CH420470A - Pompe à vide rotative à joint d'huile - Google Patents

Pompe à vide rotative à joint d'huile

Info

Publication number
CH420470A
CH420470A CH878362A CH878362A CH420470A CH 420470 A CH420470 A CH 420470A CH 878362 A CH878362 A CH 878362A CH 878362 A CH878362 A CH 878362A CH 420470 A CH420470 A CH 420470A
Authority
CH
Switzerland
Prior art keywords
vacuum pump
oil seal
rotary vacuum
seal rotary
oil
Prior art date
Application number
CH878362A
Other languages
English (en)
Inventor
Philippe Maurice Louis
Original Assignee
Alsacienne D Electronique Et D
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 Alsacienne D Electronique Et D filed Critical Alsacienne D Electronique Et D
Publication of CH420470A publication Critical patent/CH420470A/fr

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
    • F04C27/00—Sealing arrangements in rotary-piston pumps specially adapted for elastic fluids
    • F04C27/02—Liquid sealing for high-vacuum pumps or for compressors
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
CH878362A 1961-08-01 1962-07-23 Pompe à vide rotative à joint d'huile CH420470A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR869758A FR1305485A (fr) 1961-08-01 1961-08-01 Perfectionnement aux pompes à vide rotatives, à joint d'huile et à plusieurs étages

Publications (1)

Publication Number Publication Date
CH420470A true CH420470A (fr) 1966-09-15

Family

ID=8760542

Family Applications (1)

Application Number Title Priority Date Filing Date
CH878362A CH420470A (fr) 1961-08-01 1962-07-23 Pompe à vide rotative à joint d'huile

Country Status (4)

Country Link
CH (1) CH420470A (fr)
DE (1) DE1428237A1 (fr)
FR (1) FR1305485A (fr)
GB (1) GB978475A (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4662826A (en) * 1984-04-20 1987-05-05 Tokico Ltd. Vacuum pump system including serially connected rotary and reciprocating vacuum pumps
DE4219268C2 (de) * 1992-06-12 1994-06-09 Ardenne Anlagentech Gmbh Anordnung zur Vakuumerzeugung
DE102004016237A1 (de) * 2004-04-02 2005-10-20 Leybold Vakuum Gmbh Zwei-Wellen-Vakuumpumpe
DE102009017452B4 (de) * 2009-04-07 2011-03-03 Joma-Polytec Gmbh Ölförderpumpe
WO2016168057A1 (fr) * 2015-04-13 2016-10-20 Carrier Corporation Compresseur à corps à deux étages

Also Published As

Publication number Publication date
DE1428237A1 (de) 1968-11-28
FR1305485A (fr) 1962-10-05
GB978475A (en) 1964-12-23

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