GB1556643A - Oil sealed vacuum pump - Google Patents
Oil sealed vacuum pumpInfo
- Publication number
- GB1556643A GB1556643A GB8600/78A GB860078A GB1556643A GB 1556643 A GB1556643 A GB 1556643A GB 8600/78 A GB8600/78 A GB 8600/78A GB 860078 A GB860078 A GB 860078A GB 1556643 A GB1556643 A GB 1556643A
- Authority
- GB
- United Kingdom
- Prior art keywords
- vacuum pump
- sealed vacuum
- oil sealed
- oil
- pump
- 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
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
- F04C29/12—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
- F04C29/124—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet with inlet and outlet valves specially adapted for rotary or oscillating piston pumps
- F04C29/126—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet with inlet and outlet valves specially adapted for rotary or oscillating piston pumps of the non-return type
-
- 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
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/30—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
- F04C18/34—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members
- F04C18/344—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member
- F04C18/3441—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member the inner and outer member being in contact along one line or continuous surface substantially parallel to the axis of rotation
-
- 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
- F04C25/00—Adaptations of pumps for special use of pumps for elastic fluids
- F04C25/02—Adaptations of pumps for special use of pumps for elastic fluids for producing high vacuum
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7707036A FR2383335A1 (fr) | 1977-03-08 | 1977-03-08 | Pompe mecanique a joint d'huile |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1556643A true GB1556643A (en) | 1979-11-28 |
Family
ID=9187851
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB8600/78A Expired GB1556643A (en) | 1977-03-08 | 1978-03-03 | Oil sealed vacuum pump |
Country Status (4)
Country | Link |
---|---|
DE (1) | DE2755328A1 (it) |
FR (1) | FR2383335A1 (it) |
GB (1) | GB1556643A (it) |
IT (1) | IT1091852B (it) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2007006666A1 (de) * | 2005-07-07 | 2007-01-18 | Oerlikon Leybold Vacuum Gmbh | Vakuum-drehschieberpumpe |
CN100387847C (zh) * | 2003-12-12 | 2008-05-14 | 乐金电子(天津)电器有限公司 | 涡旋式压缩机的气体逆流防止装置 |
EP3470678A1 (en) | 2017-10-13 | 2019-04-17 | D.V.P. Vacuum Technology S.r.l. | Lubricated vacuum pump |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2904686A1 (de) * | 1979-02-08 | 1980-08-14 | Volkswagenwerk Ag | Oelgeschmierte vakuumpumpe mit einem im bereich ihrer ansaugoeffnung angeordneten oelabscheider |
DE3150033A1 (de) * | 1981-12-17 | 1983-07-14 | Leybold-Heraeus GmbH, 5000 Köln | Vakuumpumpe mit einem saugstutzen-ventil und betriebsverfahren dafuer |
DE3336128A1 (de) * | 1982-10-08 | 1984-04-12 | Barmag Barmer Maschf | Vakuumpumpe |
IT1174249B (it) * | 1984-07-05 | 1987-07-01 | Gnutti Carlo & Figli Spa Off | Gruppo compressore per la produzione di aria compressa |
JPS6412092A (en) * | 1987-07-01 | 1989-01-17 | Kobe Steel Ltd | Vacuum pump of screw type |
DE4208194A1 (de) * | 1992-03-14 | 1993-09-16 | Leybold Ag | Verfahren zum betrieb einer oelgedichteten vakuumpumpe sowie fuer die durchfuehrung dieses verfahrens geeignete vakuumpumpe |
DE202012002881U1 (de) * | 2012-03-22 | 2013-06-25 | Oerlikon Leybold Vacuum Gmbh | Vakuum-Drehschieberpumpe |
DE102013210854A1 (de) * | 2013-06-11 | 2014-12-11 | Oerlikon Leybold Vacuum Gmbh | Vakuumpumpe sowie Verfahren zum Betreiben einer Vakuumpumpe |
JP2018178846A (ja) * | 2017-04-12 | 2018-11-15 | 株式会社荏原製作所 | 真空ポンプ装置の運転制御装置、及び運転制御方法 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE567479C (de) * | 1933-01-04 | Oerlikon Maschf | Vakuumabschlussvorrichtung fuer in OEl laufende Drehkolben-Vakuumpumpen | |
FR1200604A (fr) * | 1957-07-24 | 1959-12-23 | Leybolds Nachfolger E | Pompe rotative à vide |
FR1219478A (fr) * | 1958-05-30 | 1960-05-18 | Heraeus Gmbh W C | Pompe à vide avec dispositif à ballast gazeux |
DE1123076B (de) * | 1959-04-18 | 1962-02-01 | Leybolds Nachfolger E | Rotierende mechanische Vakuumpumpe |
GB1336873A (en) * | 1970-01-31 | 1973-11-14 | Gen Eng Radcliffe | Vacuum pumps |
-
1977
- 1977-03-08 FR FR7707036A patent/FR2383335A1/fr active Granted
- 1977-12-12 DE DE19772755328 patent/DE2755328A1/de not_active Withdrawn
-
1978
- 1978-01-05 IT IT19043/78A patent/IT1091852B/it active
- 1978-03-03 GB GB8600/78A patent/GB1556643A/en not_active Expired
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100387847C (zh) * | 2003-12-12 | 2008-05-14 | 乐金电子(天津)电器有限公司 | 涡旋式压缩机的气体逆流防止装置 |
WO2007006666A1 (de) * | 2005-07-07 | 2007-01-18 | Oerlikon Leybold Vacuum Gmbh | Vakuum-drehschieberpumpe |
CN101203677B (zh) * | 2005-07-07 | 2011-04-06 | 厄利孔莱博尔德真空技术有限责任公司 | 旋转式真空泵 |
US8469684B2 (en) | 2005-07-07 | 2013-06-25 | Oerlikon Leybold Vacuum Gmbh | Rotary vacuum pump with a discharge compensating channel |
US9017051B2 (en) | 2005-07-07 | 2015-04-28 | Oerlikon Leybold Vacuum Gmbh | Rotary vacuum pump with a discharge compensating channel |
EP3470678A1 (en) | 2017-10-13 | 2019-04-17 | D.V.P. Vacuum Technology S.r.l. | Lubricated vacuum pump |
Also Published As
Publication number | Publication date |
---|---|
FR2383335B1 (it) | 1982-07-09 |
FR2383335A1 (fr) | 1978-10-06 |
DE2755328A1 (de) | 1978-09-14 |
IT1091852B (it) | 1985-07-06 |
IT7819043A0 (it) | 1978-01-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
PCNP | Patent ceased through non-payment of renewal fee |