DE2755328A1 - Oelgedichtete vakuumpumpe - Google Patents

Oelgedichtete vakuumpumpe

Info

Publication number
DE2755328A1
DE2755328A1 DE19772755328 DE2755328A DE2755328A1 DE 2755328 A1 DE2755328 A1 DE 2755328A1 DE 19772755328 DE19772755328 DE 19772755328 DE 2755328 A DE2755328 A DE 2755328A DE 2755328 A1 DE2755328 A1 DE 2755328A1
Authority
DE
Germany
Prior art keywords
valve
pump
inlet
oil
vacuum 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.)
Withdrawn
Application number
DE19772755328
Other languages
German (de)
English (en)
Inventor
Nichtnennung Beantragt
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Leybold Heraeus Sogev SA
Original Assignee
Leybold Heraeus Sogev SA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Leybold Heraeus Sogev SA filed Critical Leybold Heraeus Sogev SA
Publication of DE2755328A1 publication Critical patent/DE2755328A1/de
Withdrawn legal-status Critical Current

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)
DE19772755328 1977-03-08 1977-12-12 Oelgedichtete vakuumpumpe Withdrawn DE2755328A1 (de)

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
DE2755328A1 true DE2755328A1 (de) 1978-09-14

Family

ID=9187851

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19772755328 Withdrawn DE2755328A1 (de) 1977-03-08 1977-12-12 Oelgedichtete vakuumpumpe

Country Status (4)

Country Link
DE (1) DE2755328A1 (it)
FR (1) FR2383335A1 (it)
GB (1) GB1556643A (it)
IT (1) IT1091852B (it)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4360326A (en) * 1979-02-08 1982-11-23 Volkswagenwerk Ag Oil lubricated vacuum pump including an oil separator disposed adjacent of its suction opening
EP0084085A1 (de) * 1981-12-17 1983-07-27 Leybold-Heraeus GmbH Vakuumpumpe mit einem Saugstutzen-Ventil und Betriebsverfahren dafür
DE3336128A1 (de) * 1982-10-08 1984-04-12 Barmag Barmer Maschf Vakuumpumpe
US4808095A (en) * 1987-07-01 1989-02-28 Kabushiki Kaisha Kobe Seiko Sho Screw vacuum pump
DE4208194A1 (de) * 1992-03-14 1993-09-16 Leybold Ag Verfahren zum betrieb einer oelgedichteten vakuumpumpe sowie fuer die durchfuehrung dieses verfahrens geeignete vakuumpumpe
US8469684B2 (en) 2005-07-07 2013-06-25 Oerlikon Leybold Vacuum Gmbh Rotary vacuum pump with a discharge compensating channel
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
CN108691769A (zh) * 2017-04-12 2018-10-23 株式会社荏原制作所 真空泵装置及用于真空泵装置的运转控制方法

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1174249B (it) * 1984-07-05 1987-07-01 Gnutti Carlo & Figli Spa Off Gruppo compressore per la produzione di aria compressa
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
IT201700115881A1 (it) 2017-10-13 2019-04-13 D V P Vacuum Tech S P A Pompa per il vuoto lubrificata

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE567479C (de) * 1933-01-04 Oerlikon Maschf Vakuumabschlussvorrichtung fuer in OEl laufende Drehkolben-Vakuumpumpen
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

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE567479C (de) * 1933-01-04 Oerlikon Maschf Vakuumabschlussvorrichtung fuer in OEl laufende Drehkolben-Vakuumpumpen
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

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4360326A (en) * 1979-02-08 1982-11-23 Volkswagenwerk Ag Oil lubricated vacuum pump including an oil separator disposed adjacent of its suction opening
EP0084085A1 (de) * 1981-12-17 1983-07-27 Leybold-Heraeus GmbH Vakuumpumpe mit einem Saugstutzen-Ventil und Betriebsverfahren dafür
DE3336128A1 (de) * 1982-10-08 1984-04-12 Barmag Barmer Maschf Vakuumpumpe
US4808095A (en) * 1987-07-01 1989-02-28 Kabushiki Kaisha Kobe Seiko Sho Screw vacuum pump
DE4208194A1 (de) * 1992-03-14 1993-09-16 Leybold Ag Verfahren zum betrieb einer oelgedichteten vakuumpumpe sowie fuer die durchfuehrung dieses verfahrens geeignete vakuumpumpe
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
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
CN108691769A (zh) * 2017-04-12 2018-10-23 株式会社荏原制作所 真空泵装置及用于真空泵装置的运转控制方法
CN108691769B (zh) * 2017-04-12 2021-11-02 株式会社荏原制作所 真空泵装置及用于真空泵装置的运转控制方法

Also Published As

Publication number Publication date
GB1556643A (en) 1979-11-28
FR2383335B1 (it) 1982-07-09
FR2383335A1 (fr) 1978-10-06
IT1091852B (it) 1985-07-06
IT7819043A0 (it) 1978-01-05

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Legal Events

Date Code Title Description
OAM Search report available
OC Search report available
OD Request for examination
8139 Disposal/non-payment of the annual fee