SU597703A1 - Working substance for low-temperature arrangements - Google Patents
Working substance for low-temperature arrangementsInfo
- Publication number
- SU597703A1 SU597703A1 SU752148720A SU2148720A SU597703A1 SU 597703 A1 SU597703 A1 SU 597703A1 SU 752148720 A SU752148720 A SU 752148720A SU 2148720 A SU2148720 A SU 2148720A SU 597703 A1 SU597703 A1 SU 597703A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- low
- working substance
- temperature arrangements
- temperature
- arrangements
- Prior art date
Links
- 239000000126 substance Substances 0.000 title description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 4
- 229910021529 ammonia Inorganic materials 0.000 description 2
- VOPWNXZWBYDODV-UHFFFAOYSA-N Chlorodifluoromethane Chemical compound FC(F)Cl VOPWNXZWBYDODV-UHFFFAOYSA-N 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011089 mechanical engineering Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Description
ФF
ормупа изобретениinventions
Рабочее вещество дл ниэкстемпературных установок на освове аммиака, кшшщее при посто нной температуре и и нормальном давленнн, отличающеес тем, что, с целью понижени температуры кипени и снижени стоимости, оно дополнительно содержит фреон 22 приThe working substance for low-temperature installations on ammonia oksov, kshshshuyu at a constant temperature and normal pressure, characterized in that, in order to reduce the boiling point and reduce the cost, it additionally contains freon 22 at
следующем соотношении компонентов,the following ratio of components
вес. Ь: аммиак 5/)-95, фреонг22 - остальное .weight. B: ammonia 5 /) - 95, freong22 - the rest.
Источники информации, прин тые во внимание ПРИ экспертизе:Sources of information taken into account during the examination:
1.Данилова Г. Н. и др. Теплообменные аппараты холодильных установок. Л., Машиностроение, 1973, с. 264-265.1. Danilova G. N. and others. Heat exchangers of refrigeration units. L., Mechanical Engineering, 1973, p. 264-265.
2.Авторское свидетельство № 286962, кл. С О9К 3/09.2. Certificate of author No. 286962, cl. From O9K 3/09.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU752148720A SU597703A1 (en) | 1975-06-27 | 1975-06-27 | Working substance for low-temperature arrangements |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU752148720A SU597703A1 (en) | 1975-06-27 | 1975-06-27 | Working substance for low-temperature arrangements |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU597703A1 true SU597703A1 (en) | 1978-03-15 |
Family
ID=20624180
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU752148720A SU597703A1 (en) | 1975-06-27 | 1975-06-27 | Working substance for low-temperature arrangements |
Country Status (1)
| Country | Link |
|---|---|
| SU (1) | SU597703A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5387357A (en) * | 1992-09-25 | 1995-02-07 | E. I. Du Pont De Nemours And Company | Azeotropic or azeotrope-like compositions of ammonia and hydrofluorocarbons |
-
1975
- 1975-06-27 SU SU752148720A patent/SU597703A1/en active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5387357A (en) * | 1992-09-25 | 1995-02-07 | E. I. Du Pont De Nemours And Company | Azeotropic or azeotrope-like compositions of ammonia and hydrofluorocarbons |
| US5700388A (en) * | 1992-09-25 | 1997-12-23 | E. I. Du Pont De Nemours And Company | Azeotropic or azeotrope-like compositions of ammonia and tetrafluoroethane |
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