SU1586328A1 - Multi-stage steam-jet vacuum pump - Google Patents
Multi-stage steam-jet vacuum pumpInfo
- Publication number
- SU1586328A1 SU1586328A1 SU4620851/29A SU4620851A SU1586328A1 SU 1586328 A1 SU1586328 A1 SU 1586328A1 SU 4620851/29 A SU4620851/29 A SU 4620851/29A SU 4620851 A SU4620851 A SU 4620851A SU 1586328 A1 SU1586328 A1 SU 1586328A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- working fluid
- oil
- vapors
- gas
- pump
- Prior art date
Links
Landscapes
- Jet Pumps And Other Pumps (AREA)
Abstract
FIELD: vacuum engineering. SUBSTANCE: vapors of working fluid (vacuum oil) formed in evaporator 6 after switching on heater 7 interact with gas being evacuated while passing through vapor line 4 and escaping from umbrella-shaped nozzles 5, thus imparting additional velocity in direction of evacuation to molecules of this gas. Working fluid condenses on cooled parts of housing 1 and returns to evaporator 6 over circular insert 8 fitted in area of first stage and cylindrical shell 9 between which heat-insulating gasket 10 is laid. As a result, working fluid is degassed. After last stage, gas is evacuated by means of roughing-down pump and vapors of working fluid are condensed in branch pipe 2 wherefrom condensate enters circular oil receiver 11 and then flows to taper bell mouth 13 through chute 12. Bell mouth 13 provides for even distribution of oil over outer surface of shell 9, thus decreasing its temperature at excessive heating from lower stages of pump. Provision is made for self-control of evacuation procedure due to which effective degassing of oil is ensured and characteristics of steam-jet pump are improved. EFFECT: increased output, reduction of limiting residual pressure and reduction of return flow of working fluid vapors. 1 dwg
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU4620851/29A SU1586328A1 (en) | 1988-12-19 | 1988-12-19 | Multi-stage steam-jet vacuum pump |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU4620851/29A SU1586328A1 (en) | 1988-12-19 | 1988-12-19 | Multi-stage steam-jet vacuum pump |
Publications (1)
Publication Number | Publication Date |
---|---|
SU1586328A1 true SU1586328A1 (en) | 1996-07-10 |
Family
ID=60527633
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU4620851/29A SU1586328A1 (en) | 1988-12-19 | 1988-12-19 | Multi-stage steam-jet vacuum pump |
Country Status (1)
Country | Link |
---|---|
SU (1) | SU1586328A1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2762928C1 (en) * | 2020-10-01 | 2021-12-23 | Федеральное государственное бюджетное учреждение науки Институт теплофизики им. С.С. Кутателадзе Сибирского отделения Российской академии наук | Diffusion vacuum pump |
RU2786535C1 (en) * | 2022-04-07 | 2022-12-21 | Федеральное Государственное Бюджетное Образовательное Учреждение Высшего Образования "Новосибирский Государственный Технический Университет" | Diffusion pump |
-
1988
- 1988-12-19 SU SU4620851/29A patent/SU1586328A1/en active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2762928C1 (en) * | 2020-10-01 | 2021-12-23 | Федеральное государственное бюджетное учреждение науки Институт теплофизики им. С.С. Кутателадзе Сибирского отделения Российской академии наук | Diffusion vacuum pump |
RU2786535C1 (en) * | 2022-04-07 | 2022-12-21 | Федеральное Государственное Бюджетное Образовательное Учреждение Высшего Образования "Новосибирский Государственный Технический Университет" | Diffusion pump |
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