JP2500724Y2 - 極低温冷凍機 - Google Patents
極低温冷凍機Info
- Publication number
- JP2500724Y2 JP2500724Y2 JP40020390U JP40020390U JP2500724Y2 JP 2500724 Y2 JP2500724 Y2 JP 2500724Y2 JP 40020390 U JP40020390 U JP 40020390U JP 40020390 U JP40020390 U JP 40020390U JP 2500724 Y2 JP2500724 Y2 JP 2500724Y2
- Authority
- JP
- Japan
- Prior art keywords
- refrigerator
- stage cold
- pulse tube
- reciprocating
- heat
- 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.)
- Expired - Lifetime
Links
- 230000017525 heat dissipation Effects 0.000 claims description 9
- 238000009835 boiling Methods 0.000 claims description 6
- 239000007789 gas Substances 0.000 description 48
- 239000001307 helium Substances 0.000 description 15
- 229910052734 helium Inorganic materials 0.000 description 15
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 15
- 239000002184 metal Substances 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000001771 impaired effect Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- 238000005057 refrigeration Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000007710 freezing Methods 0.000 description 2
- 230000008014 freezing Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 230000033001 locomotion Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP40020390U JP2500724Y2 (ja) | 1990-12-07 | 1990-12-07 | 極低温冷凍機 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP40020390U JP2500724Y2 (ja) | 1990-12-07 | 1990-12-07 | 極低温冷凍機 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0490861U JPH0490861U (https=) | 1992-08-07 |
| JP2500724Y2 true JP2500724Y2 (ja) | 1996-06-12 |
Family
ID=31878483
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP40020390U Expired - Lifetime JP2500724Y2 (ja) | 1990-12-07 | 1990-12-07 | 極低温冷凍機 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2500724Y2 (https=) |
-
1990
- 1990-12-07 JP JP40020390U patent/JP2500724Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0490861U (https=) | 1992-08-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 19960130 |