DE3865009D1 - Mehrstufige vakuumpumpe. - Google Patents
Mehrstufige vakuumpumpe.Info
- Publication number
- DE3865009D1 DE3865009D1 DE8888117706T DE3865009T DE3865009D1 DE 3865009 D1 DE3865009 D1 DE 3865009D1 DE 8888117706 T DE8888117706 T DE 8888117706T DE 3865009 T DE3865009 T DE 3865009T DE 3865009 D1 DE3865009 D1 DE 3865009D1
- Authority
- DE
- Germany
- Prior art keywords
- vacuum pump
- stage vacuum
- stage
- pump
- vacuum
- 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 - Fee Related
Links
Classifications
-
- 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
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/0092—Removing solid or liquid contaminants from the gas under pumping, e.g. by filtering or deposition; Purging; Scrubbing; Cleaning
-
- 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
- F04C23/001—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 similar working principle
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP88102986 | 1988-02-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3865009D1 true DE3865009D1 (de) | 1991-10-24 |
Family
ID=8198761
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8888117706T Expired - Fee Related DE3865009D1 (de) | 1988-02-29 | 1988-10-25 | Mehrstufige vakuumpumpe. |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0332741B1 (de) |
DE (1) | DE3865009D1 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2537696B2 (ja) * | 1990-09-21 | 1996-09-25 | 株式会社荏原製作所 | 多段真空ポンプ |
GB9902083D0 (en) * | 1999-01-29 | 1999-03-24 | Boc Group Plc | Vacuum pump systems |
DE10019066A1 (de) | 2000-04-18 | 2001-10-25 | Leybold Vakuum Gmbh | Vakuumpumpe mit zwei zusammenwirkenden Rotoren |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1854318A (en) * | 1926-06-17 | 1932-04-19 | Westinghouse Electric & Mfg Co | Compressor |
US1626484A (en) * | 1926-11-24 | 1927-04-26 | James Mccaffrey R | Pump |
GB315365A (de) * | 1928-07-12 | 1930-02-06 | Gebrueder Ludwig | |
GB531798A (en) * | 1939-08-02 | 1941-01-10 | Siemens Brothers & Co Ltd | Improvements in or relating to electrical filter networks |
FR1120279A (fr) * | 1955-01-24 | 1956-07-03 | Groupe compresseur hermétique | |
DE2158866A1 (de) * | 1971-11-27 | 1973-05-30 | Engstfeld Wilh Fa | Vorrichtung zum entgasen von metallschmelzen |
DE2158868B2 (de) * | 1971-11-27 | 1975-12-04 | Gebr. Claas, 4834 Harsewinkel | Maschine zum Zerkleinern von sperrigen Abfällen |
US3837764A (en) * | 1972-05-11 | 1974-09-24 | Robinair Mfg Corp | Multi-stage rotary vacuum pump with separate oil reservoir |
DE2503020A1 (de) * | 1975-01-25 | 1976-07-29 | Wikotool Syst Tech Maschbau | Drehkolbenmaschine sowie verfahren zu ihrer herstellung |
-
1988
- 1988-10-25 EP EP88117706A patent/EP0332741B1/de not_active Expired - Lifetime
- 1988-10-25 DE DE8888117706T patent/DE3865009D1/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0332741A1 (de) | 1989-09-20 |
EP0332741B1 (de) | 1991-09-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |