JPS4825207A - - Google Patents
Info
- Publication number
- JPS4825207A JPS4825207A JP7548772A JP7548772A JPS4825207A JP S4825207 A JPS4825207 A JP S4825207A JP 7548772 A JP7548772 A JP 7548772A JP 7548772 A JP7548772 A JP 7548772A JP S4825207 A JPS4825207 A JP S4825207A
- Authority
- JP
- Japan
- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C23/00—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids
- F04C23/005—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids of dissimilar working principle
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D23/00—Other rotary non-positive-displacement pumps
- F04D23/008—Regenerative pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/16—Combinations of two or more pumps ; Producing two or more separate gas flows
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/582—Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid pumps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19712138383 DE2138383A1 (de) | 1971-07-31 | 1971-07-31 | Pumpenaggregat zur mehrstufigen verdichtung von gasen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4825207A true JPS4825207A (OSRAM) | 1973-04-02 |
Family
ID=5815408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7548772A Pending JPS4825207A (OSRAM) | 1971-07-31 | 1972-07-27 |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS4825207A (OSRAM) |
| DE (1) | DE2138383A1 (OSRAM) |
| FR (1) | FR2149128A5 (OSRAM) |
| GB (1) | GB1355727A (OSRAM) |
| IT (1) | IT963477B (OSRAM) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2430314C3 (de) * | 1974-06-24 | 1982-11-25 | Siemens AG, 1000 Berlin und 8000 München | Flüssigkeitsring-Vakuumpumpe mit vorgeschaltetem Verdichter |
| FR2553835B1 (fr) * | 1983-10-25 | 1986-02-28 | Bertin & Cie | Machine de compression d'un fluide, a plusieurs etages de compression en serie |
| DE8807064U1 (de) * | 1988-05-30 | 1989-09-28 | Siemens AG, 1000 Berlin und 8000 München | Seitenkanalverdichter |
| EP0347706B1 (de) * | 1988-06-24 | 1992-04-15 | Siemens Aktiengesellschaft | Mehrstufiges Vakuumpumpenaggregat |
| DE10108631B4 (de) * | 2001-02-22 | 2005-06-30 | Nash-Elmo Industries Gmbh | Vakuumpumpenanlage und Verfahren zur Erzeugung eines Endvakuums |
| DE10134138A1 (de) * | 2001-07-13 | 2003-02-06 | Oranienburger Pumpen Verdichte | Fluidmaschine mit zumindest zwei zusammengeschalteten Maschinen, insbesondere Verdichter, Gebläse, Pumpen u. dgl. |
| CN114458583B (zh) * | 2020-11-09 | 2026-01-06 | 上海海立电器有限公司 | 一种滚动转子式及离心式复合压缩机 |
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1971
- 1971-07-31 DE DE19712138383 patent/DE2138383A1/de active Pending
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1972
- 1972-07-21 GB GB3436872A patent/GB1355727A/en not_active Expired
- 1972-07-27 JP JP7548772A patent/JPS4825207A/ja active Pending
- 1972-07-27 FR FR7227172A patent/FR2149128A5/fr not_active Expired
- 1972-07-28 IT IT2756372A patent/IT963477B/it active
Also Published As
| Publication number | Publication date |
|---|---|
| GB1355727A (en) | 1974-06-05 |
| FR2149128A5 (OSRAM) | 1973-03-23 |
| IT963477B (it) | 1974-01-10 |
| DE2138383A1 (de) | 1973-02-08 |