerator details
-
- 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
- F25B9/14—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point characterised by the cycle used, e.g. Stirling cycle
- F25B9/145—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point characterised by the cycle used, e.g. Stirling cycle pulse-tube cycle
Abstract
【解決手段】蓄冷材32として、鉛32A以外に、体積比率で12〜30%のHoCu2(磁性蓄冷材)32Bと、15〜31%のGOS32Cを充填した2段蓄冷器31が内蔵された極低温冷凍機1とする。
【選択図】図1
Description
a+0.4b<35
とすることが好ましく、又、前記蓄冷材を、高温側から鉛、HoCu2及びGOSの順に積層することが好ましい。
a+0.4b<35
となるように、両蓄冷材の体積比率を決定する。
2…1段シリンダ
3…2段シリンダ
21…1段蓄冷器
22…1段蓄冷材
23…1段冷却ステージ
31…2段蓄冷器
32…2段蓄冷材
32A…高温側蓄冷材
32B…低温側蓄冷材
33…2段冷却ステージ
Claims (8)
- 蓄冷材として、鉛以外に、体積比率で12〜30%のHoCu2と15〜31%のGOSを充填したことを特徴とする極低温蓄冷器。
- HoCu2の体積比率をa%、GOSの体積比率をb%とした場合、
a+0.4b<35
とすることを特徴とする請求項1に記載の極低温蓄冷器。 - 前記蓄冷材を、高温側から鉛、HoCu2及びGOSの順に積層することを特徴とする請求項1又は2に記載の極低温蓄冷器。
- 請求項1、2又は3に記載の極低温蓄冷器を備えたことを特徴とする極低温冷凍機。
- 請求項4に記載の極低温冷凍機を備えたことを特徴とする超電導磁石装置。
- 請求項4に記載の極低温冷凍機を備えたことを特徴とするMRI装置。
- 請求項4に記載の極低温冷凍機を備えたことを特徴とするクライオポンプ。
- 請求項4に記載の極低温冷凍機を備えたことを特徴とするジョセフソン電圧標準装置。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003324378A JP2005090854A (ja) | 2003-09-17 | 2003-09-17 | 極低温蓄冷器及び冷凍機 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003324378A JP2005090854A (ja) | 2003-09-17 | 2003-09-17 | 極低温蓄冷器及び冷凍機 |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2005090854A true JP2005090854A (ja) | 2005-04-07 |
Family
ID=34455149
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003324378A Pending JP2005090854A (ja) | 2003-09-17 | 2003-09-17 | 極低温蓄冷器及び冷凍機 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2005090854A (ja) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010060246A (ja) * | 2008-09-05 | 2010-03-18 | Toshiba Corp | 切替弁及び蓄冷式冷凍機 |
JP2012237478A (ja) * | 2011-05-10 | 2012-12-06 | Institute Of National Colleges Of Technology Japan | 蓄冷器 |
US10753652B2 (en) | 2012-10-22 | 2020-08-25 | Kabushiki Kaisha Toshiba | Cold head, superconducting magnet, examination apparatus, and cryopump |
CN113265552A (zh) * | 2021-04-30 | 2021-08-17 | 福建省长汀金龙稀土有限公司 | 一种磁制冷用稀土钬铜合金的制备方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001263844A (ja) * | 2000-03-24 | 2001-09-26 | Sumitomo Heavy Ind Ltd | 極低温冷凍機 |
JP2003021414A (ja) * | 2001-07-10 | 2003-01-24 | Sumitomo Heavy Ind Ltd | 蓄冷式冷凍機 |
JP2003073661A (ja) * | 2001-06-18 | 2003-03-12 | Konoshima Chemical Co Ltd | 希土類オキシ硫化物蓄冷材及び蓄冷器 |
JP2003213252A (ja) * | 2002-01-18 | 2003-07-30 | Konoshima Chemical Co Ltd | 希土類オキシ硫化物蓄冷材及び蓄冷器 |
-
2003
- 2003-09-17 JP JP2003324378A patent/JP2005090854A/ja active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001263844A (ja) * | 2000-03-24 | 2001-09-26 | Sumitomo Heavy Ind Ltd | 極低温冷凍機 |
JP2003073661A (ja) * | 2001-06-18 | 2003-03-12 | Konoshima Chemical Co Ltd | 希土類オキシ硫化物蓄冷材及び蓄冷器 |
JP2003021414A (ja) * | 2001-07-10 | 2003-01-24 | Sumitomo Heavy Ind Ltd | 蓄冷式冷凍機 |
JP2003213252A (ja) * | 2002-01-18 | 2003-07-30 | Konoshima Chemical Co Ltd | 希土類オキシ硫化物蓄冷材及び蓄冷器 |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010060246A (ja) * | 2008-09-05 | 2010-03-18 | Toshiba Corp | 切替弁及び蓄冷式冷凍機 |
JP2012237478A (ja) * | 2011-05-10 | 2012-12-06 | Institute Of National Colleges Of Technology Japan | 蓄冷器 |
US10753652B2 (en) | 2012-10-22 | 2020-08-25 | Kabushiki Kaisha Toshiba | Cold head, superconducting magnet, examination apparatus, and cryopump |
US11530846B2 (en) | 2012-10-22 | 2022-12-20 | Kabushiki Kaisha Toshiba | Cold head, superconducting magnet, examination apparatus, and cryopump |
CN113265552A (zh) * | 2021-04-30 | 2021-08-17 | 福建省长汀金龙稀土有限公司 | 一种磁制冷用稀土钬铜合金的制备方法 |
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